Basic information
- Standard SMILES
O.O.O.O.O.O.O.O.O.[Na+].[Na+].[S-2]- InChIKey
ZGHLCBJZQLNUAZ-UHFFFAOYSA-N- Molecular formula
- Na2.S.9H2O
- Average molar mass
- 240.19 g/mol
Overview
Sodium sulfide nonahydrate is a hydrate with formula Na2S9H2O. It contains a sodium sulfide (anhydrous).
Names & identifiers
- Preferred name
- Sodium sulfide nonahydrate
- IUPAC
- disodium;sulfide;nonahydrate
Names & synonyms
Disodium sulfide nonahydrateSodium sulphide nonahydrateSodium Monosulfide Nonahydratesodium monosulphide nonahydrateCHEBI:76209C02T02993URefChem:887902DTXCID10809566639-249-01313-84-4DTXSID40858820Sodium sulfide (Na2S), nonahydrate
Show more names
Sodium sulfide nonahydrateSodium sulfide, nonahydrateSulfure de sodiumdisodium;sulfide;nonahydrateSodium Sulfide Nonahydrate (Technical Grade)Sodium sulfide (Na2S), nonahydrate (8CI,9CI)Sodium monosulfide nonahydrate; Sodium sulfide enneahydrate; Sodium sulfide nonahydratedisodium sulphide nonahydrate
Database identifiers
- CAS
1313-84-4- PubChem CID
- 73972
- ChEBI
CHEBI:76209- UNII
- C02T02993U
- EC Number
- 639-249-0
Properties
Computed structural properties
- Topological polar surface area
- 10 Ų
- Hydrogen bond donors
- 9
- Hydrogen bond acceptors
- 10
- Rotatable bonds
- 0
- Heavy atoms
- 12
- Formal charge
- 0
- Complexity
- 0
Experimental & physicochemical properties
Chemical ClassesOther Classes -> Sulfur Compounds
Density1.427 @ 16°C
Physical DescriptionYellow deliquescent solid with an odor of hydrogen sulfide; Discolored by light and air becoming brownish-black; [Merck Index] Colorless crystals with lumps; [Sigma-Aldrich MSDS]
Safety & regulation
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 1.2% (3 of 248) of reports.
Danger
H301+H311 (41.9%): Toxic if swallowed or in contact with skin [Danger Acute toxicity, oral; acute toxicity, dermal]
P260, P262, P264, P264+P265, P270, P273, P280, P301+P316, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P330, P361+P364, P363, P391, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 248 reports by companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: Sodium sulfide, nonahydrate
Sodium sulfide (Na2S), nonahydrate: Does not have an individual approval but may be used under an appropriate group standard
Hazards Summary
Intraperitoneal LD50 (mouse) = 53 mg/kg; [RTECS] Produces hydrogen sulfide on exposure to air; [Merck Index] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Harmful by ingestion; Toxic by skin absorption; Targets the nerves and cardiovascular system; [Sigma-Aldrich MSDS] See Hydrogen sulfide.
Hazard Classes and CategoriesAcute Tox. 3 (50%)
Safety & protection
Protective Action Criteria (PAC)
0.17 [mg/m3]
1.9 [mg/m3]
11 [mg/m3]
Toxicology
Adverse EffectsDermatotoxin - Skin burns.
Chemistry & industry
Uses & manufacturing
Uses
Used for dehairing hides, pulling wool, desulfurizing viscose rayon, metal engraving, cotton printing, and paper-pulping; Also used in ore flotation and to manufacture rubber and sulfur dyes; [Merck Index]
Pulp and Paper Processing [Category: Industry]
Related reactions
144 records
Linked notes
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