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CAS

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431-81-2

1,1,1,2-Tetrachloro-3,3,3-trifluoropropane, also known as CCl3CF2CCl3, is a chlorofluorocarbon (CFC) compound consisting of three carbon atoms, four chlorine atoms, and three fluorine atoms. It is a colorless, volatile liquid with a high boiling point and low solubility in water. This chemical is known for its high stability, low reactivity, and resistance to degradation, which makes it useful in various industrial applications such as refrigerants, aerosol propellants, and solvents. However, due to its potential to deplete the ozone layer and contribute to global warming, the production and use of 1,1,1,2-tetrachloro-3,3,3-trifluoropropane have been phased out under the Montreal Protocol to protect the environment and public health.

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  • 431-81-2 Structure

  • Basic information

    1. Product Name: 1,1,1,2-tetrachloro-3,3,3-trifluoropropane
    2. Synonyms:
    3. CAS NO:431-81-2
    4. Molecular Formula:
    5. Molecular Weight: 235.848
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 431-81-2.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 1,1,1,2-tetrachloro-3,3,3-trifluoropropane(CAS DataBase Reference)
    10. NIST Chemistry Reference: 1,1,1,2-tetrachloro-3,3,3-trifluoropropane(431-81-2)
    11. EPA Substance Registry System: 1,1,1,2-tetrachloro-3,3,3-trifluoropropane(431-81-2)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 431-81-2(Hazardous Substances Data)

431-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 431-81-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,3 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 431-81:
(5*4)+(4*3)+(3*1)+(2*8)+(1*1)=52
52 % 10 = 2
So 431-81-2 is a valid CAS Registry Number.

431-81-2Relevant articles and documents

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.

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