R152A

Description

R152A · CAS 25497-28-3 · C2H4F2. UNII 0B1U8K2ME0. Boiling Point: 52.3 °F at 760 mmHg (USCG, 1999); Boiling Point: -24.05 °C; Boiling Point: -24.7 °C.

Identification

CAS Registry Number	25497-28-3
PubChem CID	6368
Molecular formula	C2H4F2
IUPAC name	1,1-difluoroethane
UNII (FDA)	0B1U8K2ME0

Computed Descriptors

Molecular Weight	66.05
XLogP3	1.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	66.02810645
Monoisotopic Mass	66.02810645
Topological Polar Surface Area	0
Heavy Atom Count	4
Formal Charge	0

Physical & Chemical Properties

Boiling Point	52.3 °F at 760 mmHg (USCG, 1999)
Boiling Point	-24.05 °C
Boiling Point	-24.7 °C
Boiling Point	-26.5 °C @760 [mm Hg]
Melting Point	-179 °F (USCG, 1999)
Melting Point	-118.6 °C
Melting Point	-117 °C
Flash Point	< -50 °C (open cup)
Solubility	In water, 3.2X10+3 mg/L at 25 °C
Density	0.896 c/cu cm at 25 °C, >1 atm

Physical description & handling notes

• Liquid; Gas Vapor; Liquid; Gas Vapor; CBI
• Highly flammable, odorless gas shipped as a liquid under pressure; [CAMEO]
• COLOURLESS ODOURLESS COMPRESSED LIQUEFIED GAS.
• Colorless gas
• Odorless
• Flammable gas

Regulatory Status

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (Hydrofluorocarbon 152a) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Propellant
GHS notification summary	0.7% (5 / 678)

GHS Hazard Classification

GHS notification summary	0.7% (5 / 678)
Reported hazard statements	H220 (95%), H280 (77.9%), H336

Documented Uses

• CIR ingredient: Hydrofluorocarbon 152a
• Used as a chemical intermediate, refrigerant, and propellant; [HSDB]
• Intermediate to vinyl fluoride.
• HFC 152a is a specialty liquified hydrofluorocarbon gas. It is used as an intermediate in the production of fluorinated polymers, as an aerosol propellant in some specialty applications, and as a component in some refrigerant blends.
• Approximately 80% of HFC-152a is used as an aerosol propellant and approximately 15% is used as a foam expansion agent. The remaining 5% of the HFC-152a is for other potential uses, which include refrigeration blends and catalyst regeneration.
• Energy Releasers (explosives, motive propellant)

Synonyms

1,1-DIFLUOROETHANE; 75-37-6; Ethylidene fluoride; Ethylidene difluoride; Ethane, 1,1-difluoro-; HFC-152a; Genetron 152a; Algofrene type 67; Freon 152a; Propellant 152a; Halocarbon 152A; Refrigerant 152a; Genetron 100; Ethylene fluoride; Dymel 152A; Dymel 152

Frequently Asked Questions

What are the CAS number and molecular formula of R152A?

CAS 25497-28-3; molecular formula C2H4F2; molecular weight — g/mol.

What other names is R152A known by?

1,1-DIFLUOROETHANE, 75-37-6, Ethylidene fluoride, Ethylidene difluoride, Ethane, 1,1-difluoro-, HFC-152a.

What is the regulatory status of R152A?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; CIR / INCI: Cosmetic ingredients (Hydrofluorocarbon 152a) -> CIR (Cosmetic Ingredient Review).

Is R152A classified as hazardous?

0.7% of GHS notifications report no hazard classification (5 of 678).

What are the key physical properties of R152A?

Boiling Point: 52.3 °F at 760 mmHg (USCG, 1999); Boiling Point: -24.05 °C; Boiling Point: -24.7 °C; Boiling Point: -26.5 °C @760 [mm Hg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.