diketene

Product Name:

Acetyl ketene

Synonyms:

3-buteno-beta-lactone;3-Butenoic acid, 3-hydroxy-, beta-lactone;3-hydroxy-3-butenoicacibeta-lactone;4-methylene-2-oxetanon;Diketen;diketene,inhibited;Ethenone, dimer;ethenone,dimer

CAS:

674-82-8

MF:

C4H4O2

MW:

84.07

EINECS:

211-617-1

Product Categories:

Pharmaceutical Intermediates;Aromatic amine products

Mol File:

674-82-8.mol

mp

-7.5°C

bp

69-70 °C100 mm Hg(lit.)

density

1.09 g/mL at 25 °C(lit.)

vapor density

2.9 (vs air)

vapor pressure

7.9 mm Hg ( 20 °C)

refractive index

n20/D 1.439(lit.)

Fp

95 °F

storage temp.

2-8°C

CAS DataBase Reference

674-82-8(CAS DataBase Reference)

NIST Chemistry Reference

2-Oxetanone, 4-methylene-(674-82-8)

EPA Substance Registry System

2-Oxetanone, 4-methylene-(674-82-8)

Hazard Codes

Xn

Risk Statements

10-20-40-36/37/38

Safety Statements

3-36/37-33-24/25-23-16-26

RIDADR

UN 2929 6.1/PG 2

WGK Germany

2

RTECS

RQ8225000

F

19-21-27

HazardClass

6.1(a)

PackingGroup

I

Hazardous Substances Data

674-82-8(Hazardous Substances Data)