Hydroquinone

Suppliers

Names

[ CAS No. ]:
123-31-9

[ Name ]:
Hydroquinone

[Synonym ]:
1,4-benzenediol
MFCD00002339
1,4-dihydroxyanthron
1,4-Benzenediol,1,4-Dihydroxybenzene,HQ
p-hydroxy-PhOH
p-Benzenediol
Hydroquinone
1,4-dihydroxyanthone
1,4-Dihydroxy-benzol
1,4-Dihydroxyxanthon
1,4-Dihydroxybenzene
1,4-Dihydroxy-xanthen-9-on
1,4-dihydroxy-benzene
p-dihydroxybenzene
EINECS 204-617-8
9H-Xanthen-9-one,1,4-dihydroxy
1,4-dihydroxy-xanthen-9-one

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
286.0±0.0 °C at 760 mmHg

[ Melting Point ]:
172-175 °C(lit.)

[ Molecular Formula ]:
C₆H₆O₂

[ Molecular Weight ]:
110.111

[ Flash Point ]:
141.6±14.4 °C

[ Exact Mass ]:
110.036781

[ PSA ]:
40.46000

[ LogP ]:
0.64

[ Vapour density ]:
3.81 (vs air)

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.612

[ Stability ]:
Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air.

[ Water Solubility ]:
70 g/L (20 ºC)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MX3500000

CHEMICAL NAME :: Hydroquinone

CAS REGISTRY NUMBER :: 123-31-9

LAST UPDATED :: 199806

DATA ITEMS CITED :: 126

MOLECULAR FORMULA :: C6-H6-O2

MOLECULAR WEIGHT :: 110.12

WISWESSER LINE NOTATION :: QR DQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Human

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Human

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human

DOSE/DURATION :: 29 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human

DOSE/DURATION :: 170 mg/kg

TOXIC EFFECTS :: Behavioral - coma Cardiac - pulse rate increase, without fall in BP Lungs, Thorax, or Respiration - cyanosis

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 320 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Behavioral - excitement

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 170 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 115 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Behavioral - excitement

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 720 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 245 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 182 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 150 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 200 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - excitement Gastrointestinal - nausea or vomiting

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 80 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 70 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - excitement Gastrointestinal - changes in structure or function of salivary glands

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 50 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Vascular - regional or general arteriolar or venous dilation Blood - methemoglobinemia-carboxyhemoglobin

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 125 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 550 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Behavioral - excitement

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - pigeon

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - excitement Gastrointestinal - nausea or vomiting

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Amphibian - frog

DOSE/DURATION :: 190 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Parenteral

SPECIES OBSERVED :: Amphibian - frog

DOSE/DURATION :: 190 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - convulsions or effect on seizure threshold Cardiac - other changes

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 480 mg/kg

TOXIC EFFECTS :: Behavioral - changes in motor activity (specific assay) Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 5970 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 236 gm/kg/9W-C

TOXIC EFFECTS :: Gastrointestinal - ulceration or bleeding from stomach Blood - changes in bone marrow (not otherwise specified) Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 13 gm/kg/13W-I

TOXIC EFFECTS :: Liver - changes in liver weight Related to Chronic Data - death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 6 gm/kg/14D-I

TOXIC EFFECTS :: Related to Chronic Data - death

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 10 mg/m3/4H/17W-I

TOXIC EFFECTS :: Blood - normocytic anemia Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Blood - changes in erythrocyte (RBC) count

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 13 gm/kg/13W-I

TOXIC EFFECTS :: Liver - changes in liver weight Related to Chronic Data - death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 32500 mg/kg/65W-I

TOXIC EFFECTS :: Brain and Coverings - changes in brain weight Liver - changes in liver weight Blood - changes in cell count (unspecified)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3 gm/kg/14D-I

TOXIC EFFECTS :: Related to Chronic Data - death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 220 mg/kg/14D-I

TOXIC EFFECTS :: Behavioral - ataxia Nutritional and Gross Metabolic - other changes Related to Chronic Data - death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 25750 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Kidney, Ureter, Bladder - Kidney tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 25750 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 256 gm/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Kidney, Ureter, Bladder - Kidney tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 349 gm/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Kidney, Ureter, Bladder - Kidney tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 699 gm/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 26 gm/kg/2Y-I

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 2500 mg/kg

SEX/DURATION :: female 1-22 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 667 mg/kg

SEX/DURATION :: female 11 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1 gm/kg

SEX/DURATION :: female 11 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 5 mg/kg

SEX/DURATION :: female 1 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - ovaries, fallopian tubes

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 550 mg/kg

SEX/DURATION :: female 11 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - menstrual cycle changes or disorders

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 5100 mg/kg

SEX/DURATION :: male 51 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)

TYPE OF TEST :: Unscheduled DNA synthesis

TYPE OF TEST :: Micronucleus test

TYPE OF TEST :: Micronucleus test

TYPE OF TEST :: Micronucleus test

TYPE OF TEST :: Mutation test systems - not otherwise specified

TYPE OF TEST :: Cytogenetic analysis

TYPE OF TEST :: Sex chromosome loss and nondisjunction

MUTATION DATA

TYPE OF TEST :: Mutation test systems - not otherwise specified

TEST SYSTEM :: Rodent - rabbit Bone marrow

REFERENCE :: CBINA8 Chemico-Biological Interactions. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1969- Volume(issue)/page/year: 50,203,1984 *** REVIEWS *** ACGIH TLV-Animal carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 2 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 15,155,1977 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 15,155,1977 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 TOXICOLOGY REVIEW AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St., NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 23,6,1971 TOXICOLOGY REVIEW MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 47,75,1978 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 2 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,133,1971 OSHA PEL (Gen Indu):8H TWA 2 mg/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 2 mg/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 2 mg/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 2 mg/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 2 mg/m3 JAN 1993 OEL-BELGIUM:TWA 2 mg/m3 JAN 1993 OEL-DENMARK:STEL 2 mg/m3 JAN 1993 OEL-FINLAND:TWA 2 mg/m3;STEL 4 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 2 mg/m3 JAN 1993 OEL-GERMANY:TWA 2 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 2 mg/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 2 mg/m3 JAN 1993 OEL-POLAND:TWA 2 mg/m3 JAN 1993 OEL-SWEDEN:TWA 0.5 mg/m3;STEL 1.5 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 2 mg/m3;STEL 4 mg/m3 JAN 1993 OEL-TURKEY:TWA 2 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 2 mg/m3;STEL 4 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO HYDROQUINONE-air:CL 2 mg/m3/15M REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M0747 No. of Facilities: 24380 (estimated) No. of Industries: 143 No. of Occupations: 88 No. of Employees: 116192 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M0747 No. of Facilities: 40917 (estimated) No. of Industries: 177 No. of Occupations: 136 No. of Employees: 442749 (estimated) No. of Female Employees: 144063 (estimated)

Safety Information

[ Symbol ]:

GHS05, GHS07, GHS08, GHS09

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H302-H317-H318-H341-H351-H410

[ Precautionary Statements ]:
P273-P280-P305 + P351 + P338-P501

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ Hazard Codes ]:
Xn:Harmful

[ Risk Phrases ]:
R22;R40;R41;R43;R50;R68

[ Safety Phrases ]:
S26-S36/37/39-S61

[ RIDADR ]:
2662

[ WGK Germany ]:
3

[ RTECS ]:
MX3500000

[ Packaging Group ]:
III

[ Hazard Class ]:
9

[ HS Code ]:
2907221000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

4-Bromophenol
1,4-Benzoquinone
Silane, [1, 4-phenylenebis (oxy)]bis[trimethyl-
1,4-Dimethoxybenzene
Phenol
benzene
4-Hydroxyphenylboronic acid
disodium salt of hydroquinone
4-Ethoxyphenol

DownStream

Bicyclo[2.2.1]hept-5-ene-2-methanol,2-acetate
geranylhydroquinone
Acetic acid, 2-chloro-,1,1'-(1,4-phenylene) ester
2,5-Bis((3-morpholinopropyl)amino)-p-benzoquinone
1 4-BIS(2-ETHYLHEXYLOXY)BENZENE
2-Ethylhexanol
4-(Octyloxy)phenol
1-Phenylmethanesulfonamide
2-di(4-methylphenyl)telluronio-4-hydroxyphenolate
1-chloro-4-(4-chlorophenyl)tellanylbenzene

Customs

[ HS Code ]: 2907221000

[ Summary ]:
2907221000 hydroquinone。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。Lowest tariff:5.5%。General tariff:30.0%

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m-Hydroquinone
hydroquinone-D6
durohydroquinone
1,3-hydroquinone
Hydroquinone,iodo
Hydroquinone,iodo
[6-(Propan-2-yloxy)pyridin-2-yl]methanesulfonyl chloride
(1-phenyl-1H-1,2,3-triazol-4-yl)methanesulfonyl chloride
2-(2-Chloropyridin-4-yl)ethane-1-sulfonyl fluoride
(2-Chloro-3-fluoro-6-methoxyphenyl)methanesulfonyl fluoride
2-(1-methyl-1H-indol-4-yl)ethane-1-sulfonyl fluoride
2-(1-methyl-1H-indazol-3-yl)ethane-1-sulfonyl fluoride
[1-(2-methylpropyl)-1H-pyrazol-5-yl]methanesulfonyl fluoride
(3,4-Difluoro-2-methoxyphenyl)methanesulfonyl fluoride
2-(3-nitro-1H-pyrazol-4-yl)ethane-1-sulfonyl fluoride
2-[2-(Dimethylamino)-4-fluorophenyl]ethane-1-sulfonyl chloride

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