4 4 Diamino 2 2 Stilbenedisulfonic Acid-manufacture,factory,supplier from China

(Total 24 Products for 4 4 Diamino 2 2 Stilbenedisulfonic Acid)
Products Description of 4,4'-Diamino-2,2'-Stilbenedisulfonic Acid CAS#81-11-8 4,4'-diaminostilbene-2,2'-disulfonic acid, an organic chemical substance, molecular formula: C14H14N2O6S2.4,4'-Diamino-2,2'-stilbenedisulfonic acid Chemical PropertiesMelting point 300 °Cdensity 1.4732 (rough estimate)vapor pressure 1.3hPa at 25℃refractive index 1.6510 (estimate)storage temp. Keep in dark place,Inert atmosphere,Room temperaturesolubility Aqueous Base (Slightly)pka-1.58±0.50(Predicted)form Crystalline Powdercolor Cream to yellow
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Products Description of 4-Chloro-2-nitrobenzoic acid CAS#6280-88-2 4-Chloro-2-nitrobenzoic acid, also known as p-chloro-o-nitrobenzoic acid, is an important organic intermediate used in a variety of production fields such as pesticides, medicines, and dyes.
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Products Description of 2-Aminothiazole-4-acetic acid CAS#29676-71-9 It is prepared by condensing ethyl chloro or bromoacetyl acetate with thiourea and then hydrolyzing it.2-Aminothiazole-4-acetic acid Chemical PropertiesMelting point 130 °C (dec.)(lit.)Boiling point 399.0±17.0 °C(Predicted)density 1.367 (estimate)vapor pressure 1.03-1.15hPa at 20℃refractive index 1.6430 (estimate)storage temp. -20°Csolubility DMSO (Slightly)pka3.20±0.10(Predicted)form solidcolor WhiteWater Solubility 6.5 g/L (20 ºC)BRN 127415Stability:Unsta
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Products Description of 4-(2-Tetrahydropyranyloxy)phenylboronic acid CAS#182281-01-2Phenylboric acid is a chemical substance with the chemical formula C11H15BO4.4-(2-Tetrahydropyranyloxy)phenylboronic acid Chemical PropertiesMelting point 117-124 °CBoiling point 411.3±55.0 °C(Predicted)density 1.21±0.1 g/cm3(Predicted)storage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility soluble in Methanolform powder to crystalpka8.63±0.16(Predicted)color White to Light yellowCAS DataBase Reference182281-01-2(CAS DataBase Reference)Safety Information
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Products Description of 4-Pyridazinecarboxylic Acid CAS#50681-25-94-Pyridazinecarboxylic Acid is a commonly used chemical raw material, often used as a pharmaceutical intermediate.4-Pyridazinecarboxylic Acid CAS#50681-25-9 Chemical PropertiesMelting point 244.2 °C (dec.) (lit.)Boiling point 404.2±18.0 °C(Predicted)density 1.403±0.06 g/cm3(Predicted)storage temp. Sealed in dry,Room Temperatureform powder to crystalpka3.18±0.10(Predicted)color White to Almost whiteInChIInChI=1S/C5H4N2O2/c8-5(9)4-1-2-6-7-3-4/h1-3H,(H,8,9)InChIKeyJUSIWJONLKBPDU-UHFFFAOYSA-NS
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BIS(2-METHACRYLOXYETHYL) PHOSPHATE Chemical PropertiesBoiling point 221 °C(lit.)density 1.28 g/mL at 25 °C(lit.)refractive index n20/D 1.47(lit.)Fp >230 °Fstorage temp. 2-8°Cpka1.29±0.50(Predicted)EPA Substance Registry System2-Propenoic acid, 2-methyl-, phosphinicobis(oxy-2,1-ethanediyl) ester (32435-46-4)Safety InformationHazard Codes XiRisk Statements 36/37/38Safety Statements 26-36WGK Germany 3HS Code 29199000Product Application of BIS(2-METHACRYLOXYETHYL) PHOSPHATE CAS#32435-46-4 Used in resin and
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Products Description of 4-Hydroxy-2-butanone CAS#590-90-94-Hydroxy-2-butanone is a component of bark beetle powder used to lure and kill bark beetles. It forms a complex with a Ziegler-Natta catalyst and is used as a catalyst for the stereospecific polymerization of butadiene and an organic synthesis intermediate.
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Products Description of 4-Chlorophenethylamine CAS#156-41-24-Chlorophenethylamine is an organic compound with the molecular formula: C8H11ClN.Chemical PropertiesBoiling point 60-65 °C0.1 mm Hg(lit.)density 1.112 g/mL at 25 °C(lit.)refractive index n20/D 1.548(lit.)Fp 223 °Fstorage temp. Store Coldpka9.72±0.10(Predicted)form Liquidcolor Clear colorless to yellowSpecific Gravity1.12BRN 508247InChIKeySRXFXCKTIGELTI-UHFFFAOYSA-NCAS DataBase Reference156-41-2(CAS DataBase Reference)Safety InformationHazard Codes Xi
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Products Description of 2-(4-FLUORO-PHENYL)-PIPERAZINE CAS#65709-33-32-(4-Fluorophenyl)-piperazine is a common pharmaceutical intermediate.2-(4-FLUORO-PHENYL)-PIPERAZINE CAS#65709-33-3 Chemical PropertiesMelting point 111-114°CBoiling point 287.2±35.0 °C(Predicted)density 1.079±0.06 g/cm3(Predicted)storage temp. 2-8°Csolubility DMF: 30 mg/ml; DMF:PBS(pH7.2) (1:2): 0.33 mg/ml; DMSO: 30 mg/ml; Ethanol: 30 mg/mlform A crystalline solidpka8.76±0.40(Predicted)Safety Information HS Code 2933599590Product Application of 2-(4-FLUORO-PHENYL)-PIPERA
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Products Description of 4-(4-Aminobenzyl)piperazine-1-carboxylic acid tert-butyl ester CAS#304897-49-24-(4-Aminobenzyl)piperazine-1-carboxylic acid tert-butyl ester is a carboxylic acid ester derivative and can be used as a pharmaceutical intermediate.4-(4-Aminobenzyl)piperazine-1-carboxylic acid tert-butyl ester Chemical PropertiesBoiling point 413.6±40.0 °C(Predicted)density 1.136±0.06 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2–8 °Cpka7.16±0.10(Predicted)Safety InformationHS Code 2933599590Product Application of  4-(4-Aminobenzyl
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Products Description of BIS(2-Methacryloxyethyl)phosphate CAS#32435-46-4 BIS(2-METHACRYLOXYETHYL) PHOSPHATE Chemical PropertiesBoiling point 221 °C(lit.)density 1.28 g/mL at 25 °C(lit.)refractive index n20/D 1.47(lit.)Fp >230 °Fstorage temp. 2-8°Cpka1.29±0.50(Predicted)EPA Substance Registry System2-Propenoic acid, 2-methyl-, phosphinicobis(oxy-2,1-ethanediyl) ester (32435-46-4)Safety InformationHazard Codes XiRisk Statements 36/37/38Safety Statements 26-36WGK Germany 3HS Code 29199000Product Applicati
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Products Description of 4-(3-AMINOPHENYL)-2-METHYLPYRIMIDINE CAS#175201-90-83-(2-Methylpyrimidine)aniline is a chemical.CAS No.
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Products Description of 2-Hydroxy-4-methylpyrimidine hydrochloride CAS#5348-51-62-Hydroxy-4-methylpyrimidine hydrochloride CAS No.
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Products Description of 4-Amino-2-chloropyridineCAS#14432-12-3This product is white crystals, m.p.89~91℃, insoluble in water.4-Amino-2-chloropyridine Chemical PropertiesMelting point 90-94 °C(lit.)Boiling point 153°C 5mmdensity 1.2417 (rough estimate)refractive index 1.5110 (estimate)Fp 153°C/5mmstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility DMSO (Slightly), Methanol (Slightly)pka4.73±0.30(Predicted)form Crystalline Powdercolor Light yellowWater Solubility Slightly soluble in water.BRN 108671InChIKeyBLB
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l-Glutamic acid, N-coco acyl derivs., disodium salts Chemical Propertiesdensity 1.318[at 20℃]vapor pressure 0Pa at 20℃pka1.52[at 20 ℃]Water Solubility 450g/L at 20℃LogP-4.48 at 20℃EPA Substance Registry SystemL-Glutamic acid, N-coco acyl derivs., disodium salts (68187-30-4)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of (2-Bromoethyl)benzene  CAS#103-63-9β-Bromophenylethane is an important intermediate for the synthesis of highly efficient brominated flame retardant polybrominated styrene, and is also commonly used in the preparation of organic synthesis intermediates. For example, β-Bromophenylethane can be used to prepare 4-(4-phenylbutoxy)benzoic acid, an intermediate for preparing pranlukast. Pranlukast was first successfully developed by Ono Co., Ltd. of Japan as an anti-asthma drug and was launched in Japan in 1995.
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Products Description of 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate CAS#2494-89-5White crystals. Soluble in water, insoluble in ethanol, ether and benzene.
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Products Description of 2-Lodothiophene CAS#3437-95-42-Lodothiophene is a colorless liquid with a melting point of -40°C and a boiling point of 80-81°C (2.67 kPa).2-Lodothiophene CAS#3437-95-4 Chemical PropertiesMelting point -40 °C (lit.)Boiling point 73 °C/15 mmHg (lit.)density 1.902 g/mL at 25 °C (lit.)refractive index n20/D 1.651(lit.)Fp 160 °Fstorage temp. 2-8°Cform LiquidSpecific Gravity1.902color Clear yellow-green to red-brownSensitive Light SensitiveBRN 104666InChIKeyROIMNSWDOJCBFR-UHFFFAOYSA-NCAS DataBase Reference3437-
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Products Description of 4-Methyl-2-pentanone CAS#108-10-14-Methyl-2-pentanone (methyl isobutyl ketone) reagent is widely used as a solvent in chemical and pharmaceutical industries, separation and recovery of nuclear fission products, and scientific research experiments. The content of 4-methyl-2-pentanone sold on the market is ≤99%, and it contains a small amount of impurities such as alcohol, acidic substances and water. 4-Methyl-2-pentanone is used as a solvent for nitrocellulose, lacquer, and certain polymers and resins.
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Products Description of 5-{4-[2-(5-Ethyl-2-pyridyl)ethoxy]benzyl}-2-imino-4-thiazolidinone CAS#105355-26-8Organic and pharmaceutical synthesis intermediates, can be used to synthesize pioglitazone hydrochloride.5-{4-[2-(5-Ethyl-2-pyridyl)ethoxy]benzyl}-2-imino-4-thiazolidinone Chemical PropertiesMelting point 187-188°CBoiling point 557.4±60.0 °C(Predicted)density 1.28storage temp. Sealed in dry,2-8°Csolubility DMSO (Slightly, Heated), Methanol (Slightly, Heated)pka5.53±0.22(Predicted)form Solidcolor Light Brown to BeigeCAS DataBase Reference105355-26-8(C
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Products Description of L-Arginine-L-Aspartate CAS#7675-83-4L-Arginine L-aspartate Chemical PropertiesMelting point 220-221 °Cstorage temp. 2-8°Csolubility Very soluble in water, practically insoluble in alcohol and in methylene chloride.color White to Off-WhiteStability:HygroscopicLogP-1.287 (est)CAS DataBase Reference7675-83-4(CAS DataBase Reference)EPA Substance Registry SystemArginine aspartate (7675-83-4)Product Application of L-Arginine-L-Aspartate CAS#7675-83-4Used as cosmetic amino acid nutrient, amino acid nutrient food additive, etc.
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Products Description of (2S)-(+)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine CAS#78342-42-4(S)-2,5-Dimethoxy-3-isopropyl-3,6-dihydropyrazine.Molecular formula: C9H16N2O2.Molecular weight: 184.24 g/mol(2S)-(+)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine Chemical Propertiesalpha 102 º (c=1%, EtOH)Boiling point 245.2±33.0 °C(Predicted)density 1.028 g/mL at 20 °C (lit.)storage temp. Sealed in dry,2-8°Csolubility Chloroform (Slightly), DMSO (Slightly), Ethanol (Sparingly), Methanol (Slightly)pka3.81±0.60(Predicted)form Liquidcolor Clear colorless to pale
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Products Description of 1,4-Bis-[4-(3-acryloyloxypropyloxy)benzoyloxy]-2-methylbenzeneCAS#174063-87-71,4-Bis-[4-(3-acryloxypropoxy)benzoyloxy]-2-methylbenzene can be used in the field of photography to synthesize fast-erasable dyes, filter materials, charge transfer agents, etc.1,4-Bis-[4-(3-acryloyloxypropyloxy)benzoyloxy]-2-methylbenzene Chemical PropertiesBoiling point 733.5±60.0 °C(Predicted)density 1.219vapor pressure 0.003Pa at 25℃storage temp. Keep in dark place,Sealed in dry,Room Temperatureform powdercolor WhiteWater Solubility 5.3μg/L at 20℃Log
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2'-Hydroxyacetophenone CAS#118-93-4Overview:2'-Hydroxyacetophenone, also known as ortho hydroxy acetophenone, is an organic compound with the chemical formula C8H8O2 and the CAS number 118-93-4.This light yellow liquid is recognized for its diverse applications in various industries, including pharmaceuticals and fragrancesProduct Specifications:Molecular Formula: C8H8O2Molecular Weight: 136.15 g/molAppearance: Clear yellow to brown liquidMelting Point: 4 to 6°CBoiling Point: 213°C at 717 mm HgDensity: 1.131 g/mL at 25°CRefractive Index: 1.558 at 20°C
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2-ACP Introduction2-ACP, is a chemical compound with the molecular formula C6H6ClN2. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals. In this article, we will discuss the properties, applications, and synthesis of 2-ACP.2-ACP Properties1. Physical Properties: 2-ACP is a white to off-white crystalline powder with a melting point of 110-114℃. It is soluble in organic solvents such as ethanol, methanol, and acetone, but insoluble in water.2. Chemical Properties: 2-ACP is a heterocyclic compound containing a pyridine ring and an amino group.
CAS#433711-95-6 IntroductionThe chemical compound (2-Bromo-pyridin-4-yl)carbamic acid tert-butyl ester, also known as CAS#433711-95-6, is a key intermediate in the synthesis of various pharmaceuticals and agrochemicals. This compound is widely used in the chemical industry due to its unique properties and versatile applications.
2-(Methylamino)pyridine IntroductionIt, also known as MAP, is a chemical compound with the molecular formula C6H8N2. It is commonly used in the pharmaceutical and chemical industries as a building block for various drugs and chemicals. In this article, we will explore the properties, applications, and synthesis of 2-(Methylamino)pyridine.2-(Methylamino)pyridine Properties1. Physical properties: it is a colorless to pale yellow liquid with a pungent odor. It has a boiling point of 208-209°C and a melting point of -35°C.2.
3-Amino-pyridine-2-carboxylic acid amide Introduction3-Amino-pyridine-2-carboxylic acid amide, also known as 2-carbamoyl-3-aminopyridine, is an important chemical intermediate used in the synthesis of various pharmaceuticals and agrochemicals. Its chemical formula is C6H7N3O2 and its CAS number is 50608-99-6.
Introduction2-ethyl-3-hydroxy-6-methylpyridine, also known as 2-ethyl-6-methyl-3-pyridinol, is a chemical compound with the molecular formula C8H11NO. Its CAS number is 2364-75-2. This compound is widely used in the chemical industry as a building block for the synthesis of various chemicals. In this article, we will discuss the properties, uses, and synthesis of 2-ethyl-3-hydroxy-6-methylpyridine.Properties2-ethyl-3-hydroxy-6-methylpyridine is a white to off-white crystalline powder with a melting point of 88-92°C. It is soluble in water, ethanol, and other organic solvents.
As early as 1780, the Swedish chemist Sheele discovered lactic acid from waste milk; the production of lactic acid by fermentation originated from the natural fermentation of Boutron and Fremy in 1941; the industrial production of lactic acid by pure fermentation was started by Charles E. Avery in 1881. began; and large-scale industrial production of L-lactic acid was formed in the early 1990s.
Phosphoric Acid: A Versatile Chemical CompoundPhosphoric acid, a colorless, odorless, and syrupy liquid, is a common inorganic acid. Its chemical formula is H₃PO₄. It is a triprotic acid, meaning it can donate three protons (H⁺ ions) in aqueous solution.Properties and ProductionPhosphoric acid is a non-volatile, non-flammable, and relatively stable acid.
Acetic Acid: A Versatile Compound with Numerous ApplicationsAcetic acid, commonly known as ethanoic acid, is an organic compound with the chemical formula CH₃COOH. It’s a colorless liquid with a pungent smell and sour taste.
Latest Developments in Acetic Acid ProductionRecent advancements in the production of acetic acid highlight a significant shift towards more sustainable and innovative methods. Acetic acid, an essential organic compound, is increasingly produced through biotechnological processes and carbon dioxide (CO2) conversion, reflecting the industry's commitment to sustainability.Bioproduction Innovations: The biological production of acetic acid is gaining traction as a sustainable alternative. Techniques such as genetic engineering are being utilized to enhance yields and reduce production costs.
Tannic acid belongs to hydrolyzed tannins, which can be hydrolyzed to acid and glucose. It is one of the earliest studied tannins and has strong biological and pharmacological activities. Tannic acid is mainly rich in plants such as Chinese five seeds, Turkish seeds, tara pods, pomegranates, sumac leaves, sumac, and witch hazel trees.
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