Input interpretation
sodium bisulfide
Chemical names and formulas
formula | NaHS Hill formula | HNaS name | sodium bisulfide IUPAC name | sodium sulfanide alternate names | sodium hydrosulfide | sodium hydrosulphide | sodium mercaptan | sodium sulfhydrate mass fractions | H (hydrogen) 1.8% | Na (sodium) 41% | S (sulfur) 57.2%
Structure diagram
Structure diagram
vertex count | 2 edge count | 1 Schultz index | 0 Wiener index | 0 Hosoya index | 1 Balaban index | 0
Basic properties
molar mass | 56.06 g/mol phase | solid (at STP) melting point | 43 °C density | 1.79 g/cm^3
Units
Solid properties (at STP)
density | 1.79 g/cm^3 vapor pressure | 49 mmHg (at 20 °C)
Units
Chemical identifiers
![CAS number | 16721-80-5 PubChem CID number | 28015 SMILES identifier | [Na+].[SH-] InChI identifier | InChI=1/Na.H2S/h;1H2/q+1;/p-1/fNa.HS/h;1h/qm;-1 EU number | 240-778-0 Gmelin number | 19160 RTECS number | WE1900000 NSC number | 158264](../image_source/d6de3ffcec836079bc54088bbe68a0db.png)
CAS number | 16721-80-5 PubChem CID number | 28015 SMILES identifier | [Na+].[SH-] InChI identifier | InChI=1/Na.H2S/h;1H2/q+1;/p-1/fNa.HS/h;1h/qm;-1 EU number | 240-778-0 Gmelin number | 19160 RTECS number | WE1900000 NSC number | 158264
NFPA label
NFPA label
NFPA health rating | 3 NFPA fire rating | 2 NFPA reactivity rating | 0
Safety properties
flash point | 90 °C lower explosive limit | 4.3% (concentration in air) upper explosive limit | 45.5% (concentration in air)
DOT hazard class | 4.2 DOT numbers | 2318
Toxicity properties
RTECS classes | mutagen
Ion equivalents
Na^+ (sodium cation) | 1 (HS)^- (hydrosulfide anion) | 1