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Chloropicrin information


Chloropicrin
Names
IUPAC name
Trichloro(nitro)methane
Other names
  • Nitrochloroform
  • Nitrotrichloromethane
  • PS
  • Tri-clor
  • Trichloronitromethane
Identifiers
CAS Number
  • 76-06-2 checkY
3D model (JSmol)
  • Interactive image
Beilstein Reference
 1756135
ChEBI
  • CHEBI:39285 checkY
ChEMBL
  • ChEMBL1327143
ChemSpider
  • 13861343 checkY
ECHA InfoCard 100.000.847 Edit this at Wikidata
EC Number
  • 200-930-9
Gmelin Reference
 240197
IUPHAR/BPS
  • 6292
KEGG
  • C18445 checkY
PubChem CID
  • 6423
RTECS number
  • PB6300000
UNII
  • I4JTX7Z7U2 checkY
UN number 1580
CompTox Dashboard (EPA)
  • DTXSID0020315 Edit this at Wikidata
InChI
  • InChI=1S/CCl3NO2/c2-1(3,4)5(6)7 checkY
    Key: LFHISGNCFUNFFM-UHFFFAOYSA-N checkY
  • InChI=1/CCl3NO2/c2-1(3,4)5(6)7
    Key: LFHISGNCFUNFFM-UHFFFAOYAJ
SMILES
  • ClC(Cl)(Cl)[N+]([O-])=O
Properties
Chemical formula
 CCl3NO2
Molar mass 164.375 g/mol
Appearance colorless liquid
Odor irritating[1]
Density 1.692 g/ml[2]
Melting point −69 °C (−92 °F; 204 K)
Boiling point 112 °C (234 °F; 385 K) (decomposes)
Solubility in water
 0.2%[1]
Vapor pressure 18 mmHg (20°C)[1]
Magnetic susceptibility (χ)
 −75.3·10−6 cm3/mol
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Extremely toxic and irritating to skin, eyes, and lungs. Carcinogenic.
GHS labelling:
Pictograms
 GHS05: CorrosiveGHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
Signal word
 Danger
Hazard statements
 H301, H314, H330, H370, H372, H410
Precautionary statements
 P260, P264, P270, P271, P273, P280, P284, P301+P310, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P307+P311, P310, P314, P320, P321, P330, P363, P391, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 0: Will not burn. E.g. waterInstability 3: Capable of detonation or explosive decomposition but requires a strong initiating source, must be heated under confinement before initiation, reacts explosively with water, or will detonate if severely shocked. E.g. hydrogen peroxideSpecial hazards (white): no code
4
0
3
Lethal dose or concentration (LD, LC):
LC50 (median concentration)
 9.7 ppm (mouse, 4 hr)
117 ppm (rat, 20 min)
14.4 ppm (rat, 4 hr)[3]
LCLo (lowest published)
 293 ppm (human, 10 min)
340 ppm (mouse, 1 min)
117 ppm (cat, 20 min)[3]
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 0.1 ppm (0.7 mg/m3)[1]
REL (Recommended)
 TWA 0.1 ppm (0.7 mg/m3)[1]
IDLH (Immediate danger)
 2 ppm[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Infobox references

Chloropicrin, also known as PS (from Port Sunlight[4]) and nitrochloroform, is a chemical compound currently used as a broad-spectrum antimicrobial, fungicide, herbicide, insecticide, and nematicide.[5] It was used as a poison gas in World War I and allegedly by Russia in the Russian invasion of Ukraine[6]. Its chemical structural formula is Cl3C−NO2.

  1. ^ a b c d e f NIOSH Pocket Guide to Chemical Hazards. "#0132". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ http://msds.chem.ox.ac.uk/CH/chloropicrin.html [dead link]
  3. ^ a b "Chloropicrin". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  4. ^ Foulkes, C.H. (31 Jan 2012). "GAS!" — The Story of the Special Brigade. Andrews UK Limited. p. 193.
  5. ^ "RED Fact Sheet: Chloropicrin" (PDF). US Environmental Protection Agency. 10 July 2008. p. 2. Retrieved 20 September 2013.
  6. ^ Murphy, Matt (May 2, 2024). "Russia using chemical choking agents in Ukraine, US says". BBC News. Retrieved May 3, 2024.

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