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HFC-32 (Difluoromethane)

Identification

Synonyms: Difluoromethane; R-32;  Hydrofluorocarbon 32; HFC32
CAS No.: 75-10-5   EC No.: 200-839-4   RTECS No.: 8537500
Molecular Weight:  52.024
Molecular Formula: CH2F2
Structural Formula: HFC-32 (Difluoromethane)
m.p.: -136°C
b.p.: -51.6°C
Vapor pressure: 1.52Mpa at 70°F (21.1°C)
ODP: 0
GWP: 550 (CO2=1)

Preparation

HFC-32 can be made by fluoridation reaction between Dichloromethane and hydrofluoric acid

Application

1) HFC-32 is used as a component of azeotropic blend such as R-407a (with 20% HFC-32), R-407b (with 10% HFC-32), R-407c (with 23% HFC-32), R-410a (with 50% HFC-32), and R-410b (with 45% HFC-32)
2) Also used in plasma etching of silicon layers.

Specification*

Items Specification
HCFC-32 purity, % 99.8 min.

moisture, mg/kg 10 max.
Acidity, mg/kg 1 max.

Standard Packaging

670kgs/steel cylinder

Packaging photos coming soon

Risks and Safety Information

HFC-32 is regulated by UN as flammable compressed gas with UN 3252, Class 2.1, PG: unknown
R-Phrase: R12
S-Phrase: S9, S16, S23
High GWP gas!
For more information, please see MSDS

Warning, flammable gas

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