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95-71-6

95-71-6 structure
95-71-6 structure

Name Methylhydroquinone
Synonyms 2-Methylbenzene-1,4-diol
2-Methyl-1,4-benzenediol
MFCD00002345
2-Methylhydroquinone
EINECS 202-443-7
1,4-Benzenediol, 2-methyl-
QR DQ B1
Density 1.2±0.1 g/cm3
Boiling Point 277.8±20.0 °C at 760 mmHg
Melting Point 125-128ºC
Molecular Formula C7H8O2
Molecular Weight 124.137
Flash Point 140.2±16.4 °C
Exact Mass 124.052429
PSA 40.46000
LogP 1.10
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.595
Stability Stable. Combustible. Incompatible with oxidizing agents, strong bases.
Water Solubility 77 g/L (25 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :
MX6700000
CHEMICAL NAME :
Hydroquinone, methyl-
CAS REGISTRY NUMBER :
95-71-6
BEILSTEIN REFERENCE NO. :
2041489
LAST UPDATED :
199706
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C7-H8-O2
MOLECULAR WEIGHT :
124.15
WISWESSER LINE NOTATION :
L6V DVJ B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83745 No. of Facilities: 16 (estimated) No. of Industries: 1 No. of Occupations: 4 No. of Employees: 948 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83745 No. of Facilities: 77 (estimated) No. of Industries: 3 No. of Occupations: 5 No. of Employees: 2767 (estimated) No. of Female Employees: 806 (estimated)
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn:Harmful;
Risk Phrases R22
Safety Phrases 26-36
RIDADR UN 2811
WGK Germany 2
RTECS MX6700000
Packaging Group III
Hazard Class 6.1(b)
HS Code 29072900
HS Code 2907299090
Summary 2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%