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4-Methyleneoxetan-2-one

BGC Id:	615563083338
CAS No:	674-82-8
Synonyms:	dikitene ; ketene dimer ; diketene(dk) ; acetylketene ; acety ketene ; ethenone,dimer ; diketene ; diketen ; dk ; ketenedimere
Molecular Formula:	C4H4O2
Molecular Weight:	84.07
EINECS:	211-617-1

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Identify

Synonyms:

dikitene ; ketene dimer ; diketene(dk) ; acetylketene ; acety ketene ; ethenone,dimer ; diketene ; diketen ; dk ; ketenedimere

CAS:

674-82-8

EINECS:

211-617-1

Molecular Formula:

C4H4O2

MDL:

Properties

Molecular Weight:

84.07 g·mol−1

Density:

1.09 g/mL at 25 °C(lit.)

Melting point:

-7.5 °C

Boiling point:

69-70 °C100 mm Hg(lit.)

Flash point:

95 ºF

Safety Information

Hazard Symbols: Xn

Europe standard Hazard pictograms, code and definition

Hazard Classes:

6.1(a)

Hazardous Substances Data:

Non-Regulated Material ¹

Risk Codes:

10-20-40-36/37/38 (R)

Safety Codes:

3-36/37-33-24/25-23-16-26 (S)

WGK Germany:

RID / ADR:

UN 2929 6.1 / PG 2

RTECS:

RQ8225000

Storage temperature:

2-8°C

What other providers are available for CAS 674-82-8?

In addition to the providers presented here for 4-Methyleneoxetan-2-one with the CAS number 674-82-8, there are other 40 providers with slightly different product names available for this CAS number.

Diketene

Shandong Lanhai Industry Co.,Ltd. | Carbone Scientific Co., Ltd. | Xiamen Equation Chemical Co.,Ltd +12 additional providers that we know from the past

Ketene dimer

Dayang Chem (Hangzhou) Co.,Ltd. | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners

Acetyl ketene

Hangzhou Keying Chem Co., Ltd. | Xingrui Industry Co., Limited | Lori Industry Co., Ltd | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Leap Chem Co., Ltd | Skyrun Industrial Co., Ltd. +16 additional providers that we know from the past