4-Methyl-5,6,7,8-tetrahydro-2λ⁶,1,3-benzothiadiazine-2,2(1H)-dione

Also known as: 4-Methyl-5,6,7,8-tetrahydro-1H-2,1,3-benzothiadiazine 2,2-dioxide, 4-Methyl-5,6,7,8-tetrahydro-3H-2λ⁶,1,3-benzothiadiazine 2,2-dioxide, 4-Methyl-5,6,7,8-tetrahydro-1H-benzo[c][1,2,6]thiadiazine 2,2-dioxide, 4-Methyl-5,6,7,8-tetrahydro-2,1,3-benzothiadiazine-2,2(1H)-dione, 4-methyl-5,6,7,8-tetrahydro-1(3)H-benzo[1,2,6]thiadiazine 2,2-dioxide

4-Methyl-5,6,7,8-tetrahydro-2λ⁶,1,3-benzothiadiazine-2,2(1H)-dione (CAS 3580-37-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H12N2O2S and a molecular weight of 200.25800 g/mol. Key properties include a melting point of 180-181ºC, a boiling point of 358.4ºC at 760 mmHg, a density of 1.5g/cm3 and a flash point of 170.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3580-37-8
Jingsj CID: J-1518981-8
Molecular Formula: C₈H₁₂N₂O₂S
Molecular Weight: 200.25800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	180-181ºC
Boiling Point	358.4ºC at 760 mmHg
Density	1.5g/cm3
Flash Point	170.6ºC
Exact Mass	200.06200
PSA	66.91000
LogP	1.96860
Refractive Index	1.674

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 4-Methyl-5,6,7,8-tetrahydro-2λ⁶,1,3-benzothiadiazine-2,2(1H)-dione?

The CAS number of 4-Methyl-5,6,7,8-tetrahydro-2λ⁶,1,3-benzothiadiazine-2,2(1H)-dione is 3580-37-8.

What are the molecular formula and molecular weight of 4-Methyl-5,6,7,8-tetrahydro-2λ⁶,1,3-benzothiadiazine-2,2(1H)-dione?

4-Methyl-5,6,7,8-tetrahydro-2λ⁶,1,3-benzothiadiazine-2,2(1H)-dione has molecular formula C8H12N2O2S and molecular weight 200.25800 g/mol.

What are the upstream and downstream products of 4-Methyl-5,6,7,8-tetrahydro-2λ⁶,1,3-benzothiadiazine-2,2(1H)-dione?

For 4-Methyl-5,6,7,8-tetrahydro-2λ⁶,1,3-benzothiadiazine-2,2(1H)-dione, Upstream Products: 2-Acetylcyclohexanone.

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. "4-Methyl-5,6,7,8-tetrahydro-2λ⁶,1,3-benzothiadiazine-2,2(1H)-dione (CAS 3580-37-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518981-8 (accessed 2026-11-09).

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