3-Methylbutanoic acid
Suppliers
Names
[ CAS No. ]:
503-74-2
[ Name ]:
3-Methylbutanoic acid
[Synonym ]:
Butanoic acid, 3-methyl-
1,1-DIMETHYLPROPYL 3-METHYLBUTANOATE
Butanoic acid,3-methyl-,1,1-dimethylpropyl ester
Isovaleric acid
MFCD00002726
isobutanoic acid
3-Methylbutanoic acid
iso-valeric acid
3-Methyl-n-butyric acid
tert-Amyl isovalerate
β-methylbutyric acid
3-methyl butyric acid
2-Isovalerylamino-naphthalin
Isovaleriansaeure-tert-pentylester
3-Methylbutyric Acid
EINECS 207-975-3
QV1Y1&1
tert-Pentyl alcohol,isovalerate
3-Methylbutanoic acid,3-Methylbutyric acid
3-methyl-butanoic acid,1,1-dimethylpropyl ester
i-butanoic acid
Chemical & Physical Properties
[ Density]:
1.0±0.1 g/cm3
[ Boiling Point ]:
175.3±8.0 °C at 760 mmHg
[ Melting Point ]:
-35 °C
[ Molecular Formula ]:
C5H10O2
[ Molecular Weight ]:
102.132
[ Flash Point ]:
70.6±0.0 °C
[ Exact Mass ]:
102.068077
[ PSA ]:
37.30000
[ LogP ]:
1.13
[ Vapour Pressure ]:
0.6±0.7 mmHg at 25°C
[ Index of Refraction ]:
1.418
[ Water Solubility ]:
25 g/L (20 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- NY1400000
- CHEMICAL NAME :
- Isovaleric acid
- CAS REGISTRY NUMBER :
- 503-74-2
- BEILSTEIN REFERENCE NO. :
- 1098522
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 12
- MOLECULAR FORMULA :
- C5-H10-O2
- MOLECULAR WEIGHT :
- 102.15
- WISWESSER LINE NOTATION :
- QV1Y1&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Open irritation test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/31/1972
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,841,1979
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/31/1972 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2 mL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/31/1972
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1120 mg/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 18,141,1961
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 310 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/31/1972 *** REVIEWS *** TOXICOLOGY REVIEW AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 21,100,1960 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84451 No. of Facilities: 35 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 69 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84451 No. of Facilities: 148 (estimated) No. of Industries: 4 No. of Occupations: 16 No. of Employees: 6695 (estimated) No. of Female Employees: 1037 (estimated)
Safety Information
[ Symbol ]:
GHS05
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H314
[ Precautionary Statements ]:
P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
C:Corrosive;T:Toxic;
[ Risk Phrases ]:
R22;R24;R34
[ Safety Phrases ]:
S26-S36/37/39-S45-S38-S28A
[ RIDADR ]:
UN 3265 8/PG 2
[ WGK Germany ]:
1
[ RTECS ]:
NY1400000
[ Packaging Group ]:
III
[ Hazard Class ]:
6.1
[ HS Code ]:
2915600000
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2915900090
[ Summary ]:
2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives 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:5.5% General tariff:30.0%
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