4-methyloxetan-2-one (Molecular Formula: C₄H₆O₂)

Product Name:	4-methyloxetan-2-one
CAS Registry Number:	3068-88-0
EINECS:	221-330-3
Synonyms:	4-Methyloxetan-2-one; 3068-88-0;4-methyloxetan-2-one; 4-METHYL-2-OXETANONE; 2-Oxetanone; (I)-beta-Butyrolactone; 4-methyl-; .beta.-Butyrolactone;
Molecular Structure:
Molecular Formula:	C₄H₆O₂
Molecular Weight:	86.08924
Density:	1.056 g/mL at 25 °C(lit.)
Boiling Point:	71-73 °C29 mm Hg(lit.)
Melting Point:	?43.5 °C(lit.)
Flash Point:	140 °F
Refractive index:	n20/D 1.411(lit.)
Risk Codes:	36/38-40
Safety Statements:	Suspected carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Mildly toxic by ingestion. A moderate skin irritant. Mutation data reported. When heated to decomposition it emits acrid and irritating fumes. See also 4-BUTYROLACTONE.
Hazard Symbols:	Xn: Harmful;

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