Oxalyl chloride
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Not to be confused with phosgene.
Oxalyl chloride is an organic chemical compound with the formula Cl−C(=O)−C(=O)−Cl. This colorless, sharp-smelling liquid, the diacyl chloride of oxalic acid, is a useful reagent in organic synthesis.[4]
Quick Facts Names, Identifiers ...
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Names | |||
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Preferred IUPAC name
Oxalyl dichloride[1] | |||
Systematic IUPAC name
Ethanedioyl dichloride[1] | |||
Other names
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Identifiers | |||
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.001.092 | ||
EC Number |
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PubChem CID |
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RTECS number |
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UNII | |||
CompTox Dashboard (EPA) |
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Properties | |||
C2O2Cl2 | |||
Molar mass | 126.92 g·mol−1 | ||
Appearance | Colorless liquid | ||
Odor | Phosgene-like[2] | ||
Density | 1.4785 g/mL | ||
Melting point | −16 °C (3 °F; 257 K) | ||
Boiling point | 63 to 64 °C (145 to 147 °F; 336 to 337 K) at 1.017 bar | ||
Reacts | |||
Refractive index (nD) |
1.429 | ||
Hazards | |||
Occupational safety and health (OHS/OSH): | |||
Main hazards |
Toxic, corrosive, lachrymator[3] | ||
GHS labelling: | |||
[3] | |||
Danger[3] | |||
H314, H331[3] | |||
P261, P280, P305+P351+P338, P310[3] | |||
NFPA 704 (fire diamond) | |||
Safety data sheet (SDS) | External MSDS | ||
Related compounds | |||
Related acyl chlorides |
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Related compounds |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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