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1,1,1-Trifluoro-2,2,3,3,3-pentachloro-propane, also known as HFC-235da, is a halogenated organic compound characterized by the presence of five chlorine and three fluorine atoms. It is recognized for its high potency as a greenhouse gas and its role as an ozone-depleting substance, with a global warming potential significantly greater than that of carbon dioxide.

1652-89-7

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1652-89-7 Usage

Uses

Used in the Production of Polyurethane Insulation and Foam Products:
1,1,1-Trifluoro-2,2,3,3,3-pentachloro-propane is utilized as a foam-blowing agent in the manufacturing process of polyurethane insulation and foam products. It aids in creating lightweight and efficient insulating materials that are valued for their thermal insulation properties.
Used in Air Conditioning Systems:
In the air conditioning industry, 1,1,1-trifluoro-2,2,3,3,3-pentachloro-propane serves as a refrigerant. It is chosen for its ability to transfer heat efficiently in refrigeration cycles, contributing to the cooling performance of these systems.
Environmental Considerations:
Given the significant environmental impact of 1,1,1-trifluoro-2,2,3,3,3-pentachloro-propane, including its contribution to global warming and ozone depletion, there is a concerted effort to phase out its use. The industry is actively seeking and developing more environmentally friendly alternatives to mitigate the compound's detrimental effects on the atmosphere.

Check Digit Verification of cas no

The CAS Registry Mumber 1652-89-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,5 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1652-89:
(6*1)+(5*6)+(4*5)+(3*2)+(2*8)+(1*9)=87
87 % 10 = 7
So 1652-89-7 is a valid CAS Registry Number.
InChI:InChI=1/C3Cl5F3/c4-1(5,2(6,7)8)3(9,10)11

1652-89-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,1,1-TRIFLUORO-2,2,3,3,3-PENTACHLORO-PROPANE

1.2 Other means of identification

Product number -
Other names Propane,1,1,1,2,2-pentachloro-3,3,3-trifluoro

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:1652-89-7 SDS

1652-89-7Relevant academic research and scientific papers

PHOTOCHEMICAL REDUCTION OF CARBON-HALOGEN BONDS. 3. REGIOSELECTIVITY OF THE REACTION IN FLUORINATED HALOGENOPROPANOATES.

Paleta, O.,Dadak, V.,Dedek, V.,Timpe, H.-J.

, p. 397 - 414 (1988)

The ester group exhibits a strong directive effect in the photochemical reduction of a carbon-halogen bond and directs the reduction in perhalogenated chlorofluoropropanoates of the type CFXY-CClZ-COOR (X,Y,Z = Cl, F) to the α-position in the acyl part of an ester.The reduction takes place with the same regioselectivity even in esters CFCl2-CHCl-COOR (10).In esters containing an α -CCl2- group the reductions to the first and the second stages can be separated and the individual reduction products can be obtained preparatively.The α C-F bond is more difficult to reduce and therefore in the ester CFCl2-CHF-COOR (11) the β C-Cl bond was reduced specifically and in the ester CF2Cl-CHF-COOR (12) both the α C-F bond and the β C-Cl bond were reduced parallely.The relative reactivity of fluorinated halogenopropanoates with an α C-Cl bond showed only small differences in the reduction with 2-propanol in the presence of acetone as a sensitiser; the quantum yield Φ reached values of about 28-35 under kinetic measurements and thus proved the existence of a chain radical mechanism.

Method for preparing 3,3,3-trichloro-1,1,1-trifluoropropane through gas-phase catalytic chlorination

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Paragraph 0032-0043, (2021/06/22)

The invention discloses a method for preparing 3,3,3-trichloro-1,1,1-trifluoropropane through gas-phase catalytic chlorination through gas-phase catalytic chlorination. The method comprises the following step: under the action of a catalyst, subjecting 3,3-dichloro-1,1,1-trifluoropropane and chlorine serving as raw materials to a gas-phase catalytic chlorination reaction in a catalyst bed layer, wherein the catalyst is a molecular sieve, and the molecular sieve is at least one selected from ZSM-5, 5A, MCM-41, a beta type molecular sieve and a Y type molecular sieve. The molecular sieve which is cheap and easy to obtain is used as the catalyst, the reaction is carried out under a gas phase condition, and the method has the advantages of high space time yield, simple process, safe operation, low production cost and the like.

Thermal chlorofluorination of propyne and propadiene

Belter, Randolph K.

, p. 1611 - 1615 (2008/09/18)

Propyne and propadiene have been found to readily undergo vapor phase catalyzed chlorofluorination. At temperatures to 285 °C, the reaction forms mixtures of C3F4Cl4 isomers that differ in composition from mixtures obtained from either propane or propene.

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