HFC
    ， HFC-23
    ， HFC-32
    ， HFC-125
    ， HFC-134a
    ， HFC-143a
    ， HFC-152a
    ， HFC-227ea
    ， HFC-236fa
    ， HFC-245fa
    ， HFC-365mfc
 
，Designation
HFC-32
， Complete name
Difluoromethane
， Formula
CH2F2
， CAS number
75-10-5
， Main applications
blend component for airconditioning equipment and commercial refrigeration
HCFC-141b
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