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2052-15-5

2052-15-5 structure
2052-15-5 structure

Name butyl 4-oxopentanoate
Synonyms n-Butyl laevulinate
Pentanoic acid, 4-oxo-, butyl ester
n-Butyl levulinate
Butyl 4-Oxovalerate
Butyl laevulinate
Laevulinsaeure-butylester
EINECS 218-143-4
Butyl 4-oxopentanoate
Levulinic Acid Butyl Ester
MFCD00009449
Butyl 4-ketovalerate
LEVULINIC ACID,BUTYL ESTER
Butyl acetylpropionate
butyl-4-oxopentanoate
Butyl levulinate
Pentanoic acid,4-oxo-,butyl ester
4-Oxovaleric acid butyl ester
Density 1.0±0.1 g/cm3
Boiling Point 240.3±13.0 °C at 760 mmHg
Molecular Formula C9H16O3
Molecular Weight 172.221
Flash Point 91.7±0.0 °C
Exact Mass 172.109940
PSA 43.37000
LogP 1.46
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.426

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OI1695000
CHEMICAL NAME :
Levulinic acid, butyl ester
CAS REGISTRY NUMBER :
2052-15-5
BEILSTEIN REFERENCE NO. :
1768453
LAST UPDATED :
199701
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C9-H16-O3
MOLECULAR WEIGHT :
172.25

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,655,1983 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,655,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,655,1983 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5775 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1822 (estimated) No. of Female Employees: 272 (estimated)
Personal Protective Equipment Eyeshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)
Hazard Codes Xi
Safety Phrases S24/25
WGK Germany 2
RTECS OI1695000
Packaging Group I; II; III
Hazard Class 6.1
HS Code 2918300090
HS Code 2918300090
Summary 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%