1,4-Butanediol, polymer with 1,1'-methylenebis(4-isocyanatobenzene)

1,4-丁二醇与1,1'-亚甲基双(4-异氰酸根合苯)的聚合物

Also known as: 1,4-Butanediol, polymer with 1,1'-methylenebis(4-isocyanatobenzene), Butanediol-MDI copolymer, MDI-1,4-butanediol copolymer, Polyurethane Y-302, Sanprene LQX 31, Y 302, Y-302, Y302, butane-1,4-diol-1,1'-methanediylbis(4-isocyanatobenzene)(1:1)

1,4-Butanediol, polymer with 1,1'-methylenebis(4-isocyanatobenzene) (CAS 25805-16-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H20N2O4 and a molecular weight of 340.37300 g/mol. It is also known as Butanediol-MDI copolymer, MDI-1,4-butanediol copolymer and Polyurethane Y-302. Key properties include a boiling point of 373.4ºC at 760 mmHg and a flash point of 154ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25805-16-7
Jingsj CID
J-1315692-7
Molecular Formula
C19H20N2O4
Chinese Name
1,4-丁二醇与1,1'-亚甲基双(4-异氰酸根合苯)的聚合物
Molecular Weight
340.37300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point373.4ºC at 760 mmHg
Flash Point154ºC

Frequently Asked Questions

What is the CAS number of 1,4-Butanediol, polymer with 1,1'-methylenebis(4-isocyanatobenzene)?

The CAS number of 1,4-Butanediol, polymer with 1,1'-methylenebis(4-isocyanatobenzene) is 25805-16-7.

What are the molecular formula and molecular weight of 1,4-Butanediol, polymer with 1,1'-methylenebis(4-isocyanatobenzene)?

1,4-Butanediol, polymer with 1,1'-methylenebis(4-isocyanatobenzene) has molecular formula C19H20N2O4 and molecular weight 340.37300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,4-Butanediol, polymer with 1,1'-methylenebis(4-isocyanatobenzene) (CAS 25805-16-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1315692-7 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.