CAS No. 1313-82-2 (Sodium sulfide )
Molecular Formula: Na2SMolecular Formula: 78.03
Identification of 1313-82-2
- Name:
- Sodium sulfide (Related Reference)
- EINECS:
- 215-211-5
- Molecular Formula:
- Na2S
- CAS Registry Number:
- 1313-82-2
- Synonyms:
- Sodiumsulfide (Na2S);Disodiummonosulfide;Disodium sulfide;Disodium sulfide (Na2S);NSC 41874;Sodiummonosulfide;Sodium sulphide;
- InChI:
- InChI=1/2Na.S/q2*+1;-2
- Molecular Structure:
- This structure is also available as a 2d Mol file
Chemical Properties
- Appearance:
- crystals of varied colour, with a repulsive odour
- Molecular Weight:
- 78.03
- Density:
- 1.86
- Boiling Point:
- 174
- Melting Point:
- 950℃
- Storage Temperature:
- Refrigerator (+4°C)
- Solubility:
- Water solubility: 186 g/L (20 °C)
- Stability:
- Spontaneously flammable. Incompatible with acids, metals, oxidizing agents. Contact with acid liberates toxic gas. Fine dust/air mixtures are explosive. Hygroscopic.
- Usage:
In prodn of heavy water for nuclear reactors.
Safety Data of 1313-82-2
- Risk Codes:
- R31;R34;R50
- Safety Statements:
- S26;S45;S61
- Hazard Symbols:
-
C:Corrosive
HazardClass:4.2
- MSDS infomation:
- Sodium sulfide (1313-82-2).msds
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References of Sodium sulfide
| 1. | ??? |
orl-rat LD50:208?mg/kg |
??? | GTPZAB ?? Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 30 (8)(1986),30. |
| 2. | ??? |
ipr-rat LD50:147?mg/kg |
??? | GTPZAB ?? Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 30 (8)(1986),30. |
| 3. | ??? |
orl-mus LD50:205?mg/kg |
??? | GTPZAB ?? Gigiena Truda i Professionalnye Zabolevaniia. Labor Hygiene and Occupational Diseases. 30 (8)(1986),30. |
A poison by ingestion and intraperitoneal routes. Flammable when exposed to heat or flame. Unstable and can explode on rapid heating or percussion. Reacts violently with carbon, diazonium salts, n,n-dichloromethylamine, o-nitroaniline diazonium salt, water. When heated to decomposition it emits toxic fumes of SOx and Na2O. See also SULFIDES.
Hazard Codes:?C,
N
Risk Statements: 31-34-50?
R31 :Contact with acids liberates toxic gas.?
R34:Causes burns.?
R50:Very toxic to aquatic organisms.
Safety Statements: 26-45-61?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)?
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
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