2-Buten-1-one,1,3-diphenyl- cas no:495-45-4

Synonyms: Chalcone, b-methyl- (7CI,8CI); Dypnone(6CI); 1,3-Diphenyl-2-buten-1-one; NSC 2063; b-Methylchalcone; b-Methylstyryl phenyl ketone

Directory

Identification
Chemical Properties
Safety Data
Toxicity

Identification

Name2-Buten-1-one,1,3-diphenyl-
CAS495-45-4
SynonymsChalcone, b-methyl- (7CI,8CI); Dypnone(6CI); 1,3-Diphenyl-2-buten-1-one; NSC 2063; b-Methylchalcone; b-Methylstyryl phenyl ketone
EINECS(EC#)207-801-6
Molecular FormulaC16H14 O
Molecular Weight222.30

Chemical Properties

refractive index1.586

Safety Data

Safety

The safety information of Dypnone (CAS NO.495-45-4):
Moderately toxic by ingestion. Mildly toxic by skin contact. A skin and eye irritant. Flammable liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use alcohol foam; CO₂, dry chemical. Used as a sunscreen. When heated to decomposition it emits acrid smoke and irritating fumes. See also KETONES.

Toxicity

The toxicity of Dypnone (CAS NO.495-45-4):

1.	skn-rbt 10 mg/24H open MLD	JIHTAB Journal of Industrial Hygiene and Toxicology. 31 (1949),60.
2.	eye-rbt 500 mg	AJOPAA American Journal of Ophthalmology. 29 (1946),1363.
3.	orl-rat LD₅₀:3600 mg/kg	JIHTAB Journal of Industrial Hygiene and Toxicology. 31 (1949),60.
4.	skn-rbt LD₅₀:6300 mg/kg	JIHTAB Journal of Industrial Hygiene and Toxicology. 31 (1949),60.

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