295213
Dichlorofluoromethane
98%
Synonym(s):
Freon® 21
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About This Item
Linear Formula:
FCHCl2
CAS Number:
Molecular Weight:
102.92
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12142100
EC Number:
200-869-8
MDL number:
Assay:
98%
vapor density
3.57 (vs air)
Quality Level
vapor pressure
1,193 mmHg ( 21 °C)
assay
98%
autoignition temp.
1022 °F
bp
8.9 °C (lit.)
mp
−135 °C (lit.)
SMILES string
FC(Cl)Cl
InChI
1S/CHCl2F/c2-1(3)4/h1H
InChI key
UMNKXPULIDJLSU-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:
Compatible with the following:
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Freon is a registered trademark of E. I. du Pont de Nemours and Company
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
signalword
Warning
hcodes
pcodes
Hazard Classifications
Ozone 1 - Press. Gas Liquefied gas
Storage Class
2A - Gases
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Gloves, multi-purpose combination respirator cartridge (US)
Regulatory Information
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Sofie N Delanoye et al.
Journal of the American Chemical Society, 124(25), 7490-7498 (2002-06-20)
Complexes of haloforms of the type HCCl(n)F(3-)(n) (n = 1-3) with dimethyl ether have been studied in liquid argon and liquid krypton, using infrared spectroscopy. For the haloform C[bond]H stretching mode, the complexation causes blue shifts of 10.6 and 4.8
F G Carpenter
The American journal of physiology, 260(3 Pt 2), R540-R545 (1991-03-01)
The minimum ambient partial pressure required to reversibly disrupt conducted responses in myelinated nerve fibers (Pblock) was determined for 11 gases and chloroform. For all but one substance, Pblock was inversely proportional to their nonaqueous solubility; large-diameter fibers were less
H Peter et al.
Archives of toxicology, 58(4), 282-283 (1986-04-01)
Inhalation pharmacokinetics of dichlorofluoromethane (CFC 21) and chlorodifluoromethane (CFC 22) were studied in male Wistar rats by use of a closed inhalation chamber system. CFC 21 was readily eliminated via metabolism. However, CFC 22 underwent no detectable metabolism; pretreatment of