Mequinol
Suppliers
Names
[ CAS No. ]:
150-76-5
[ Name ]:
Mequinol
[Synonym ]:
HQMME
HYDROQUINONE METHYL ETHER
Phenol, p-methoxy-
Hydroquinone monomethyl ether
MEHQ
methylhydroquinone
Anisyl alcohol
p-Hydroxyanisole
Leucobasal
PHENOL,4-METHOXY
Phenol, 4-methoxy-
P-METHOXYPHENOL
mequinol
para-hydroxyanisole
para-methoxy phenol
EINECS 205-769-8
4-Methoxy-phenol
P-GUAIACOL
1-Hydroxy-4-methoxybenzene
4-Hydroxyanisole
4-Methoxyphenol
PARA-METHOXYPHENOL
P-ANISYL ALCOHOL
MFCD00002332
Chemical & Physical Properties
[ Density]:
1.1±0.1 g/cm3
[ Boiling Point ]:
243.0±0.0 °C at 760 mmHg
[ Melting Point ]:
56 °C
[ Molecular Formula ]:
C7H8O2
[ Molecular Weight ]:
124.137
[ Flash Point ]:
120.8±4.8 °C
[ Exact Mass ]:
124.052429
[ PSA ]:
29.46000
[ LogP ]:
1.31
[ Vapour density ]:
4.3 (vs air)
[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C
[ Index of Refraction ]:
1.535
[ Stability ]:
Stable. Combustible. Incompatible with halogens, oxidizing agents.
[ Water Solubility ]:
40 g/L (25 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- SL7700000
- CHEMICAL NAME :
- Phenol, p-methoxy-
- CAS REGISTRY NUMBER :
- 150-76-5
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 22
- MOLECULAR FORMULA :
- C7-H8-O2
- MOLECULAR WEIGHT :
- 124.15
- WISWESSER LINE NOTATION :
- QR DO1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1600 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 :
- 250 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 - mouse
- DOSE/DURATION :
- 7508 ng/kg/12D-I
- TOXIC EFFECTS :
- Liver - other changes Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.)
MUTATION DATA
- TYPE OF TEST :
- DNA inhibition
- TEST SYSTEM :
- Human Lymphocyte
- REFERENCE :
- RCOCB8 Research Communications in Chemical Pathology and Pharmacology. (PJD Pub. Ltd., P.O. Box 966, Westbury, NY 11590) V.1- 1970- Volume(issue)/page/year: 54,133,1986 *** REVIEWS *** ACGIH TLV-TWA 5 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 TOXICOLOGY REVIEW JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued. Volume(issue)/page/year: 4(5),31,1985 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 mg/m3 JAN 1993 OEL-BELGIUM:TWA 5 mg/m3 JAN 1993 OEL-DENMARK:TWA 5 mg/m3 JAN 1993 OEL-FRANCE:TWA 5 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 5 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 5 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 4-METHOXYPHENOL-air:10H TWA 5 mg/m3 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 : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3672 No. of Facilities: 9805 (estimated) No. of Industries: 136 No. of Occupations: 89 No. of Employees: 250087 (estimated) No. of Female Employees: 49763 (estimated)
Safety Information
[ Symbol ]:
GHS07, GHS08
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H302-H317-H319-H361d-H412
[ Precautionary Statements ]:
P201-P273-P280-P308 + P313-P333 + P313-P337 + P313
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves
[ Hazard Codes ]:
Xn:Harmful
[ Risk Phrases ]:
R22;R36;R43
[ Safety Phrases ]:
S24/25-S26-S37/39-S46
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
1
[ RTECS ]:
SL7700000
[ HS Code ]:
2909500000
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2909500000
[ Summary ]:
2909500000 ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%
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