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308063-42-5

Butyl rubber, also known as isobutylene-isoprene rubber (IIR), is a synthetic rubber primarily composed of isobutylene with small amounts of isoprene. It is a copolymer manufactured through cationic vinyl polymerization. Notable for its excellent resistance to heat, oxidation, chemicals, and weathering, butyl rubber is widely used in applications that require an airtight environment.

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  • 308063-42-5 Structure

  • Basic information

    1. Product Name: Butyl rubber
    2. Synonyms: IIR;Isobutylene-isoprene;Polyisobutylene-isoprene
    3. CAS NO:308063-42-5
    4. Molecular Formula:
    5. Molecular Weight: 0
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 308063-42-5.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: Butyl rubber(CAS DataBase Reference)
    10. NIST Chemistry Reference: Butyl rubber(308063-42-5)
    11. EPA Substance Registry System: Butyl rubber(308063-42-5)

  • 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: 308063-42-5(Hazardous Substances Data)

308063-42-5 Usage

Uses

Used in Tire Industry:
Butyl rubber is used as a tire inner tube for its excellent resistance to heat, oxidation, chemicals, and weathering, ensuring airtightness and durability.
Used in Sealing Applications:
Butyl rubber is used as seals and stoppers due to its low permeability to gases and good ageing stability, making it suitable for maintaining airtight environments in various industrial applications.
Used in Sporting Equipment Production:
Butyl rubber is used in the production of sporting equipment for its resistance to heat, oxidation, and chemicals, as well as its good ageing stability, ensuring the longevity and performance of the equipment.
Used in Medical Equipment Production:
Butyl rubber is used in the production of medical equipment for its low permeability to gases and good ageing stability, making it suitable for creating airtight and durable medical devices.
Used in Halogenated Butyl Rubber Production:
Butyl rubber's properties can be enhanced further by halogenation, producing halogenated butyl rubbers like chlorobutyl rubber and bromobutyl rubber, which are used in various specialized applications requiring improved resistance to heat, oxidation, and chemicals.

Check Digit Verification of cas no

The CAS Registry Mumber 308063-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,8,0,6 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 308063-42:
(8*3)+(7*0)+(6*8)+(5*0)+(4*6)+(3*3)+(2*4)+(1*2)=115
115 % 10 = 5
So 308063-42-5 is a valid CAS Registry Number.

308063-42-5Upstream product

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