hydrogen sulfide

Also known as: EINECS 231-977-3, H2S, Hepatic acid, Hepatic gas, MFCD00011444, Siarkowodor, sewergas, sourgas, stinkdamp

hydrogen sulfide (CAS 7783-06-4) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H2S and a molecular weight of 34.08090 g/mol. Key properties include a melting point of −85 °C(lit.), a boiling point of −60 °C(lit.), a density of 1.19 (15ºC. vs air) and a flash point of -82ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7783-06-4
Jingsj CID: J-15110-0
Molecular Formula: H₂S
Molecular Weight: 34.08090 g/mol
Category: Inorganic Chemicals
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	−85 °C(lit.)
Boiling Point	−60 °C(lit.)
Density	1.19 (15ºC. vs air)
Flash Point	-82ºC
Exact Mass	33.98770
PSA	25.30000
LogP	0.11280
Additional Property	1.19 (15 °C, vs air)
Vapor Pressure	252 psi ( 21 °C)

Customs & Trade Information

HS Code	2830909000

Frequently Asked Questions

What is the CAS number of hydrogen sulfide?

The CAS number of hydrogen sulfide is 7783-06-4.

What are the molecular formula and molecular weight of hydrogen sulfide?

hydrogen sulfide has molecular formula H2S and molecular weight 34.08090 g/mol.

What are the upstream and downstream products of hydrogen sulfide?

For hydrogen sulfide, Upstream Products: Methanethiol, Carbon disulphide, 3-Dimethylaminopropylamine; Downstream Products: 1-Mercapto-2-propanol, 4-Ethylpyridine, 1,3-Propanedithiol.

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. "hydrogen sulfide (CAS 7783-06-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15110-0 (accessed 2026-11-09).

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