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116-53-0

116-53-0 structure
116-53-0 structure

Name 2-methylbutyric acid
Synonyms 2-Methyl butyric acid
.α.-Methylbutyric acid
DL-2-Methylbutyric Acid
MFCD00002669
QVY2&1
2-Methylbutyric acid
Butanoic acid, 2-methyl-
EINECS 204-145-2
UNII:PX7ZNN5GXK
(±)-2-Methylbutyric acid
2-Methylbutanoic acid
Density 1.0±0.1 g/cm3
Boiling Point 175.3±8.0 °C at 760 mmHg
Melting Point -70ºC
Molecular Formula C5H10O2
Molecular Weight 102.132
Flash Point 73.9±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
Storage condition 0-6°C
Water Solubility 45 g/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :
EK7897000
CHEMICAL NAME :
Butanoic acid, 2-methyl-
CAS REGISTRY NUMBER :
116-53-0
BEILSTEIN REFERENCE NO. :
1098537
LAST UPDATED :
199710
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C5-H10-O2

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 :
1870 uL/kg
TOXIC EFFECTS :
Gastrointestinal - changes in structure or function of salivary glands Gastrointestinal - hypermotility, diarrhea Musculoskeletal - other changes
REFERENCE :
ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,171,1992
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1460 uL/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - ataxia Gastrointestinal - other changes
REFERENCE :
ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,171,1992 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9650 No. of Facilities: 11 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 193 (estimated) No. of Female Employees: 11 (estimated)
Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H302 + H312-H314
Precautionary Statements P280-P305 + P351 + P338-P310
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
Risk Phrases R21/22;R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3265
WGK Germany 1
RTECS EK7897000
Packaging Group III
Hazard Class 8.0
HS Code 29156090
HS Code 29156090
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