1,2-Difluoroethane

Modify Date: 2025-08-26 19:46:24

1,2-Difluoroethane structure	Common Name	1,2-Difluoroethane
	CAS Number	624-72-6	Molecular Weight	66.05000
	Density	0.913 g/cm3	Boiling Point	31ºC
	Molecular Formula	C₂H₄F₂	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	1,2-Difluoroethane
Synonym	More Synonyms

Density	0.913 g/cm3
Boiling Point	31ºC
Molecular Formula	C₂H₄F₂
Molecular Weight	66.05000
Exact Mass	66.02810
LogP	0.92540
Index of Refraction	1.254

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KI1410500

CHEMICAL NAME :: Ethane, 1,2-difluoro-

CAS REGISTRY NUMBER :: 624-72-6

BEILSTEIN REFERENCE NO. :: 1730859

LAST UPDATED :: 199806

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C2-H4-F2

MOLECULAR WEIGHT :: 66.06

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 75 ppm/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

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

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 977 gm/m3/2H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1000 ppm/20M/5D-I

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Related to Chronic Data - death

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3000 ppm/20M/3D-I

TOXIC EFFECTS :: Related to Chronic Data - death

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 50 pph/72H (Continuous)

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 72,15,1984

Hazard Codes	T: Toxic;F: Flammable;
Risk Phrases	R12
Safety Phrases	3/7-9-16-33
RIDADR	UN 3161
HS Code	2903399090

Precursor 10
CAS#:6315-52-2 1,2-bis(tosylox... CAS#:383-50-6 2-Fluoroethyl 4... CAS#:106-93-4 1,2-Dibromoethane CAS#:107-21-1 Ethylene glycol
CAS#:54509-73-8 ethene CAS#:624-73-7 1,2-Diiodoethane CAS#:13709-36-9 Xenon difluoride CAS#:107-06-2 dichloroethane
CAS#:762-49-2 1-Bromo-2-fluor... CAS#:371-62-0 2-Fluoroethanol
DownStream 10
CAS#:75-73-0 Carbon tetrafluoride CAS#:354-33-6 Pentafluoroethane CAS#:76-19-7 perfluoropropane CAS#:359-35-3 1,1,2,2-tetrafl...
CAS#:431-06-1 1,2-dichloro-1,... CAS#:354-15-4 1,2-Difluoro-1,... CAS#:76-12-0 1,2-difluorotet... CAS#:338-64-7 1-chloro-1,2-di...
CAS#:1842-05-3 1,1-Dichloro-1,... CAS#:107-21-1 Ethylene glycol

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%

1,2-difluoroethane

MFCD00039286

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Product Name: 1,2-Difluoroethane
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Purity: 98.0%
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