HNaS
56.07 g/mol
Industrial ChemicalDanger
SODIUM HYDROSULFIDE
CAS16721-80-5EC240-778-0
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
Pulp and paper processing
Sodium hydrosulfide is a salt-like inorganic compound containing the bisulfide anion. It is primarily used in industrial processes, notably in the pulp and paper industry.
Pulp and paper processing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Sodium sulfide
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Industrial chemical for various syntheses
ReferenceSame Category
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4-heptanamine
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industrial chemical intermediate
ReferenceSame Category
Trihydratedibasicpotassium phosphate
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Inorganic salt for buffer and fertilizer
ReferenceSame Category
Monomethyl terephthalate
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intermediate for thermoplastic polyester elastomers
Referencestereoisomer of
Hydrogen sulfide
CAS7783-06-4
Industrial chemical for steel, petroleum, and paper
Safety Reference
Danger
H226Flammable liquid and vapour
H251Self-heating; may catch fire
H290May be corrosive to metals
H301Toxic if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H400Very toxic to aquatic life
H335May cause respiratory irritation
H371May cause damage to organs
H312Harmful in contact with skin
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for SODIUM HYDROSULFIDE (CAS 16721-80-5) is 2830.10.
HS code (international, 6-digit)
2830.10
EU CN code (8-digit)
2830 10 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
sodium sulfanide
InChIKey
HYHCSLBZRBJJCH-UHFFFAOYSA-M
SMILES
[Na+].[SH-]
Synonyms (24)
- Hidrosulfuro sodics
- Hidrosulfuro sodics [Spanish]
- Hydrogen sodium sulfide
- Hydrogenosulfure de sodium
- SODIUM BISULPHIDE
- SODIUM HYDROSULFIDE
- Sodium bisulfide
- Sodium hydrogen sulfide
- Sodium hydrosulfide (Na(HS))
- Sodium hydrosulphide
- Sodium mercaptan
- Sodium mercaptide
- Sodium sulfhydrate
- Sodium sulfide (Na(HS))
- Sodium sulfide (Na(SH))
- sodium sulfanide
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