1,4-Diisocyanatobutane

1,4-二异氰酸根丁烷

Also known as: 1,4-Butanediisocyanate, Tetramethylene diisocyanate, 1,4-diisocyanato-butane, 1,4-bisisocyanatobutane, butane-1,4-diisocyanate, MFCD00075559

1,4-Diisocyanatobutane (CAS 4538-37-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O2 and a molecular weight of 140.140 g/mol. It is also known as 1,4-Butanediisocyanate, Tetramethylene diisocyanate and 1,4-diisocyanato-butane. Key properties include a melting point of 0ºC, a boiling point of 220.5±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 106.7±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4538-37-8
Jingsj CID
J-48745-8
Molecular Formula
C6H8N2O2
Chinese Name
1,4-二异氰酸根丁烷
Molecular Weight
140.140 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point0ºC
Boiling Point220.5±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point106.7±0.0 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1,4-Diisocyanatobutane?

The CAS number of 1,4-Diisocyanatobutane is 4538-37-8.

What are the molecular formula and molecular weight of 1,4-Diisocyanatobutane?

1,4-Diisocyanatobutane has molecular formula C6H8N2O2 and molecular weight 140.140 g/mol.

Is 1,4-Diisocyanatobutane hazardous?

1,4-Diisocyanatobutane has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "1,4-Diisocyanatobutane (CAS 4538-37-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48745-8 (accessed 2026-10-23).

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