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295264

Sigma-Aldrich

1,1-Difluoroethane

≥98%

Synonym(s):

HFC-152a

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About This Item

Linear Formula:
CH3CHF2
CAS Number:
Molecular Weight:
66.05
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22

vapor density

2.28 (vs air)

Quality Level

Assay

≥98%

bp

−25 °C (lit.)

mp

−117 °C (lit.)

functional group

fluoro

SMILES string

CC(F)F

InChI

1S/C2H4F2/c1-2(3)4/h2H,1H3

InChI key

NPNPZTNLOVBDOC-UHFFFAOYSA-N

Packaging

Supplied in a Sure/Pac cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve.

Compatible with the following:

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC

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Pictograms

FlameGas cylinder

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Flam. Gas 1A - Press. Gas Liquefied gas

Storage Class Code

2A - Gases

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number

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Chris Vance et al.
Journal of analytical toxicology, 36(9), 626-633 (2012-10-05)
Intentional abuse of 1,1-difluoroethane has been reported to cause transient symptoms such as confusion, tremors, pulmonary irritation, loss of consciousness and, rarely, coma. In the last five years, 17 cases from the San Diego County Medical Examiner's Office showed the
Peter C Kurniali et al.
The American journal of emergency medicine, 30(1), 265-265 (2011-02-08)
Inhalant abuse is the intentional inhalation of chemical vapors or volatile substance to achieve a euphoric effect. Although no statistical data are reported yet, inhalant abuse is potentially life-threatening and has resulted in a wide range of toxic effects such
D A Kuspis et al.
Journal of toxicology. Clinical toxicology, 37(7), 873-875 (2000-01-12)
A serious but rarely reported complication of halogenated hydrocarbon inhalation abuse is severe mucosal frostbite. A 16-year-old male attempted to "get high" by inhaling airbrush propellant which contained 1,1-difluoroethane (CAS #75-376). The patient lost consciousness and upon awakening his lips
L A Broussard et al.
Journal of forensic sciences, 42(6), 1186-1187 (1997-12-16)
The 18-year-old white male driver and 17-year-old white male passenger of an automobile were killed when their vehicle crossed the median of a 4-lane highway and collided with a minivan. A can of airbrush propellant was found in the automobile
Kentaro Sakai et al.
Forensic science international, 206(1-3), e58-e61 (2010-09-30)
Spray cleaner is a cleaning product containing compressed 1,1-difluoroethane (HFC-152a) to blow dust off electric devices and other sensitive equipment; however, it is also inhaled to induce euphoria. This report describes three cases of death involving HFC-152a inhalation with spray

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