Phenacyl chloride
Chemical compound / From Wikipedia, the free encyclopedia
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Phenacyl chloride, also commonly known as chloroacetophenone, is a substituted acetophenone. It is a useful building block in organic chemistry. Apart from that, it has been historically used as a riot control agent, where it is designated CN.[5] It should not be confused with cyanide, another agent used in chemical warfare, which has the chemical structure CN−. Chloroacetophenone is thermally stable, and is the only tear agent that is distillable at ambient conditions.
Quick Facts Names, Identifiers ...
Names | |
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Preferred IUPAC name
2-Chloro-1-phenylethan-1-one | |
Other names
2-Chloro-1-phenylethanone α-Chloroacetophenone 2-Chloroacetophenone Chloromethyl phenyl ketone Phenyl chloromethyl ketone CN Weeping gas[1] Mace | |
Identifiers | |
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3D model (JSmol) |
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ChEMBL | |
ChemSpider |
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ECHA InfoCard | 100.007.757 |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C8H7ClO | |
Molar mass | 154.59 g·mol−1 |
Appearance | white to gray crystalline solid[2] |
Odor | pungent and irritating[2] |
Density | 1.324 g/cm3 |
Melting point | 54 to 56 °C (129 to 133 °F; 327 to 329 K) |
Boiling point | 244.5 °C (472.1 °F; 517.6 K) |
insoluble | |
Vapor pressure | 0.005 mmHg (20 °C)[2] |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
Combustible[2] |
GHS labelling:[3] | |
Danger | |
H300, H311+H331, H315, H318, H334, H335 | |
P280, P301+P310+P330, P302+P352+P312, P304+P340+P311, P305+P351+P338+P310 | |
NFPA 704 (fire diamond) | |
Flash point | 88 °C (190 °F; 361 K) |
Lethal dose or concentration (LD, LC): | |
LCLo (lowest published) |
417 mg/m3 (rat, 15 min) 600 mg/m3 (mouse, 15 min) 465 mg/m3 (rabbit, 20 min) 490 mg/m3 (guinea pig, 30 min) 159 mg/m3 (human, 20 min) 850 mg/m3 (human, 10 min)[4] |
NIOSH (US health exposure limits): | |
PEL (Permissible) |
TWA 0.3 mg/m3 (0.05 ppm)[2] |
REL (Recommended) |
TWA 0.3 mg/m3 (0.05 ppm)[2] |
IDLH (Immediate danger) |
15 mg/m3[2] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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