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butyl 4-oxopentanoate

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Origin: China

Cas No: 2052-15-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 2052-15-5 Formula: C9H16O3 Molecular Weight: 172.22200

Basic Info

Chemical Name	butyl 4-oxopentanoate
Synonyms	n-Butyl laevulinate; Butyl acetylpropionate; Butyl laevulinate; butyl-4-oxopentanoate; 4-Oxovaleric acid butyl ester; Butyl 4-Oxovalerate; Butyl Levulinate; n-Butyl levulinate; Butyl 4-ketovalerate; Levulinic Acid Butyl Ester; Pentanoic acid, 4-oxo-, butyl ester; LEVULINIC ACID,BUTYL ESTER; Laevulinsaeure-butylester; Butyl 4-oxopentanoate; Pentanoic acid,4-oxo-,butyl ester;
CAS No.	2052-15-5
Molecular Formula	C9H16O3
Molecular Weight	172.22200
PSA	43.37000
LogP	1.69890

Properties

Appearance & Physical State	clear to yellowish liquid
Density	0.974
Boiling Point	106-108ºC (5.5 mmHg)
Flash Point	91ºC
Refractive Index	1.427-1.429
Stability	Stable at room temperature in closed containers under normal storage and handling conditions.
Storage Condition	Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure	0.0382mmHg at 25°C

Safety Info

RTECS	OI1695000
Hazard Class	6.1
Safety Statements	S24/25
HS Code	2918300090
WGK Germany	2
Packing Group	I; II; III
Hazard Codes	Xi

Synthesis Route

Cellulose+n-Butanol→formic acid+Butyl formate
5-(chloromethyl)furan-2-carbaldehyde+n-Butanol→Butyl formate+butyl 4-oxopentanoate
nitroethane+Butyl acrylate→butyl 4-oxopentanoate+4-Nitro-pentanoic acid butyl ester

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Administration onto the skin	Standard Draize test	Rodent - rabbit	500 mg/24H	-
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - rat	>5 gm/kg	1.Details of toxic effects not reported other than lethal dose value
Administration onto the skin	LD50 - Lethal dose, 50 percent kill	Rodent - rabbit	>5 gm/kg	1.Details of toxic effects not reported other than lethal dose value