1,4-Butanesultam

Also known as: 1,2-thiazinane 1,1-dioxide, 2H-1,2-Thiazine, tetrahydro-, 1,1-dioxide, 1,1-Dioxotetrahydro-2H-1,2-thiazine, Thiazinane 1,1-dioxide, 1lambda6,2-thiazinane-1,1-dione, 1,4-BUTANESULTAM USP/EP/BP

1,4-Butanesultam (CAS 37441-50-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H9NO2S and a molecular weight of 135.18500 g/mol. Key properties include a melting point of 74-84ºC, a boiling point of 239.2ºC at 760 mmHg, a density of 1.239 g/cm3 and a flash point of 98.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 37441-50-2
Jingsj CID: J-1350653-1
Molecular Formula: C₄H₉NO₂S
Molecular Weight: 135.18500 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	74-84ºC
Boiling Point	239.2ºC at 760 mmHg
Density	1.239 g/cm3
Flash Point	98.5ºC
Exact Mass	135.03500
PSA	54.55000
LogP	1.10920
Refractive Index	1.48

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

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

The CAS number of 1,4-Butanesultam is 37441-50-2.

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

1,4-Butanesultam has molecular formula C4H9NO2S and molecular weight 135.18500 g/mol.

What are the upstream and downstream products of 1,4-Butanesultam?

For 1,4-Butanesultam, Upstream Products: 4-bromobutan-1-amine, N-(3-chloropropyl)methanesulfonamide, Butylamine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,4-Butanesultam (CAS 37441-50-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1350653-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.