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318043

Sigma-Aldrich

Difluoromethane

99.7%

Synonym(s):

HFC-32

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About This Item

Linear Formula:
CH2F2
CAS Number:
75-10-5
Molecular Weight:
52.02
EC Number:
200-839-4
MDL number:
MFCD00039283
UNSPSC Code:
12142100
PubChem Substance ID:
24859112
NACRES:
NA.22

Assay

99.7%

bp

−51.6 °C (lit.)

mp

−136 °C (lit.)

density

1.1 g/mL at 25 °C (lit.)

SMILES string

FCF

InChI

1S/CH2F2/c2-1-3/h1H2

InChI key

RWRIWBAIICGTTQ-UHFFFAOYSA-N

Recommended products

Brass hose adapter Z146811 or brass body mini gas regulator Z513539 is recommended.

hose barb

Product No.
Description
Pricing

Z146811

Hose adapter, brass

regulator

Product No.
Description
Pricing

Pictograms

FlameGas cylinder
GHS02,GHS04

Signal Word

Danger

Hazard Statements

H220,H280

Precautionary Statements

P410 + P403

Hazard Classifications

Flam. Gas 1 - Press. Gas Compr. 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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

318043-BULK:
318043-25G:
318043-VAR:
318043-100G:

Certificates of Analysis (COA)

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Bifurcated CH2 ... O and (C-H)2 ... F-C weak hydrogen bonds: the oxirane-difluoromethane complex.
Susana Blanco et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 5(11), 1779-1782 (2004-12-08)
Jason M Keller et al.
Environmental science & technology, 37(14), 3141-3144 (2003-08-07)
Field-scale tests were performed to evaluate the effectiveness of the gas-phase partitioning tracer method for in-situ measurement of soil-water content. The tracer tests were conducted before and after a controlled infiltration event to evaluate performance at two water contents. Nonpartitioning
Titus V Albu et al.
Journal of molecular modeling, 13(11), 1109-1121 (2007-08-21)
Accurate potential energy surfaces for the OH + CH2F2 --> H2O + CHF2 reaction are constructed using hybrid and hybrid meta density functional theory methods (mPW1PW91, B1B95, and mPW1B95) with specific reaction parameters in conjunction with the 6-31 + G(d,p)
Difluoroallenyl bromide as a wide-ranging difluoromethylene cation equivalent: SN2 substitution of difluoropropargyl bromide through sequential SE2' and SN2' reactions.
Bo Xu et al.
Angewandte Chemie (International ed. in English), 44(45), 7404-7407 (2005-10-22)
M K Ellis et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 31(2), 243-251 (1996-06-01)
Difluoromethane (HFC32) is under development as a replacement for chlorofluorocarbons (CFCs) in some refrigeration applications. It has been evaluated by standard studies of toxicity, developmental toxicity, and genotoxicity. In addition, the metabolism and disposition of HFC32 was investigated and a
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