Toluene diisocyanate manufacturer Knowledge 1,1-Difluorotetrachloroethane 1,1-Difluorotetrachloroethane

1,1-Difluorotetrachloroethane 1,1-Difluorotetrachloroethane

1,1-difluorotetrachloroethane structural formula

Structural formula

Business number 01KT
Molecular formula C2Cl4F2
Molecular weight 203.83
label

1,1-difluoro-1,2,2,2-tetrachloroethane,

2,2-Difluorotetrachloroethane,

1,1,1,2-tetrachloro-2,2-difluoroethane,

1,2,2,2-tetrachloro-1,1-difluoroethane,

1,1-difluoro-1,2,2,2-tetrachloro-ethan,

2,2-difluoro-1,1,1,2-tetrachloro-ethan,

2,2-Difluorotetrachloroethane,

CFC-112a

Numbering system

CAS number:76-11-9

MDL number:MFCD00000798

EINECS number:200-934-0

RTECS number:KI1425000

BRN number:None

PubChem ID:None

Physical property data


1. Character: Uncertain


2. Density (g/mL,25/4℃): (20/4℃)1.65


3. Relative vapor density (g/mL,AIR=1): Unsure


4. Melting point (ºC):38 -40


5. Boiling point (ºC,Normal pressure):91


6. Boiling point (ºC,5.2kPa): Unsure


7. Refractive index: Uncertain


8. Flash Point (ºC): Unsure


9. Specific optical rotation (º): Unsure


10. Autoignition point or ignition temperature (ºC): Unsure


11. fo1; tab-stops: list 36.0pt” align=left>10. Isotope atoms Quantity: 0


11. Determine the number of atomic stereocenters:0


12. Uncertain number of atomic stereocenters:0


13. Determine the number of stereocenters of chemical bonds:0


14. Uncertain number of chemical bond stereocenters:0


15. Number of covalent bond units:1

Properties and stability

None

Storage method

This product should be sealed and stored in a cool and dry place.

Synthesis method

While stirring, quickly add anhydrous aluminum trichloride to the melted Freon112Medium, heat preservation Stir2-3h, then warm it up to 60-70℃, insulation filtration, fractionation of the filtrate, collection91-92℃Fraction, get2,2-Difluorotetrafluoroethylene Ethyl chloride. Yield70%.

Purpose

Intermediate of the pharmaceutical anesthetic methoxyflurane; can be used as foaming agent, propellant, and refrigerant.

E: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial”>Stir anhydrous aluminum trichloride Quickly add melted Freon112Medium, keep warm and stir2-3h, and then warm to 60-70℃, insulation filtration, filtrate fractionation, collection91-92℃Fraction, get2,2-Difluorotetrachloroethane. Yield70%.

Purpose

Intermediate of the pharmaceutical anesthetic methoxyflurane; can be used as foaming agent, propellant, and refrigerant.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/22597

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