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Substance Name: Difluoromethane
RN: 75-10-5
UNII: 77JW9K722X
InChIKey: RWRIWBAIICGTTQ-UHFFFAOYSA-N

Classification Code

  • Reproductive Effect

Molecular Formula

  • C-H2-F2

Molecular Weight

  • 52.0228
 
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Names and Synonyms

Name of Substance

  • Difluoromethane

Synonyms

  • Carbon fluoride hydride
  • Difluoromethane
  • EC 200-839-4
  • EINECS 200-839-4
  • Freon 32
  • Genetron 32
  • HFC 32
  • HFC-32
  • HSDB 8300
  • Khladon 32
  • Khladon 32 [Russian]
  • Methylene difluoride
  • R 32 (refrigerant)
  • UNII-77JW9K722X

Systematic Names

  • Difluoromethane
  • Methane, difluoro-

Superlist Names

  • Difluoromethane or Refrigerant gas R 32
  • Difluoromethane or Refrigerant gas R 32 [UN3252] [Flammable gas]
  • UN3252

Registry Numbers

CAS Registry Number

  • 75-10-5

FDA UNII

  • 77JW9K722X

System Generated Number

  • 0000075105

Structure Descriptors

InChI

1S/CH2F2/c2-1-3/h1H2

InChIKey

RWRIWBAIICGTTQ-UHFFFAOYSA-N

Smiles

C(F)F

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 1810gm/m3 (1810000mg/m3) BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION

BEHAVIORAL: ATAXIA
Toksikologicheskii Vestnik. Vol. (1), Pg. 27, 1996.
rat LC50 inhalation 1890gm/m3/4H (1890000mg/m3)   Toksikologicheskii Vestnik. Vol. (3), Pg. 25, 1996.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -1.36E+02 deg C   EXP
Boiling Point -5.16E+01 deg C   EXP
log P (octanol-water) 0.2 (none)   EXP
Water Solubility 1.66E+04 mg/L 25 EST
Vapor Pressure 1.26E+04 mm Hg 25 EXP
Henry's Law Constant 0.292 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.09E-14 cm3/molecule-sec 25 EXP

Physical property data is provided to ChemIDplus by SRC, Inc.