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Merck
CN

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%
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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:

Legal Information

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

pictograms

FlameGas cylinder

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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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
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
Kaushal Joshi et al.
The American journal of forensic medicine and pathology, 38(2), 115-125 (2017-03-07)
Inhalant abuse is the intentional inhalation of chemical vapors to attain euphoric effects. Many common household products are abused by inhalation and one is 1,1-difluoroethane (DFE), which is a halogenated hydrocarbon used in refrigeration, dust-off spray, and airbrush painting. Although
Lena Ernstgård et al.
Toxicology letters, 225(1), 102-109 (2013-12-04)
Various hydrofluorocarbons (HFCs) have replaced the ozone-depleting chlorofluorocarbons and hydrochlorofluorocarbons during the last decades. The objective of this study was to examine the usefulness of blood and breath for exposure biomonitoring of HFCs. We compared data on blood and exhaled
Xiaochu Wang et al.
Langmuir : the ACS journal of surfaces and colloids, 22(22), 9251-9253 (2006-10-18)
Unusual sorption has been reported in thin polymer films exposed to near-critical CO2. When the supercritical fluid approaches the critical point, the film appears to thicken, but it is not clear whether the film swells or there is an adsorption

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