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CAS

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171977-44-9

2,4'Dibromodiphenyl ether, also known as polybrominated diphenyl ether (PBDE), is an organobromine compound that belongs to a class of chemicals known as brominated flame retardants. It is characterized by its flame-retardant properties and is commonly used in various consumer products to reduce the risk of fire.

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  • 171977-44-9 Structure

  • Basic information

    1. Product Name: 2,4?DIBROMODIPHENYL ETHER
    2. Synonyms: 2,4?DIBROMODIPHENYL ETHER
    3. CAS NO:171977-44-9
    4. Molecular Formula: C12H8Br2O
    5. Molecular Weight: 327.99932
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 171977-44-9.mol

  • Chemical Properties

    1. Melting Point: 158 °C
    2. Boiling Point: 327.9±27.0 °C(Predicted)
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: 1.704±0.06 g/cm3(Predicted)
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 2,4?DIBROMODIPHENYL ETHER(CAS DataBase Reference)
    10. NIST Chemistry Reference: 2,4?DIBROMODIPHENYL ETHER(171977-44-9)
    11. EPA Substance Registry System: 2,4?DIBROMODIPHENYL ETHER(171977-44-9)

  • 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: 171977-44-9(Hazardous Substances Data)

171977-44-9 Usage

Uses

Used in Consumer Electronics Industry:
2,4'Dibromodiphenyl ether is used as a flame retardant in the consumer electronics industry to enhance the fire resistance of electronic devices and their components. This application helps to reduce the risk of fire and improve the safety of these products.
Used in Textile Industry:
In the textile industry, 2,4'Dibromodiphenyl ether is used as a flame retardant for fabrics and other materials, providing additional fire protection to clothing, upholstery, and other textile products.
Used in Building and Construction Industry:
2,4'Dibromodiphenyl ether is also utilized as a flame retardant in the building and construction industry, where it is added to materials such as insulation, wall coverings, and other construction components to improve their fire resistance and enhance overall building safety.
However,

Check Digit Verification of cas no

The CAS Registry Mumber 171977-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,9,7 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 171977-44:
(8*1)+(7*7)+(6*1)+(5*9)+(4*7)+(3*7)+(2*4)+(1*4)=169
169 % 10 = 9
So 171977-44-9 is a valid CAS Registry Number.

171977-44-9Upstream product

171977-44-9Downstream Products

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