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553-97-9

553-97-9 structure
553-97-9 structure

Name 2-methylcyclohexa-2,5-diene-1,4-dione
Synonyms 2-methylbenzoquinone
2-Methylquinone
p-Toluquinone
2-Methyl-1,4-benzoquinone
MFCD00001603
2,5-Cyclohexadiene-1,4-dione, 2-methyl-
2-methyl-p-benzoquinone
2-Methyl-2,5-cyclohexadiene-1,4-dione
Methylquinone
2-methylbenzo-1,4-quinone
Tolylquinone
monomethyl-1,4-benzoquinone
Methylbenzoquinone
Toluquinone
EINECS 209-056-2
p-Benzoquinone,2-methyl
Methyl-p-benzoquinone
methyl-1,4-benzoquinone
Density 1.2±0.1 g/cm3
Boiling Point 186.6±15.0 °C at 760 mmHg
Melting Point 66-67 °C(lit.)
Molecular Formula C7H6O2
Molecular Weight 122.121
Flash Point 64.9±17.4 °C
Exact Mass 122.036781
PSA 34.14000
LogP 0.86
Vapour Pressure 0.7±0.4 mmHg at 25°C
Index of Refraction 1.524
Water Solubility insoluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DK6300000
CHEMICAL NAME :
p-Benzoquinone, 2-methyl-
CAS REGISTRY NUMBER :
553-97-9
LAST UPDATED :
199710
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C7-H6-O2
MOLECULAR WEIGHT :
122.13
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 :
250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
1200 nmol/plate
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 347,37,1995 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7308 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1822 (estimated) No. of Female Employees: 272 (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 T:Toxic;
Risk Phrases R25;R36/37/38
Safety Phrases S26-S45-S37/39-S28A
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS DK6300000
Packaging Group II; III
Hazard Class 4.1
HS Code 29146990
HS Code 2914690090
Summary 2914690090 other quinones。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%