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Acetyl ketene

Acetyl ketene
Acetyl ketene structure
CAS No.
674-82-8
Chemical Name:
Acetyl ketene
Synonyms
DK;Diketen;DIKETENE;Dikitene;Acety ketene;ACETYLKETENE;KETENE DIMER;Diketene(DK);Ketenedimere;ethenone,dimer
CBNumber:
CB0369048
Molecular Formula:
C4H4O2
Formula Weight:
84.07
MOL File:
674-82-8.mol

Acetyl ketene Properties

Melting point:
-7.5°C
Boiling point:
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.)
Flash point:
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)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
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
19-21-27
HazardClass  6.1(a)
PackingGroup  I
Hazardous Substances Data 674-82-8(Hazardous Substances Data)
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H226 Flammable liquid and vapour Flammable liquids Category 3 Warning
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P403+P235 Store in a well-ventilated place. Keep cool.

NFPA 704

Diamond Hazard Value Description
2
4 2
Health   4 Very short exposure could cause death or major residual injury (e.g. hydrogen cyanide, phosgene, methyl isocyanate, hydrofluoric acid)
Flammability   2 Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur and multiple finely divided suspended solids that do not require heating before ignition can occur. Flash point between 37.8 and 93.3 °C (100 and 200 °F). (e.g. diesel fuel, sulfur)
Instability   2 Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water (e.g. white phosphorus, potassium, sodium)
Special  

(NFPA, 2010)

Acetyl ketene price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy

Acetyl ketene Chemical Properties,Uses,Production

General Description

A colorless liquid with a disagreeable odor. Slightly less dense than water. Flash point 90°F. Irritates skin and eyes. Used to make paints and pharmaceuticals.

Air & Water Reactions

Highly flammable. Slightly soluble in water.

Reactivity Profile

DIKETENE is a very reactive dimer, Acetyl ketene may undergo a spontaneous decomposition followed by explosion or ignition [Vervalin, 1973, p.86]. In the presence of bases, amines, mineral acids or Lewis acids a violent polymerization will occur, accompanied by gas evolution [Zdenek, F. et al., Czech Pat. 156 584, 1975].

Health Hazard

TOXIC; may be fatal if inhaled, ingested or absorbed through skin. Inhalation or contact with some of these materials will irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

Fire Hazard

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion and poison hazard indoors, outdoors or in sewers. May polymerize explosively when heated or involved in a fire. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Acetyl ketene Preparation Products And Raw materials

Raw materials

Preparation Products


Acetyl ketene Suppliers

Global( 150)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 21968 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20680 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32457 55
Xiamen AmoyChem Co., Ltd
+86 (0)592-605 1114
sales@amoychem.com CHINA 6374 58
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608 chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 24001 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254
peter@hubeijusheng.com CHINA 20095 58
Haihang Industry Co.,Ltd
86-531-88032799
+86 531 8582 1093 export@haihangchem.com CHINA 4669 58
QUALITY CONTROL CHEMICALS INC.
(323) 306-3136
(626) 453-0409 orders@qcchemical.com United States 8409 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 19923 58
Shanghai Yolne Chemical Co., Ltd. 021-61525205,62960152 QQ:1242926278,3060526242
021-52212593 sales@yolne.com China 9920 55

View Lastest Price from Acetyl ketene manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-07 Acetyl ketene
674-82-8
US $1.00 / KG 1KG 99% Customized career henan chemical co

Acetyl ketene Spectrum


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