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Shijiazhuang Kaizheng Trading Co., Ltd.

Hydroquinone, 1 4-Benzenediol, 1 4-Dihydroxy-Benzeen manufacturer / supplier in China, offering Hydroquinone, Sodium Hypochlorite CAS: 7681-52-9 Mf: Clnao Purity: 10%, Pharmaceutical Raw Material Methylamine Hydrochloride / Methylamine HCl CAS 593-51-1 and so on.

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FOB Price: Get Latest Price
Min. Order: 1 g
Transport Package: Drum
Payment Terms: L/C, T/T, Western Union, Money Gram
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Basic Info
  • Classification: Substituted Benzenes
  • Grade Standard: Industrial Grade
  • Trademark: kz
  • Shape: Flake
  • Source: Catalytic Reforming
  • Origin: Chinaland
Product Description
Product Name:Hydroquinone
Synonyms:1,4-Benzenediol (hydroquinone);1,4-Dihydroxy-benzeen;1,4-Dihydroxybenzen;1,4-dihydroxybenzen(czech);1,4-Dihydroxy-benzol;1,4-Diidrobenzene;4-Hydroxyphenol;alpha-hydroquinone
Product Categories:Intermediates of Dyes and Pigments;Redox Catalysts (Environmentally-friendly Oxidation);Environmentally-friendly Oxidation;Synthetic Organic Chemistry;Aromatics;Building Blocks;Chemical Synthesis;Nutrition Research;Organic Building Blocks;Oxygen Compounds;Phytochemicals by Plant (Food/Spice/Herb);Polyols;Vaccinium myrtillus (Bilberry);PINDAC
Mol File:123-31-9.mol
Hydroquinone Chemical Properties
mp 172-175 °C(lit.)
bp 285 °C(lit.)
density 1.32
vapor density 3.81 (vs air)
vapor pressure 1 mm Hg ( 132 °C)
Fp 165 °C
storage temp. Refrigerator
solubility H2O: 50 mg/mL, clear
Water Solubility 70 g/L (20 ºC)
Merck 14,4808
BRN 605970
Stability:Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air.
CAS DataBase Reference123-31-9(CAS DataBase Reference)
NIST Chemistry ReferenceHydroquinone(123-31-9)
EPA Substance Registry System1,4-Benzenediol(123-31-9)
Safety Information
Hazard Codes Xn,N
Risk Statements 22-40-41-43-50-68-R68-R50-R43-R41-R40-R22
Safety Statements 26-36/37/39-61-S61-S36/37/39-S26
WGK Germany 3
RTECS MX3500000
HazardClass 9
PackingGroup III
HS Code 29072210
Hazardous Substances Data123-31-9(Hazardous Substances Data)
MSDS Information
Hydroquinone Usage And Synthesis
Chemical Propertieswhite needle-like crystals or crystalline powder
UsageK channel agonist, antihypertensive
Usagereducing agent prevents polymerization of resin monomers lightens darkened skin, light sensitive
UsageUse as photographic reducer and developer; as reagent in the determination of small quantities of phosphate; as antioxidant. Depigmentor
General DescriptionLight colored crystals or solutions. May irritate the skin, eyes and mucous membranes. Mildly toxic by ingestion or skin absorption.
Air & Water ReactionsDarkens on exposure to air and light. Miscible in water. Solutions become brown in air due to oxidation. Oxidation is very rapid in the presence of alkali.
Reactivity ProfileHydroquinone is a slight explosion hazard when exposed to heat. Incompatible with strong oxidizing agents. Also incompatible with bases. Hydroquinone reacts with oxygen and sodium hydroxide. Reacts with ferric salts . Hot and/or concentrated NaOH can cause Hydroquinone to decompose exothermically at elevated temperature. (NFPA Pub. 491M, 1975, 385)
Health HazardHydroquinone is very toxic; the probable oral lethal dose for humans is 50-500 mg/kg, or between 1 teaspoon and 1 ounce for a 150 lb. person. It is irritating but not corrosive. Fatal human doses have ranged from 5-12 grams, but 300-500 mg have been ingested daily for 3-5 months without ill effects. Death is apparently initiated by respiratory failure or anoxia.
Fire HazardDust cloud may explode if ignited in an enclosed area. Hydroquinone can react with oxidizing materials and is rapidly oxidized in the presence of alkaline materials. Oxidizes in air.
Hydroquinone Preparation Products And Raw materials
Preparation Products1,4-Dimethoxybenzene-->Quizalofop-p-ethyl-->2-CHLOROPYRIMIDINE-4-CARBONITRILE-->Chloral hydrate-->methyl(±)cis,trans-2,2-dimethyl-3-(2-methyl-1-propenyl cyclopropane carboxylate)-->X-PHOS-->Ethyl chrysanthemumate-->4-Ethenylphenol acetate-->7-HYDROXYISOFLAVONE-->Butylated hydroxyanisole-->2,5-Dimethoxyaniline-->Fluazifop-P-butyl-->2-[N-(2-Cyanoethyl)-4-[(2,6-dichloro-4-nitrophenyl)azo]anilino]ethyl acetate-->Allyl hexanoate-->4-CHLORO-8-(TRIFLUOROMETHYL)QUINOLINE-->(1,1-DIMETHYL-PROP-2-YNYL)-HYDRAZINE-->1-(2,5-Dimethoxyphenyl)-2-oximino-1-propanone-->1,2,4-Trimethoxybenzene -->1,2-NAPHTHALIC ANHYDRIDE-->N-NONYL ACRYLATE-->2,5-Di-tert-butylhydroquinone-->2-Hydroxyethyl methacrylate-->ethyl 3,3-dimethylpent-4-en-1-oate -->Pirenoxine-->Hydroxypropyl acrylate-->Chloro(1,5-cyclooctadiene)iridium(I) dimer-->4-Phenoxyphenol-->tert-Butylhydroquinone-->Fast Blue BB-->2,5-Dimethoxy-4-chloroaniline -->3-SULFOLENE-->FLUAZIFOP-BUTYL-->2-AMINO-1-(2,5-DIMETHOXYPHENYL)-1-PROPANONE-->3-METHYL-2,5-DIHYDROTHIOPHENE-1,1-DIOXIDE-->2,3-DIMETHYL-1,3-BUTADIENE-->enbucrilate -->ammonium manganous sulfate-->1,4-Diacetoxybenzene-->2,5-Dihydroxybenzoic acid-->4-[(6-Chloro-1,3-benzoxazol-2-yl)oxy]phenol
Raw materialsSulfuric acid -->Iron-->Aniline-->ZINC-->Manganese dioxide-->Activated carbon-->Sodium metabisulfite-->Pyrocatechol-->Oxalic acid-->1,4-Benzoquinone-->Manganese-->Bisphenol A-->Aniline sulfate
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