Methyl 4-hydroxybenzoate
Names
[ CAS No. ]:
99-76-3
[ Name ]:
Methyl 4-hydroxybenzoate
[Synonym ]:
methyl p-hydroxybenzoate
4-Hydroxybenzoic acid, methyl ester
4-(Carbomethoxy)phenol
Mekkings M
Benzoic acid, 4-hydroxy-, methyl ester
Methylparaben
4-(Methoxycarbonyl)phenol
Methyl parahydroxybenzoate
Killitol
Methyl chemosept
Methyl-4-hydroxybenzoate
p-Hydroxybenzoic acid methyl ester
methyl para-hydroxybenzoate
4-Hydroxybenzoic Acid Methyl Ester
EINECS 202-785-7
Methyl 4-hydroxybenzoate
Benzoic acid, p-hydroxy-, methyl ester
Nipagin
4-Hydroxy-benzoic acid methyl ester
Metagin
p-Hydroxybenzoic acid, methyl ester
p-Hydroxybenzoic methyl ester
Methyl parasept
Tegosept M
4-Hydroxybenzoic acid methylester
MFCD00002352
Methyl Paraben
Biological Activity
[Description]:
[Related Catalog]:
[References]
[Related Small Molecules]
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
265.5±13.0 °C at 760 mmHg
[ Melting Point ]:
125-128 °C(lit.)
[ Molecular Formula ]:
C8H8O3
[ Molecular Weight ]:
152.147
[ Flash Point ]:
116.4±12.6 °C
[ Exact Mass ]:
152.047348
[ PSA ]:
46.53000
[ LogP ]:
1.87
[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C
[ Index of Refraction ]:
1.547
[ Stability ]:
Stable. Incompatible with strong oxidizing agents, strong bases.
[ Freezing Point ]:
131℃
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- DH2450000
- CHEMICAL NAME :
- Benzoic acid, p-hydroxy-, methyl ester
- CAS REGISTRY NUMBER :
- 99-76-3
- BEILSTEIN REFERENCE NO. :
- 0509801
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 13
- MOLECULAR FORMULA :
- C8-H8-O3
- MOLECULAR WEIGHT :
- 152.16
- WISWESSER LINE NOTATION :
- QR DVO1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >500 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 :
- >8 gm/kg
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - ataxia
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 960 mg/kg
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Behavioral - ataxia
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1200 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 - rabbit
- DOSE/DURATION :
- 6 gm/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 :
- 3 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
MUTATION DATA
- TYPE OF TEST :
- Cytogenetic analysis
- TEST SYSTEM :
- Rodent - hamster Fibroblast
- DOSE/DURATION :
- 500 mg/L
- REFERENCE :
- ESKHA5 Eisei Shikenjo Hokoku. Bulletin of the Institute of Hygienic Sciences. (Kokuritsu Eisei Shikenjo Kagaku, 18-1 Bushitsu Johobu, Setagaya-ku, Tokyo 158, Japan) V.1- 1886- Volume(issue)/page/year: (96),55,1978 *** REVIEWS *** TOXICOLOGY REVIEW ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 4,575,1954 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80461 No. of Facilities: 4469 (estimated) No. of Industries: 33 No. of Occupations: 50 No. of Employees: 57029 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80461 No. of Facilities: 15369 (estimated) No. of Industries: 94 No. of Occupations: 117 No. of Employees: 590361 (estimated) No. of Female Employees: 398916 (estimated)
Safety Information
[ Hazard Statements ]:
H412
[ Precautionary Statements ]:
P273
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xi,Xn
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S26-S36-S24/25
[ RIDADR ]:
UN 2769
[ WGK Germany ]:
1
[ RTECS ]:
DH2450000
[ HS Code ]:
2918290000
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2918290000
[ Summary ]:
HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%
Articles
PLoS Genet. 11(3) , e1005030, (2015)
Both malnutrition and undernutrition can lead to compromised immune defense in a diversity of animals, and "nutritional immunology" has been suggested as a means of understanding immunity and determin...
Development and validation of a stability-indicating LC-UV method for the determination of pantethine and its degradation product based on a forced degradation study.J. Pharm. Biomed. Anal. 97 , 141-50, (2014)
Pantethine (d-bis-(N-pantothenyl-β-aminoethyl)-disulfide, PAN), the stable disulfide form of pantetheine, has beneficial effects in vascular diseases being able to decrease the hyperlipidaemia, modera...
Comparison of rheological properties, follicular penetration, drug release, and permeation behavior of a novel topical drug delivery system and a conventional cream.Eur. J. Pharm. Biopharm. 88(3) , 614-24, (2015)
A novel adapalene-loaded solid lipid microparticle (SLMA) dispersion as a topical drug delivery system (TDDS) for follicular penetration has been introduced. The objective of the present study was to ...