Mequinol

Modify Date: 2026-06-30 15:58:37

Mequinol Structure
Mequinol structure
 Common Name Mequinol
CAS Number 150-76-5 Molecular Weight 124.137
Density 1.1±0.1 g/cm3 Boiling Point 243.0±0.0 °C at 760 mmHg
Molecular Formula C7H8O2 Melting Point 56 °C
MSDS Chinese USA Flash Point 120.8±4.8 °C
Symbol GHS07 GHS08
GHS07, GHS08		 Signal Word Warning

 Use of Mequinol


Mequinol (4-Methoxyphenol) is one of bioactive components in Mercurialis spp. Mequinol is used for skin depigmentation[1]

 Names

Name 4-Methoxyphenol
Synonym More Synonyms

 Mequinol Biological Activity

Description Mequinol (4-Methoxyphenol) is one of bioactive components in Mercurialis spp. Mequinol is used for skin depigmentation[1]
Related Catalog
References

[1]. Callender VD, et al. Postinflammatory hyperpigmentation: etiologic and therapeutic considerations. Am J Clin Dermatol. 2011 Apr 1;12(2):87-99.

 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
InChIKey NWVVVBRKAWDGAB-UHFFFAOYSA-N
SMILES COc1ccc(O)cc1
Stability Stable. Combustible. Incompatible with halogens, oxidizing agents.
Water Solubility 40 g/L (25 ºC)

 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
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

 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%

 Articles48

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Cheminformatics analysis of assertions mined from literature that describe drug-induced liver injury in different species.

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Drug-induced liver injury is one of the main causes of drug attrition. The ability to predict the liver effects of drug candidates from their chemical structures is critical to help guide experimental...

Convenient QSAR model for predicting the complexation of structurally diverse compounds with β-cyclodextrins

Bioorg. Med. Chem. 17 , 896-904, (2009)

This paper reports a QSAR study for predicting the complexation of a large and heterogeneous variety of substances (233 organic compounds) with beta-cyclodextrins (beta-CDs). Several different theoret...

Calculating virtual log P in the alkane/water system (log P(N)(alk)) and its derived parameters deltalog P(N)(oct-alk) and log D(pH)(alk).

J. Med. Chem. 48 , 3269-79, (2005)

Growing interest in the use of both the logarithm of the partition coefficient of the neutral species in the alkane/water system (log P(N)(alk)) and the difference between log P(N)(oct) (the logarithm...

 MequinolBioassay

View more

Name: Primary qHTS assay for inhibitors of alpha-synuclein gene (SNCA) expression
Source: NCGC
External Id: SNCA-p-activity-luciferase
Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN
Name: Cytochrome P450 Family 1 Subfamily A Member 2 (CYP1A2) small molecule antagonists: lu...
Source: 824
External Id: CYP273
Name: Octanol-water partition coefficient, log P of the compound
Source: ChEMBL
Target: N/A
External Id: CHEMBL3256050
Name: Oleyl alcohol-water partition coefficient, log P of the compound
Source: ChEMBL
Target: N/A
External Id: CHEMBL3256053
Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN
Name: Hedgehog Measured in Biochemical System Using Plate Reader - 2070-01_Inhibitor_Single...
Source: Broad Institute
Target: hedgehog, isoform A [Drosophila melanogaster]
External Id: 2070-01_Inhibitor_SinglePoint_HTS_Activity
Name: qHTS Assay for Small Molecule Inhibitors of the Human hERG Channel Activity
Source: NCGC
External Id: HERG01
Name: Binding affinity to mushroom tyrosinase assessed as maximal activity
Source: ChEMBL
Target: Polyphenol oxidase 4
External Id: CHEMBL5634572
Name: Binding affinity to mushroom tyrosinase assessed as catalytic constant by Michaelis-M...
Source: ChEMBL
Target: Polyphenol oxidase 4
External Id: CHEMBL5634573
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 Synonyms

HQMME
HYDROQUINONE METHYL ETHER
Hydroquinone monomethyl ether
MEHQ
methylhydroquinone
Anisyl alcohol
p-Hydroxyanisole
Leucobasal
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
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Chemsrc provides Mequinol(CAS#:150-76-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Mequinol are included as well.>> amp version: Mequinol

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