Diketene structure
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Common Name | Diketene | ||
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CAS Number | 674-82-8 | Molecular Weight | 84.073 | |
Density | 1.1±0.1 g/cm3 | Boiling Point | 127.4±0.0 °C at 760 mmHg | |
Molecular Formula | C4H4O2 | Melting Point | -7.5°C | |
MSDS | Chinese USA | Flash Point | 34.4±0.0 °C | |
Symbol |
GHS02, GHS06 |
Signal Word | Danger |
Name | Acetyl ketene |
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Synonym | More Synonyms |
Density | 1.1±0.1 g/cm3 |
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Boiling Point | 127.4±0.0 °C at 760 mmHg |
Melting Point | -7.5°C |
Molecular Formula | C4H4O2 |
Molecular Weight | 84.073 |
Flash Point | 34.4±0.0 °C |
Exact Mass | 84.021126 |
PSA | 26.30000 |
LogP | 0.27 |
Vapour density | 2.9 (vs air) |
Vapour Pressure | 11.1±0.2 mmHg at 25°C |
Index of Refraction | 1.450 |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
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Symbol |
GHS02, GHS06 |
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Signal Word | Danger |
Hazard Statements | H226-H302-H331 |
Precautionary Statements | P261-P301 + P312 + P330-P304 + P340 + P312-P403 + P233-P403 + P235 |
Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
Hazard Codes | Xn:Harmful |
Risk Phrases | R10;R20 |
Safety Phrases | S3-S36/37-S33-S24/25-S23-S16 |
RIDADR | UN 2929 6.1/PG 2 |
WGK Germany | 2 |
RTECS | RQ8225000 |
Packaging Group | I |
Hazard Class | 6.1(a) |
Precursor 10 | |
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DownStream 10 | |
Chemical reactivity and biological activity of diketene.
Chem. Res. Toxicol. 21(10) , 1964-9, (2008) The alkylating potential of diketene (4-methylene-2-oxetanone), the basic unit of many derivatives of pesticides, chemicals, pharmaceuticals, and dyestuffs, was investigated kinetically. The nucleophi... |
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Novel approach to 1,5-benzodiazepine-2-ones containing peptoid backbone via one-pot diketene-based Ugi-4CR.
J. Comb. Chem. 12(4) , 497-502, (2010) An efficient and simple route for preparation of substituted 1,5-benzodiazepine-2-one containing peptoid backbone is presented. The classical Ugi reaction is considerably extended by application of o-... |
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One-pot multicomponent synthesis of 1-aryl-5-methyl-N-R2-1H-1,2,3-triazole-4-carboxamides: an easy procedure for combinatorial chemistry.
J. Comb. Chem. 11(3) , 481-5, (2009) A convenient synthetic protocol was elaborated for creation of combinatorial libraries of 1-(R(1)-phenyl)-5-methyl-N-R(2)-1H-1,2,3-triazole-4-carboxamides. As starting materials, commercially availabl... |
ACETYLKETENE |
4-Methylidenoxetan-2-on |
Acety ketene |
Diketene(DK) |
4-Methyleneoxetan-2-one |
Ketene dimer |
4-methylideneoxetan-2-one |
EINECS 211-617-1 |
But-1-ene-1,3-dione |
Ketenedimere |
ethenone,dimer |
MFCD00005173 |
Diketen |
4-Methylene-2-oxetanone |
Dikitene |
diketene dimer |
2-Oxetanone, 4-methylene- |
Diketene |