1,3-butadiene (CAS 106-99-0)

Chinese name: 丁二烯

1,3-butadiene is registered under CAS 106-99-0. Molecular formula: C4H6. Approximate molecular weight: 54.09. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number 106-99-0
English name 1,3-butadiene
Chinese name 丁二烯
Molecular formula C4H6
Molecular weight 54.09
Melting point ?109?°C(lit.)
Boiling point ?4.5?°C(lit.)
Density 1.9(15°C,vsair)
Flash point ?105?°F
Refractive index 1.4292
Vapor pressure 1260mmHgat25°C
HS code (ref.) 2933990090

Applications (reference)

在合成橡胶方面，用于生产丁苯橡胶、顺丁橡胶、乙丙橡胶、丁腈橡胶、氯丁橡胶、丁苯胶乳等；在合成树脂方面，用于生产ABS、BS、SBS、MBS、环氧化聚丁二烯树脂、液体丁二烯齐聚物等；在有机化工生产中，用于合成环丁砜、1,4-丁二醇、己二腈、合成蒽醌、1,4-己二烯、环辛二烯、环十二碳三烯等。用于制造丁苯橡胶、顺丁橡胶、丁二烯橡胶、丁腈橡胶及ABS树脂等。是合成橡胶及合成树脂的重要单体，也是制备丁醇及丁二醇的原料。与苯乙烯、丙烯腈等进行乳液聚合，可制得用于胶黏剂及涂料等的丁苯胶乳、丁腈胶乳；还可用作制造增塑剂

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Authority references

FAQ

What is CAS 106-99-0?

1,3-butadiene is identified by CAS Registry Number 106-99-0. Molecular formula: C4H6. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy 1,3-butadiene?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 106-99-0 data?

Cross-check PubChem / NIST / CAS Common Chemistry, and use our free CAS lookup tool. Always match CAS on COA and invoice.

Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.