Home Company Profile Products Contact Us Enquiry  
»
» Polyols
Polyols


1-Hydroxy Ethylidene-1,1-Diphosphoric Acid (HEDP)
1-Hydroxy Ethylidene-1,1-Diphosphoric Acid (HEDP) CAS Number 2809-21-4 Appearance Colorless or light yellow transparent liquid Assay 58.0-62.0 pH 2 max Iron content 10 max Colour (APHA) 40 max Colour (HAZEN) 40 max Density 1.4 20C)g/cm3 Chloride 0.01 max Packing 250 kgs Use Used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid. Storage :- Storage for ten months in room shady and dry place. Phosphoric acid (as PO43)% :- 2.0 max Organic phosphonic acid (as PO43) % :- 0.8 max
  Send Your Enquiry  
 
Product Code: # 03 Product Price:   
 
   


2,4 Dichloro-5-Fluoro Acetophenone
2,4 Dichloro-5-Fluoro Acetophenone CAS Number 704-10-9 Appearance Almost white solid Assay 99.5% Min. Melting point 33-36C Boiling point 125C @1.5 torr Molecular weight 207.03 Moisture 0.5% Max. Packing HM HDPE Drum, 50kg net Use Pharma intermediate for ciprofloxacin Storage Store in tightly closed sealed container in a cool and dry place.
  Send Your Enquiry  
 
Product Code: # 05 Product Price:   
 
   


2,4 Dichloro-5-Fluorobenzene
2,4-Dichloro Fluorobenzene CAS Number 1435-48-9 Appearance Clear liquid colorless to yellow Assay 99.5% Min. Solubiliy Insoluble in water Melting point 0 C Boiling point 172-174 C Molecular weight 164.9 Flash point 36 C Density 1.409 @ 20C Moisture 0.5% Max. Other impurities 0.5% Max. Packing HM HDPE Drum, 200 kg net Use Pharma intermediate and Agro Intermediate Storage Store in tightly closed container in a cool and dry place. Keep away from Sun/heat, spark, flame. Use proof tools and explosion proof equipement. No smoking
  Send Your Enquiry  
 
Product Code: # 06 Product Price:   
 
   


2-(thiocyanatomethylthio)benzothiazole (TCMTB)
2-(thiocyanatomethylthio)benzothiazole (TCMTB) CAS Number :- 21564-17-0 Appearance :- Yello Liquid Assay :- ≥ 80%, 60%, 30% Odour :- Faint Flash point 189C Packing :- 25 kgs Use :- Suitable formulations of TCMTB have been developed to control all aspects of algal, fungal and bacterial contamination in the neutral/alkali paper and board making manufacturing processes. Industrial Cooling Water Treatment: Using a combination of TCMTB and other active ingredients has proven effective in the treatment of industrial process waters. Paints and Coatings Formulation:TCMTB is an effective biocide for surface coatings, giving both in-can and film protection. Storage :- Store it in cool,dry and ventilative. Keep away from incompatiblesustance.it can not bestored together withfood and feedstuf. Others :- Organic impregnan
  Send Your Enquiry  
 
Product Code: # 04 Product Price:   
 
   


2-Bromobutane
2-Bromobutane CAS Number 78-76-2 Appearance Colourless to pale yellow liquid Assay Min. 98.00 Moisture Max. 0.10 Use Used as a solvent, also used in organic synthesis Storage Store in a segregated and approved area. Keep container in a cool, well ventilated area. Keep container tightly closed and sealed until ready for use. Avoid all possible sources of ignition (spark or flame)
  Send Your Enquiry  
 
Product Code: # 07 Product Price:   
 
   


2-Bromobutyric Acid
2-Bromobutyric Acid CAS Number 80-58-0 Appearance Clear yellow liquid Solubiliy Water solubility 66 g/L (20 C) Melting point -4 C Use Primarily as an intermediate in the Pharmaceutical and other Fine Chemical Industries. Storage Store away from oxidising agents. Store away from strong bases. Keep container tightly sealed. Store in cool dry condition in well sealed containers
  Send Your Enquiry  
 
Product Code: # 08 Product Price:   
 
   


2-Fluoro Aniline
2-Fluoro Aniline CAS Number 348-54-9 Appearance Pale yellow liquid. It turns darkish brown on storage Assay 99.5% Min. Isomers (Meta + para) :- 0.2% Max Solubiliy 17 gm / lit in water @ 20 C Melting point -29 C Boiling point 182-183 C Molecular weight 111.13 Flash point 60 C Auto Ignition >600 C Density 1.151 @ 20 C Vap.pr. 1 hPa @ 20 C Moisture 0.5% Max. Packing HM HDPE Drum, 200 kg net Use Pharma : Intermediate for Brequinar , Flubriprofen, Ocfentanil, Briefentanil, Effeleterizine Storage Store in tightly closed container . Store in cool and dry.
  Send Your Enquiry  
 
Product Code: # 09 Product Price:   
 
   


2-Fluoro Benzaldehyde
2-Fluoro Benzaldehyde CAS Number 446-52-6 Appearance Clear light brown to colorless liquid . Assay 99.00% Min. O fluoro toluene 0.5% Max. O fluoro benzyl chloride 0.5% Max. Solubiliy Insoluble Melting point -44.5 C Boiling point 172-174 C Molecular weight 124.11 Flash point 55 C Density 1.17 @ 20C Moisture 0.5% Max. Packing HM HDPE Drum Use Pharma Intermediate,Agro Intermediate Storage Store in cool and dry place. Keep away from Sun/ heat/ spark/ flame. Use spark proof tools and explosion proof equipment. No smoking.
  Send Your Enquiry  
 
Product Code: # 10 Product Price: $  
 
   


2-Fluoro Benzyl Chloride
2-Fluoro Benzyl Chloride CAS Number 345-35-7 Appearance Clear colorless to light yellow liquid Assay 99.5% Min. O fluoro toluene 0.5% Max. Solubiliy Immiscible with water Boiling point 86 C @40 mmHg Molecular weight 144.56 Flash point 57 C Density 1.216 @ 20C Moisture 0.5% Max. Packing HM HDPE Drum Use Pharma Intermediate ,Agro Intermediate Storage Store in cool and dry place. Keep away from Sun/ heat/ spark/ flame. Use spark proof tools and explosion proof equipment. No smoking.
  Send Your Enquiry  
 
Product Code: # 11 Product Price:   
 
   


2-Fluoro Nitrobenzene
2-Fluoro Nitrobenzene CAS Number 1493-27-2 Appearance Clear yellow brown liquid Assay 99.00% Min. Isomer 0.5% Max. Solubiliy Insoluble Melting point -9 to -6 C Boiling point 105/108 C ( 18 mmHg) Molecular weight 141.09 Flash point 94 C Density 1.335 @ 20 C Moisture 0.5% Max. Packing HM HDPE Drum, 200 kg net Use Pharma Intermediate, Agro intermediate Storage Store in cool and dry place. Keep away from Sun/heat spark/flame. Use spark proof tools and explosion proof equipements. No smoking.
  Send Your Enquiry  
 
Product Code: # 12 Product Price:   
 
   


2-Fluoro Phenol
2-Fluoro Phenol CAS Number 367-12-4 Appearance Clear liquid yellow to brownish in colour Assay 99.00% Min. Isomer 0.5% Max. Solubiliy Miscible in water Melting point 16.1 C Boiling point 171-172 @ 741 torr Molecular weight 112.10 Flash point 46 C Density 1.256 @ 20 C Moisture 0.1% Max. Packing HM HDPE Drum, 200 kg net Use Pharma Intermediate, Agro Intermediate Storage Store in cool dry place away from source of ignition. No smoking
  Send Your Enquiry  
 
Product Code: # 13 Product Price:   
 
   


2-Fluoro Toluene
2-Fluoro Toluene CAS Number 95-52-3 Appearance Clear light yellow to colorless liquid Assay 99.00% Min. Isomer 0.5% Max. Ortho toludine 0.1% Max. Solubiliy Immiscible in water Melting point -62 C Boiling point 113-114 C Molecular weight 110.14 Flash point 8 C Density 1.001 @ 20C Vap.pr. 21 mmHg @ 20 C Moisture 0.5% Max. Packing HM HDPE Drum 200 kg net Use Pharma and Agro Intermediate Storage Store in cool and dry place. Keep away from Sun/ heat/ spark/ flame. Use spark proof tools and explosion proof equipment. No smoking.
  Send Your Enquiry  
 
Product Code: # 14 Product Price:   
 
   


2-Fluoro-4-bromo Biphenyl
2-Fluoro-4-bromo biphenyl CAS Number 41604-19-7 Appearance Pale Yellow Crystalline solid Assay 99.00% Min. Melting point 39-42 C Boiling point 175 C at 2mm Hg Molecular weight 251.11 Density 1.4 g/cc @ 20C Packing HM HDPE Drum Use Intermediate for Flurbiprofen Storage Store in cool and dry place.Keep away from Sun/heat,spark,flame
  Send Your Enquiry  
 
Product Code: # 15 Product Price: $  
 
   


4-Fluoro Benzaldehyde
4-Fluoro Benzaldehyde CAS Number - 459-57-4 Appearance - Clear, colorless- yellow liquid Assay - 99.5% Min. P fluoro benzyl chloride - 0.25% Max. Solubiliy - Immiscible with water Melting point -10 C Boiling point 181 C Molecular weight 124.11 Flash point 56 C Density 1.157 @ 20C Vap.pr. 19 hPa @ 70 C Moisture - 0.5% Max. Packing - HM HDPE Drum 200 kg net. Use - Pharma intermediate for. Atorvastatin, Symvastatin,Agro intermediate. Storage - Store in cool and dry place. Keep away from Sun/ heat/ spark/ flame. Use spark proof tools and explosion proof equipment. No smoking.
  Send Your Enquiry  
 
Product Code: # 17 Product Price:   
 
   


4-Fluoro Benzonitrile
4-Fluoro Benzonitrile CAS Number 1194-02-1 Appearance Solid, white Assay 99.5% Min. 2 chloro 5 fluoro toluene 0.5% Max. Melting point 33-36 C Boiling point 188 C @ 750 mmHg Molecular weight 121.11 Flash point 65 C Moisture 0.1% Max. Other impurities 0.1% Max. Packing HM HDPE drum of 50 kg capacity Use Pharma and Agro Intermediate Storage Store in tightly closed container in a cool and dry place.
  Send Your Enquiry  
 
Product Code: # 18 Product Price:   
 
   


4-Fluoro Benzyl Amine
4-Fluoro Benzyl Amine CAS Number - 140-75-0 Appearance - Clear colorless to yellowish liquid Assay - 99.00% Min. P fluoro benzyl chloride - 0.1% Max. P fluoro benzyl alcohol - 0.5% Max. 4-4 difluorodibenzylamine - 0.4% Max. Melting point - 0 C Boiling point - 183 C Molecular weight - 125.15 Flash point - 66 C Density - 1.095 @ 20C Moisture - 0.5% Max. Packing - - HM HDPE Drum 200 kg net Use - Pharma intermediate for Astemizole, Agro intermediate Storage - Store in a cool and dry place.
  Send Your Enquiry  
 
Product Code: # 19 Product Price:   
 
   


4-Fluoro Phenol
4-Fluoro Phenol CAS Number - 371-41-5 Appearance - Solid, off white, yellow Assay - 99.00% Min. Isomer - 0.5% Max. Melting point - 46 C Boiling point - 185 C Molecular weight - 112.10 Flash point - 68 C Moisture - 0.1% Max. Packing - HM HDPE Drum, 50 kg net Use - Pharma intermediate for Cizapride ,Agro intermediate Storage - Store in tightly closed container . Avoid physical contact, inhalation. Store in cool and dry place. Keep away from Sun/heat, spark, flame. Use - proof tools and explosion proof equipement. No Smoking
  Send Your Enquiry  
 
Product Code: # 21 Product Price: $  
 
   


4-Fluorobenzoic Acid
4-Fluorobenzoic acid CAS Number 456-22-4 Appearance White crystalline powder Assay 99.0% Min Solubiliy Soluble in hot water Melting point 182 - 184 C Molecular weight 140.11 Density 1.479 Packing 25 kgs in drum Use Fluorobenzoic Acid is used as an intermediate for pesticides and pharmaceuticals. Storage Store in a cool ,dry place. Keep container closed whennot in use.
  Send Your Enquiry  
 
Product Code: # 22 Product Price:   
 
   


5,5-Dimethyl Hydantoin(DMH)
5,5-Dimethyl hydantoin(DMH) CAS Number 77-71-4 Appearance White or offwhite crystalline powder Assay ≥99% Ash ≤ 0.1% Water 0.5% max Solubiliy Slightly soluble Melting point 175-178c Colour (APHA) 10 APHA max Loss on drying ≤ 0.5% Packing 25 kgs Use It is mainly used for synthetic halide hydantoin, hydantoin epoxide resin and hydantoin formal dehyde resin. If heated in water, it is also can be made to dimethyl glycien. It can be made organic chemical compound to killing insects Storage : Keep in cool and dry, avoid putting together with injurant for fear of pullution. Validity for two years Others : Chroma-≤5 Hazen
  Send Your Enquiry  
 
Product Code: # 24 Product Price:   
 
   


5-DiFluoro Methoxy 2 Mercapto Benzeimidazole
5-DiFluoro Methoxy 2 Mercapto Benzeimidazole CAS Number 97963-62-7 Appearance White Powder Assay 99.00% Min. Melting point 239 C Molecular weight 218 Packing HM HDPE Drum Use Pharma intermediate(Pantaprazole) Storage Store in cool and dry place.Keep away from Sun/heat,spark,flame. Ues spark proof tool and explosion proof equipment.No smoking
  Send Your Enquiry  
 
Product Code: # 25 Product Price: $  
 
   


6-methyl Coumarin
6-methyl coumarin CAS Number 92-48-8 Appearance White crystalline solid Solubiliy Insoluble in water Melting point 75 - 76C Molecular weight 160.17 Packing - 25kgs Use - It is used for the preparation of perfumes, soaps, flavorings.It forms a part of many imitation butter, caramel, coconut, Date, Fig, Root beer, Vanilla flavour, fruit complexes, nut compositions Storage : Store in a tightly closed container.Store in a cool, dry, well-ventilated area away from incompatible substances
  Send Your Enquiry  
 
Product Code: # 26 Product Price:   
 
   


Acetone
Acetone CAS Number - 67-64-1 Appearance - Clear, colorless, volatile liquid. Assay - 99% min. pH - 7 Specific Gravity 0.790 - 0.793 Solubiliy Soluble in water Boiling point 56 - 57 C Flash point -20 C Auto Ignition 465 C Use - Acetone cyanohydrin for methyl methacrylate, bisphenol-A, solvent uses, MIBK,MIBC, Others Storage - Store in a cool, dry well-ventilated location, away from any area where the fire hazard may be acute. Outside or detached storage is preferred. Separate from incompatibles.
  Send Your Enquiry  
 
Product Code: # 27 Product Price:   
 
   


ADIPIC ACID
Adipic acid CAS Number - 124-04-9 Appearance - white crystalline powder Assay - 99.5 % min Ash - 7 ppm max Colour (APHA) - 5 max Packing - 25kgs Use - Used in making target products such as flavoring agents, internal plasticizers, pesticides, dyes, textile treatment agents, fungicides, and pharmaceuticals Storage - Keep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above 25C Others - Nitrate 5 ppm max
  Send Your Enquiry  
 
Product Code: # 28 Product Price:   
 
   


Aldehyde C-18
Aldehyde C-18 CAS Number 104-61-0 Appearance Colourless to slightly yellow Assay 98% min. Specific Gravity 0.935 0.966 Molecular weight 156.22214 Refractive index 1.445 1.450 Density 0.956 0.06 g/cm3 Acidity 2 max Use Cosmetic perfuming agent Storage Store in tightly closed original container in a dry, cool and well-ventilated place. Protect from light, including direct sunrays.
  Send Your Enquiry  
 
Product Code: # 31 Product Price:   
 
   


BBI- Bis(benzene Sulphonyl)-imide
BBI- Bis(benzene sulphonyl)-imide CAS Number 2618-96-4 Appearance White powder Assay ≥87.0(UV) Solubiliy Slightly soluble in water,well soluble in alkaline solution Packing 50kg Use Assistant brightener in nickel bath Storage Stored in cool and dry place Phosphorous acid (as PO33)% 10-100mg/L
  Send Your Enquiry  
 
Product Code: # 39 Product Price: $  
 
   


Benzal Konium Chloride 50%
Benzal konium chloride 50% CAS Number 8001-54-5 Appearance Colourless to pale yellow liquid pH 6.0 8.0 (10% soln) Specific Gravity 0.950 1.000 Odour Aromatic Solubiliy Soluble Packing 50/200 kgs Use Widely used as a combination sanitiser-disinfectant for the Hospital, Livestock and Personal Hygiene sectors. Storage Store in a segregated and approved area. Keep container in a cool, well-ventilated area. Keep container tightly closed and sealed until ready for use.
  Send Your Enquiry  
 
Product Code: # 40 Product Price:   
 
   


Benzyl Alcohol
Benzyl alcohol CAS Number : 100-51-6 Appearance : Clear liquid Assay : 99.5% min. Specific Gravity : 1.043 - 1.049 Water : 0.1% max Solubiliy : Not more than 30 ml Boiling point : 205C Flash point : 100 C Refractive index : 1.5385 - 1.5405 Packing : 240kgs Use : Used as a chemical intermediate for synthesis of target molecules used in pharmaceuticals, cosmetics, preservatives, and flavoring & fragrance agents. Storage : Keep container in a cool, well-ventilated area. Keep container tightly closed and sealed until ready for use. Avoid all possible sources of ignition (spark or flame). Sensitive to light. Store in light-resistant containers. Others : Benzaldehyde: Not more than 0.05%
  Send Your Enquiry  
 
Product Code: # 43 Product Price:   
 
   


Benzyl Tributyl Ammonium Chloride
Benzyl tributyl ammonium chloride CAS Number : 23616-79-7 Appearance : White Crystalline Powder Assay : NLT 99 % Free amine : NMT 1.0 % Amine value : 5.0% max Solubiliy : Soluble in water Melting point : 160 - 164 C Acid value : 3.0% max Moisture NMT : 1.0% Use : As a phase transfer catalyst for various reactions. Storage : Keep container tightly closed. At +15 to 25C
  Send Your Enquiry  
 
Product Code: # 44 Product Price:   
 
   


Benzyl Triphenyl Phosphonium Chloride
Benzyl Triphenyl Phosphonium Chloride CAS Number : 1100-88-5 Appearance : White Crystalline Powder Assay : NLT 99 % Moisture NMT : 1.0% Use : Phase transfer catalyst;Catalyst in the production of epoxy resins; Catalyst in the production of powder coatings. Storage : Store in a cool, dry place. Store in a tightly closed container.
  Send Your Enquiry  
 
Product Code: # 45 Product Price:   
 
   


Biotech SPL CMT
Biotech SPL CMT Appearance : Colourless to pale yellow pH : 3.00 5.00 Specific Gravity : 1.030 1.080 Odour : Mild, characteristic Solubiliy : Soluble
  Send Your Enquiry  
 
Product Code: # 46 Product Price:   
 
   


Capric Acid
Capric acid CAS Number : 334-48-5 Appearance : Colourless transparent liquid Assay : 99.0% min. Specific Gravity : 0.893 (Water = 1) Solubiliy : Soluble in acetone.Very slightly soluble in methanol, diethyl ether, n-octanol.Insoluble in cold water. Melting point : 31C Boiling point : 269C Flash point : >395C Colour (APHA) : 100 APHA max. Packing : 180 kgs Use : Used in organic synthesis, manufacture of perfume, medicine, lubricating grease, rubber and dye. Storage : Keep container dry. Keep in a cool place. Ground all equipment containing material. Keep in a cool, well-ventilated place. Combustible materials should be stored away from extreme heat and away from strong oxidizing agents.
  Send Your Enquiry  
 
Product Code: # 49 Product Price:   
 
   


Chloroform
Chloroform CAS Number 67-66-3 Appearance Colorless, sweet-smelling, dense liquid Assay 99.9% min. Specific Gravity 1.48 @ 20C/4C Odour Characteristic Melting point -63.5C (-83F) Boiling point 62 C (144F) Molecular weight 119.38 Colour (APHA) 10 max Vap.pr. 160 @ 20C (68F) Acidity 10ppm max Use Chloroform has commonly been used as a solvent in the manufacture of pesticides, dyes, and drugs. Storage Keep container tightly closed. Keep container in a cool, well-ventilated area. Sensitive to light. Store in light-resistant containers. Others Evaporation Rate (BuAc=1): 11.6
  Send Your Enquiry  
 
Product Code: # 51 Product Price:   
 
   


Cinnamoyl Chloride
Cinnamoyl chloride CAS Number 102-92-1 Appearance Off white to yellowish solid crystal Assay 98% min. Melting point 31C to 35 C Use : Organic chemical intermediates for Cinnoxicam Storage : Keep container dry. Keep in a cool place. Ground all equipment containing material. Corrosive materials should be stored in a separate safety storage cabinet or room.
  Send Your Enquiry  
 
Product Code: # 52 Product Price:   
 
   


Diethyl Carbonate
Diethyl carbonate CAS Number 105-58-8 Appearance Colourless, transparent Liquid without any mechanical impurity pH 6.2000000000000002 Specific Gravity 0.9752 (Water = 1) Odour Pleasant ethereal. Mild Water 0.1% max Solubiliy Soluble in diethyl ether. Insoluble in cold water, hot water. Melting point -43C Boiling point 126C Flash point 25C Auto Ignition 445C Density Vapor Density: 4.07 (Air = 1) Vap.pr. 1.4 kPa (@ 25C) Use Used in many industries; pharmaceuticals; agrochemicals; hydrocarbon refinery; paint and coatings and fragrances; It is used as a methylation and carbonylation agent in organic synthesis. It can be used as fuel and lube additive. Storage : Store in a segregated and approved area. Keep container in a cool, well-ventilated area. Keep container tightly closed and sealed until ready for use. Avoid all possible sources of ignition (spark or flame).
  Send Your Enquiry  
 
Product Code: # 59 Product Price: $  
 
   


Isothiozolinone
Isothiozolinone CAS Number : 96118-96-6 Appearance : Colourless to pale yellow clear liquid Assay 14.5 0.05 % pH 2.0 3.0 Odour Mild Use Min. 12 months in original packing away from heat and direct sunlight.
  Send Your Enquiry  
 
Product Code: # 62 Product Price:   
 
   


Lauric Acid
Lauric Acid CAS Number : 143-07-7 Appearance : White solid Odour : Faint odor Solubiliy : Insoluble in water Melting point : 43-44C Colour lovibond - Red : 0.2 max Colour lovibond - Yellow : 1.0 max Iodine value : 0.5 max Acid value : 278-282 Saponification value : 279-283 Titre : 41-44 Carbon composition-% C10 : 0.4 max Carbon composition-% C12 : 99 min. Carbon composition-% C14 : 0.8 max Packing : 25 kgs Use : Rubber & Latex, Plastics, Greases & Lubricants, Food Additives, Pharmaceuticals, Cosmetics & Toiletries Storage : It is essential to store the product in the original packing in a cool dry place. Should kept in a cool and dry place
  Send Your Enquiry  
 
Product Code: # 63 Product Price:   
 
   


Lemon Oil
Lemon oil CAS Number 8008-56-8 Appearance Yellow to slightly greenish coloured mobile liquid Flash point + 50C Refractive index 1.470 - 1.480 @ 20C Use Deodorant, soothing agent, antiseptic, perfumery compounds, soaps etc...
  Send Your Enquiry  
 
Product Code: # 64 Product Price:   
 
   


Linalyl Acetate
Linalyl acetate CAS Number 115-95-7 Appearance Clear, colourles liquid Odour like bergamot-lavender Refractive index 1.452 0.02 Density 0.897 0.06 g/cm3 Use Used as principal components of the essential oils of lavender and bergamot. Used as an adulterant in essential oils to make them more marketable. Storage Store in a cool and dry - protected from light
  Send Your Enquiry  
 
Product Code: # 65 Product Price:   
 
   




eIndiaBusines MembersCopyright © Hutaib Enterprise. All Rights Reserved
Site Designed & Promoted by Advent InfoSoft Pvt Ltd.