4-Aminobenzoic acid
Names
[ CAS No. ]:
150-13-0
[ Name ]:
4-Aminobenzoic acid
[Synonym ]:
PABA,Vitamin Bx,Vitamin H1
4-Aminobenzoic Acid
EINECS 205-753-0
MFCD00007894
Biological Activity
[Description]:
[Related Catalog]:
[Target]
Human Endogenous Metabolite
[Related Small Molecules]
Chemical & Physical Properties
[ Density]:
1.3±0.1 g/cm3
[ Boiling Point ]:
339.9±25.0 °C at 760 mmHg
[ Melting Point ]:
187-189 °C(lit.)
[ Molecular Formula ]:
C7H7NO2
[ Molecular Weight ]:
137.136
[ Flash Point ]:
159.4±23.2 °C
[ Exact Mass ]:
137.047684
[ PSA ]:
63.32000
[ LogP ]:
0.83
[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C
[ Index of Refraction ]:
1.637
[ Stability ]:
Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light.
[ Water Solubility ]:
4.7 g/L (20 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- DG1400000
- CHEMICAL NAME :
- Benzoic acid, p-amino-
- CAS REGISTRY NUMBER :
- 150-13-0
- BEILSTEIN REFERENCE NO. :
- 0471605
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 17
- MOLECULAR FORMULA :
- C7-H7-N-O2
- MOLECULAR WEIGHT :
- 137.15
- WISWESSER LINE NOTATION :
- ZR DVQ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- 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 :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >3450 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 :
- 2850 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 1 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 - rabbit
- DOSE/DURATION :
- 1830 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 :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 2 gm/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 :
- Mammal - species unspecified
- DOSE/DURATION :
- 182 mg/kg/26W-I
- TOXIC EFFECTS :
- Liver - other changes Blood - changes in erythrocyte (RBC) count Blood - changes in leukocyte (WBC) count
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 2500 mg/kg
- SEX/DURATION :
- female 1-22 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
MUTATION DATA
- TEST SYSTEM :
- Rodent - mouse
- DOSE/DURATION :
- 1 gm/kg
- REFERENCE :
- ATSUDG Archives of Toxicology, Supplement. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) No.1- 1978- Volume(issue)/page/year: 5,355,1982 *** REVIEWS *** IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 16,249,1978 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 16,249,1978 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80471 No. of Facilities: 144 (estimated) No. of Industries: 3 No. of Occupations: 10 No. of Employees: 8957 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80471 No. of Facilities: 821 (estimated) No. of Industries: 3 No. of Occupations: 21 No. of Employees: 10227 (estimated) No. of Female Employees: 6397 (estimated)
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H315-H317-H319-H335-H413
[ Precautionary Statements ]:
P261-P280-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves
[ Hazard Codes ]:
Xi:Irritant
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S26-S36-S37/39
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
3
[ RTECS ]:
DG1400000
[ HS Code ]:
29224995
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2922499990
[ Summary ]:
HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%
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