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Difluoromethane
Difluoromethane
- CAS:
- 75-10-5
- MF:
- CH2F2
- MW:
- 52.02
Properties
- Melting point:
- −136 °C(lit.)
- Boiling point:
- −51.6 °C(lit.)
- Density
- 1.1 g/mL at 25 °C(lit.)
- refractive index
- 1.1960
Safety Information
- Symbol(GHS)
GHS02,GHS07,GHS04
- Signal word
- Danger
- Hazard statements
- H220-H315-H319-H335
- Precautionary statements
- P210-P280
- Hazard Codes
- F,F+
- Risk Statements
- 11-12
- Safety Statements
- 9-16-33
- RIDADR
- UN 3252 2.1
- WGK Germany
- 1
- RTECS
- PA8537500
- Hazard Note
- Flammable
- TSCA
- T
- HazardClass
- 2.1
- HS Code
- 2903392100
- Toxicity
- LC50 inhalation in mouse: 1810gm/m3
Use
Difluoromethane is a refrigerant, as substitute for R-502, or used respectively with HFC-134a,HFC-152a to form mixed refrigerants in replace of HCFC-22. Also used as a dry etching agent.
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