295264
1,1-Difluoroethane
≥98%
Synonym(s):
HFC-152a
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About This Item
Linear Formula:
CH3CHF2
CAS Number:
Molecular Weight:
66.05
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12142100
EC Number:
200-866-1
MDL number:
Assay:
≥98%
InChI key
NPNPZTNLOVBDOC-UHFFFAOYSA-N
InChI
1S/C2H4F2/c1-2(3)4/h2H,1H3
SMILES string
CC(F)F
vapor density
2.28 (vs air)
assay
≥98%
bp
−25 °C (lit.)
mp
−117 °C (lit.)
functional group
fluoro
Quality Level
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:
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
signalword
Danger
hcodes
Hazard Classifications
Flam. Gas 1A - Press. Gas Liquefied gas
Storage Class
2A - Gases
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves
Regulatory Information
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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)
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
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
Kevin N Foster et al.
The Journal of burn care & rehabilitation, 24(4), 234-237 (2003-09-23)
A young female suffered burns to her hand after the ignition of gas from a compressed air duster. After debridement and dressing, the patient continued to have pain out of proportion to injury that was refractory to intravenous morphine. The
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