Difluoromethane

Modify Date: 2024-01-03 15:08:44

Difluoromethane structure	Common Name	Difluoromethane
	CAS Number	75-10-5	Molecular Weight	52.023
	Density	0.9±0.1 g/cm3	Boiling Point	-62.2±8.0 °C at 760 mmHg
	Molecular Formula	CH₂F₂	Melting Point	−136 °C(lit.)
	MSDS	N/A	Flash Point	-78.5±6.3 °C

Name	difluoromethane
Synonym	More Synonyms

Density	0.9±0.1 g/cm3
Boiling Point	-62.2±8.0 °C at 760 mmHg
Melting Point	−136 °C(lit.)
Molecular Formula	CH₂F₂
Molecular Weight	52.023
Flash Point	-78.5±6.3 °C
Exact Mass	52.012455
LogP	0.30
Vapour Pressure	13163.8±0.1 mmHg at 25°C
Index of Refraction	1.196

CHEMICAL IDENTIFICATION

RTECS NUMBER :: PA8537500

CHEMICAL NAME :: Methane, difluoro-

CAS REGISTRY NUMBER :: 75-10-5

LAST UPDATED :: 199806

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C-H2-F2

MOLECULAR WEIGHT :: 52.03

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LC - Lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >52 pph/4H

TOXIC EFFECTS :: Brain and Coverings - recordings from specific areas of CNS

REFERENCE :: FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 31,243,1996

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1810 gm/m3

TOXIC EFFECTS :: Behavioral - changes in motor activity (specific assay) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :: TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown Volume(issue)/page/year: (1),27,1996 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

DOSE :: 50000 ppm/6H

SEX/DURATION :: female 6-15 ? after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :: FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 31,243,1996

Hazard Codes	F:Flammable;
Risk Phrases	R11
Safety Phrases	S9-S16-S33
RIDADR	UN 3252 2.1
WGK Germany	1
RTECS	PA8537500
Hazard Class	2.1
HS Code	2903399090

Precursor 10
CAS#:75-09-2 Dichloromethane CAS#:593-70-4 Chlorofluoromethane CAS#:75-45-6 Difluorochlorom... CAS#:75-61-6 Dibromodifluoro...
CAS#:75-71-8 Dichlorodifluor... CAS#:1895-39-2 Sodium chlorodi... CAS#:74-97-5 Bromochloromethane CAS#:1052174-67-0 1-(difluoro(phe...
CAS#:7664-41-7 Ammonia CAS#:75-11-6 Diiodomethane
DownStream 10
CAS#:359-35-3 1,1,2,2-tetrafl... CAS#:359-11-5 trifluoroethylene CAS#:354-33-6 Pentafluoroethane CAS#:422-02-6 3-Chloro-1,1,1,...
CAS#:471-43-2 1,1-dichloro-2,... CAS#:677-56-5 Propane,1,1,1,2... CAS#:76-16-4 hexafluoroethane CAS#:1814-88-6 1,1,1,2,2-penta...
CAS#:75-73-0 Carbon tetrafluoride CAS#:75-46-7 Trifluoromethane

HS Code	2903399090
Summary	2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

MFCD00039283

F32

EINECS 200-839-4

Methane, difluoro-

Freon 32

CH2F2

R 32

methylene difluoride

CFC32

HFC-32

1,1-difluoro-methane

FC-32

methylene fluoride

HFA-32

Difluoromethane

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Difluoromethane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

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