Hydrogen sulfide
[CAS# 7783-06-4]

Identification

• Classification: Inorganic chemical industry >> Inorganic acid
• Name: Hydrogen sulfide
• Synonyms: Dihydrogen monosulfide; Dihydrogen sulfide; Hydrogen sulfide; Hydrosulfuric acid; Stink damp; Sulfur dihydride; Sulfur hydride; Sulfur hydride (SH2); Sulfureted hydrogen
• Molecular Formula: H₂S
• Molecular Weight: 34.08
• CAS Registry Number: 7783-06-4
• EC Number: 231-977-3

Properties

• Density: 0.9888 g/cm^3*
• Melting point: 187.61 ºC^**
• Boiling point: 212.9 ºC^***
• Refractive index: 1.460^****

^* Klemenc, Alfons; Zeitschrift fuer Anorganische und Allgemeine Chemie 1932, V208, P348-66.

^** Giauque, W. F.; Journal of the American Chemical Society 1936, V58, P831-7.

^*** Kamath, Ganesh; Journal of Chemical Physics 2005, V123(12), P124505/1-124505/7.

^**** Marcoux, Jules E.; Journal of the Optical Society of America 1969, V59(8), P998.

Safety Data

• Hazard Symbols: GHS02;GHS04;GHS06;GHS09 Danger
• Hazard Statements: H220-H330-H400

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	2	H330
Flammable gases	Flam. Gas	1	H220
Gases under pressure (liquid)	Press. Gas (Liq.)		H280
Specific target organ toxicity - single exposure	STOT SE	3	H335
Gases under pressure (compressed)	Press. Gas (Comp.)		H280
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	1	H330
Specific target organ toxicity - single exposure	STOT SE	3	H336
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	2	H310
Acute toxicity	Acute Tox.	2	H300
Specific target organ toxicity - single exposure	STOT SE	1	H370
Specific target organ toxicity - single exposure	STOT SE	1	H335