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Chloropicrin

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Identification
Molecular formula
CCl3NO2
CAS number
76-06-2
IUPAC name
trichloro(nitro)methane
State
State

At room temperature, chloropicrin is a liquid. It has volatile properties and easily transitions into vapor, contributing to its strong odor and ability to disperse quickly into the environment.

Melting point (Celsius)
-64.00
Melting point (Kelvin)
209.15
Boiling point (Celsius)
112.00
Boiling point (Kelvin)
385.15
General information
Molecular weight
164.38g/mol
Molar mass
164.3840g/mol
Density
1.6570g/cm3
Appearence

Chloropicrin is a colorless to slightly yellow liquid with a strong, sharp odor. It can be perceived at low concentrations with a pungent, irritating scent reminiscent of bleach or chlorine.

Comment on solubility

Solubility of Trichloro(nitro)methane

Trichloro(nitro)methane, commonly referred to as chloropicrin, presents unique solubility characteristics that make it intriguing in the field of chemistry.

Solubility Profile

When considering the solubility of trichloro(nitro)methane, several key factors come into play:

  • Solvent Compatibility: Chloropicrin is known to be soluble in a variety of organic solvents including alcohols, ethers, and aromatic hydrocarbons.
  • Water Solubility: It has limited solubility in water, approximately 0.5 g/L at room temperature, which indicates that it does not readily mix with polar solvents.
  • Temperature Dependency: The solubility can vary with temperature, with increased solubility in warmer solvents compared to cooler ones.

Practical Implications

This solubility profile has significant implications, especially in the context of environmental chemistry and safety protocols:

  • It is important to account for its potential to leach into groundwater due to its low solubility in water.
  • In laboratory settings, precautions must be taken when handling chloropicrin, as its solubility in organic solvents can lead to accidental exposure.

In conclusion, while trichloro(nitro)methane demonstrates limited water solubility, its compatibility with various organic solvents makes it a versatile compound, necessitating careful handling in practical applications.

Interesting facts

Interesting Facts About Trichloro(nitro)methane

Trichloro(nitro)methane, commonly known as chloropicrin, is a fascinating chemical compound with a variety of applications. Here are some noteworthy points:

  • Pesticide Use: Chloropicrin has been primarily used as a soil fumigant to control pests and diseases in agriculture. Its efficacy in killing a wide range of soil-borne pathogens has made it a crucial tool for farmers.
  • Historical Significance: The compound was originally used during World War I as a chemical warfare agent due to its irritating properties. It served as a precursor to more toxic agents but is now mostly utilized in agriculture.
  • Environmental Impact: While effective in pest control, the use of chloropicrin has raised concerns about its environmental impact. Scientists continue to study its persistence in soil and its effects on non-target organisms.
  • Physical Properties: Chloropicrin is a volatile compound, which means it can easily evaporate into the atmosphere. This volatility contributes to its effectiveness as a fumigant but also poses challenges in terms of safety and handling.
  • Regulatory Status: Due to its potential health hazards, there are strict regulations surrounding the use of trichloro(nitro)methane. Safety measures for workers and its application in agriculture are continually being developed to minimize risk.
  • Potential Alternatives: As the agriculture sector seeks to reduce reliance on chemical pesticides, researchers are exploring alternatives to chloropicrin, including biological control methods and organic pesticides.

In conclusion, trichloro(nitro)methane is a compound that balances utility and risk. Its role in agriculture is undeniable, yet it encapsulates the ongoing dialogue around sustainable practices and environmental protection. As we forge ahead, the challenge lies in maximizing its benefits while mitigating its drawbacks.

Synonyms
CHLOROPICRIN
Trichloronitromethane
76-06-2
Nitrochloroform
Nitrotrichloromethane
Chlorpikrin
Trichlornitromethan
Larvacide
Microlysin
Picfume
Nemax
trichloro(nitro)methane
Methane, trichloronitro-
Chlor-O-pic
Chloropicrine
Dojyopicrin
Dolochlor
Picride
Pic-Clor
Tri-Clor
Chloorpikrine
Chloroform, nitro-
Cloropicrina
Larvacide 100
Profume A
Trichloornitromethaan
Chlorpicrin
KLOP
Tricloro-nitro-metano
Caswell No. 214
TRI-CON
CCl3NO2
Chloropicrin [BSI:ISO]
NCI-C00533
Chloropicrine [ISO-French]
NSC 8743
trichloro-nitromethane
1,1,1-trichloronitromethane
CCRIS 146
HSDB 977
Cl3CNO2
G 25
OG 25
UNII-I4JTX7Z7U2
EINECS 200-930-9
I4JTX7Z7U2
Chloropicrin, liquid
EPA Pesticide Chemical Code 081501
BRN 1756135
DTXSID0020315
CHEBI:39285
AI3-00027
Nitrotrichloromethane, Trichloronitromethane
NSC-8743
CHLOROPICRIN [MI]
CHLOROPICRIN [ISO]
CHLOROPICRIN [HSDB]
CHLOROPICRIN [MART.]
NA 1583 (Salt/Mix)
UN 1583 (Salt/Mix)
DTXCID00315
1,2-Diacylglycerol-LD-PS-pool
Nitromethane, 1,1,1-trichloro-
4-01-00-00106 (Beilstein Handbook Reference)
UN 1580
Chloropicrine (ISO-French)
CHLOROPICRIN (MART.)
CHLOROPICRIN, (LIQUID)
CHLOROPICRIN, [LIQUID]
Chlorpikrin [German]
Chloorpikrine [Dutch]
Chloropicrine [French]
Cloropicrina [Italian]
Aquinite
Trichlornitromethan [German]
Trichloornitromethaan [Dutch]
Chloropicrin, absorbed
Tricloro-nitro-metano [Italian]
UN1580
UN1583
Nitrochloroform; Chloropicrin; Trichloronitromethane; Acquinite
Vomiting gas
Agent PS
TCNM
Methane, (absorbed)
WLN: WNXGGG
NITROTRICHLORO METHANE
Chloropicrin (ACGIH:OSHA)
SCHEMBL75169
Nitrotrichloromethane (OSHA)
WLN: WNXGGG -ABSORBED
GTPL6292
CHEMBL1327143
Chloropicrin, analytical standard
NSC8743
CHLOROPICRIN, LIQUID (DOT)
Tox21_201570
Chloropicrin [UN1580] [Poison]
AKOS009031488
CAS-76-06-2
USEPA/OPP Pesticide Code: 081501
NCGC00090895-01
NCGC00090895-02
NCGC00090895-03
NCGC00259119-01
Chloropicrin 100 microg/mL in Acetonitrile
DB-056020
NS00002373
C18445
Q423065
Trichloronitromethane, PESTANAL(R), analytical standard