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1,1-Dichloro-1,2-difluoroethane, commonly known as "Freon 132a" or "R-132a", is a chlorofluorocarbon (CFC) compound that was widely used in the 20th century for its refrigerant properties. It is a volatile liquid at room temperature, which readily boils into a colorless, non-flammable gas. 1,1-DICHLORO-1,2-DIFLUOROETHANE is moderately soluble in water and has a slightly sweet, ethereal odor. However, due to its high potential to cause ozone depletion, its production and use have been greatly limited in recent years under the Montreal Protocol. It is hazardous if inhaled and can cause irritation to skin, eyes, and mucous membranes.

1842-05-3

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1842-05-3 Usage

Uses

Used in Refrigeration Industry:
1,1-Dichloro-1,2-difluoroethane is used as a refrigerant for its ability to boil readily into a colorless, non-flammable gas at room temperature. Its refrigerant properties made it a popular choice in the refrigeration industry before its environmental impact was recognized.
Used in Chemical Manufacturing:
1,1-Dichloro-1,2-difluoroethane is used as a raw material for the manufacture of other chemicals. Its versatility in chemical reactions and properties as a chlorofluorocarbon compound contributed to its use in the chemical industry.
Note: Due to the environmental concerns and restrictions under the Montreal Protocol, the use of 1,1-Dichloro-1,2-difluoroethane has been significantly reduced, and alternative, more environmentally friendly substances are now preferred in these applications.

Check Digit Verification of cas no

The CAS Registry Mumber 1842-05-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,4 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1842-05:
(6*1)+(5*8)+(4*4)+(3*2)+(2*0)+(1*5)=73
73 % 10 = 3
So 1842-05-3 is a valid CAS Registry Number.
InChI:InChI=1/C2H2Cl2F2/c3-2(4,6)1-5/h1H2

1842-05-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,1-Dichloro-1,2-difluoroethane

1.2 Other means of identification

Product number -
Other names 1,1-DICHLORO-1,2-DIFLUOROETHANE

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1842-05-3 SDS

1842-05-3Downstream Products

1842-05-3Relevant academic research and scientific papers

The chlorination of 1,2-difluoroethane (HFC-152)

Nappa, Mario J.,Sievert, Allen C.

, p. 111 - 118 (1993)

The photochlorination of CH2FCH2F yields CH2FCCl2F and CHClFCHClF, both of which were considered to be potential replacements for CFC-113 (CCl2FCF2Cl) based on their boiling points (48 deg C and 59 deg C, respectively).The CHClFCHClF/CH2FCCl2F ratio can be controlled by the choice of solvents.In aromatic solvents, the reactivity of the chlorine radical is reduced, increasing the amount of CH2FCCl2F produced.Relative rates in CCl4 and in the presence of water were compared to rates in aromatic solvents.Both CH2FCCl2F and CHClFCHClF failed in early toxicity tests and will thus not be pursued as HCFC replacements for CFC-113.

REACTIONS OF HALOGEN FLUORIDES XII. REACTION OF BROMINE TRIFLUORIDE WITH BROMINE-CONTAINING ESTERS. A NEW METHOD FOR THE SYNTHESIS OF FLUOROALKYL 2-FLUOROACRYLATES

Kartashov, A. V.,Chuvatkin, N. N.,Boguslavskaya, L. S.

, p. 2243 - 2248 (2007/10/02)

Being weak Lewis bases, esters reduce the reactivity of bromine trifluoride in the substitutive fluorination of organic bromine derivatives.For this reason the rate of the reaction of bromine trifluoride with bromine-containing esters depends not only on the electronic characteristics of the substituents at the reaction center but also on the basicity of the ester.As a rule, the selectivity of the reaction increases with increase in the basicity of the ester.The reaction of bromine trifluoride or chlorine monofluoride with fluoroalkyl 2,3-dibromopropionates can be used successfully for the synthesis of monomers (fluoroalkyl 2-fluoroacrylates).

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