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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)

Assay

≥98%

bp

−25 °C (lit.)

mp

−117 °C (lit.)

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Joseph Avella et al.
Journal of analytical toxicology, 34(7), 381-388 (2010-09-09)
1,1-Difluoroethane (DFE) is a halogenated hydrocarbon used as a propellant in products designed for dusting electronic equipment and air brush painting. When abused, inhaled DFE produces intoxication and loss of muscular coordination. To investigate DFE toxicokinetics, groups (n = 3)
K S Sidhu et al.
Veterinary and human toxicology, 31(1), 63-64 (1989-02-01)
A veterinary technician while opening a package was accidentally exposed to a commercial canned product formulation containing insecticides and solvents. The patient was twice briefly treated and released as an outpatient from 2 different hospitals on the first and second
E Gridelet et al.
The journal of physical chemistry. A, 109(37), 8225-8235 (2006-07-13)
The kinetic energy release distributions (KERDs) for the fluorine atom loss from the 1,1-difluoroethene cation have been recorded with two spectrometers in two different energy ranges. A first experiment uses dissociative photoionization with the He(I) and Ne(I) resonance lines, providing
Timothy Hahn et al.
Journal of analytical toxicology, 30(8), 638-642 (2006-11-30)
A 24-year-old female driver with a history of substance abuse was pronounced dead following a single car motor vehicle accident. A surviving front seat passenger witnessed the decedent inhaling "Dust Off" cleaner just prior to losing control of the vehicle.
Hui Xu et al.
Physical chemistry chemical physics : PCCP, 9(31), 4164-4176 (2007-08-10)
This paper reports measurements of the thermal dissociation of 1,1-difluoroethane in the shock tube. The experiments employ laser-schlieren measurements of rate for the dominant HF elimination using 10% 1,1-difluoroethane in Kr over 1500-2000 K and 43 < P < 424

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