Dichlorofluoromethane information

Dichlorofluoromethane
Names
	Preferred IUPAC name Dichloro(fluoro)methane
	Other names Dichlorofluoromethane; Fluorodichloromethane; Monofluorodichloromethane; Dichloromonofluoromethane; Freon 21; Refrigerant 21; R 21; HCFC 21; Algofrene Type 5; Arcton 7; Halon 112; UN 1029; Genetron 21
Identifiers
CAS Number	75-43-4 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL116813 ;
ChemSpider	6130 ;
ECHA InfoCard	100.000.791
EC Number	200-869-8;
PubChem CID	6370;
RTECS number	PA8400000;
UNII	7GAO4CRJ0B ;
UN number	1029
CompTox Dashboard (EPA)	DTXSID7052498 ;
	InChI InChI=1S/CHCl2F/c2-1(3)4/h1H Key: UMNKXPULIDJLSU-UHFFFAOYSA-N ; InChI=1/CHCl2F/c2-1(3)4/h1H Key: UMNKXPULIDJLSU-UHFFFAOYAU;
	SMILES ClC(Cl)F;
Properties
Chemical formula	CHCl2F
Molar mass	102.92 g/mol
Appearance	Colorless gas
Odor	Ether-like
Density	1.405 kg/m3 at 9 °C; 1.366 kg/m3 at 25 °C;
Melting point	−135 °C (−211 °F; 138 K)
Boiling point	8.92 °C (48.06 °F; 282.07 K)
Solubility in water	9.420 g/L at 30 °C
log P	1.55
Vapor pressure	160 kPa
Henry's law; constant (kH)	0.19 (mol·kg·bar)−1
Magnetic susceptibility (χ)	−48.8·10−6 cm3/mol
Thermal conductivity	0.0086 W/m·K (300 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H280, H420
Precautionary statements	P410+P403, P502
Flash point	Non-flammable
Autoignition; temperature	522 °C (972 °F; 795 K)
	Lethal dose or concentration (LD, LC):
LC50 (median concentration)	>800,000 mg/m3 (mouse, 2 hr); 49,900 ppm (rat, 4 hr);
LCLo (lowest published)	100,000 ppm (guinea pig, <1 hr); 100,000 ppm (mouse, <1 hr);
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 1000 ppm (4200 mg/m3)
REL (Recommended)	TWA 10 ppm (40 mg/m3)
IDLH (Immediate danger)	5000 ppm
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Dichlorofluoromethane or Freon 21 or R 21 is a halomethane or hydrochlorofluorocarbon with the formula CHCl₂F. It is a colorless and odorless gas. It is produced by fluorination of chloroform using a catalyst such as antimony trifluoride:^[4]

CHCl₃ + HF → CHCl₂F + HCl

^ ^a ^b ^c ^d ^e NIOSH Pocket Guide to Chemical Hazards. "#0197". National Institute for Occupational Safety and Health (NIOSH).
^ Touloukian, Y.S., Liley, P.E., and Saxena, S.C. Thermophysical properties of matter - the TPRC data series. Volume 3. Thermal conductivity - nonmetallic liquids and gases. Data book. 1970.
^ ^a ^b "Dichloromonofluoromethane". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
^ Cite error: The named reference Ullmann was invoked but never defined (see the help page).

[PGCH-1] NIOSH Pocket Guide to Chemical Hazards. "#0197". National Institute for Occupational Safety and Health (NIOSH).

[2] Touloukian, Y.S., Liley, P.E., and Saxena, S.C. Thermophysical properties of matter - the TPRC data series. Volume 3. Thermal conductivity - nonmetallic liquids and gases. Data book. 1970.

[IDLH-3] "Dichloromonofluoromethane". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).

[Ullmann-4] Cite error: The named reference Ullmann was invoked but never defined (see the help page).

Dichlorofluoromethane information

and 11 Related for: Dichlorofluoromethane information

Dichlorofluoromethane

Halon

Chlorofluorocarbon

Chloroform

List of gases

Flammability limit

List of refrigerants

List of UN numbers 1001 to 1100

Chlorofluoromethane

R21

Fluoroform

Names

Preferred IUPAC name Dichloro(fluoro)methane
Other names Dichlorofluoromethane Fluorodichloromethane Monofluorodichloromethane Dichloromonofluoromethane Freon 21 Refrigerant 21 R 21 HCFC 21 Algofrene Type 5 Arcton 7 Halon 112 UN 1029 Genetron 21
Identifiers
CAS Number	75-43-4^Y
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL116813^Y
ChemSpider	6130^Y
ECHA InfoCard	100.000.791
EC Number	200-869-8
PubChem CID	6370
RTECS number	PA8400000
UNII	7GAO4CRJ0B^Y
UN number	1029
CompTox Dashboard (EPA)	DTXSID7052498
InChI InChI=1S/CHCl2F/c2-1(3)4/h1H^Y Key: UMNKXPULIDJLSU-UHFFFAOYSA-N^Y InChI=1/CHCl2F/c2-1(3)4/h1H Key: UMNKXPULIDJLSU-UHFFFAOYAU
SMILES ClC(Cl)F
Properties
Chemical formula	CHCl₂F
Molar mass	102.92 g/mol
Appearance	Colorless gas
Odor	Ether-like^[1]
Density	1.405 kg/m³ at 9 °C 1.366 kg/m³ at 25 °C
Melting point	−135 °C (−211 °F; 138 K)
Boiling point	8.92 °C (48.06 °F; 282.07 K)
Solubility in water	9.420 g/L at 30 °C
log P	1.55
Vapor pressure	160 kPa
Henry's law constant (k_H)	0.19 (mol·kg·bar)⁻¹
Magnetic susceptibility (χ)	−48.8·10⁻⁶ cm³/mol
Thermal conductivity	0.0086 W/m·K (300 K)^[2]
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H280, H420
Precautionary statements	P410+P403, P502
Flash point	Non-flammable^[1]
Autoignition temperature	522 °C (972 °F; 795 K)
Lethal dose or concentration (LD, LC):
LC₅₀ (median concentration)	>800,000 mg/m³ (mouse, 2 hr) 49,900 ppm (rat, 4 hr)^[3]
LC_Lo (lowest published)	100,000 ppm (guinea pig, <1 hr) 100,000 ppm (mouse, <1 hr)^[3]
NIOSH (US health exposure limits):
PEL (Permissible)	TWA 1000 ppm (4200 mg/m³)^[1]
REL (Recommended)	TWA 10 ppm (40 mg/m³)^[1]
IDLH (Immediate danger)	5000 ppm^[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references