318043
Difluoromethane
99.7%
Synonym(s):
HFC-32
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About This Item
Linear Formula:
CH2F2
CAS Number:
Molecular Weight:
52.02
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12142100
EC Number:
200-839-4
MDL number:
Assay:
99.7%
InChI key
RWRIWBAIICGTTQ-UHFFFAOYSA-N
InChI
1S/CH2F2/c2-1-3/h1H2
SMILES string
FCF
assay
99.7%
bp
−51.6 °C (lit.)
mp
−136 °C (lit.)
density
1.1 g/mL at 25 °C (lit.)
functional group
fluoro
Quality Level
Other Notes
Brass hose adapter Z146811 or brass body mini gas regulator Z513539 is recommended.
signalword
Danger
hcodes
pcodes
Hazard Classifications
Flam. Gas 1 - Press. Gas Compr. Gas
Storage Class
2A - Gases
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)
Regulatory Information
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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)
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
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)
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)
Heonki Kim et al.
Environmental science & technology, 41(1), 235-241 (2007-02-03)
In this laboratory study, a new experimental method involving the use of a set of four gaseous tracers, was developed for measuring the NAPL saturation directly accessible to the mobile gas as well as the total NAPL saturation in unsaturated
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