| Identification | More | 【Name】
Sodium sulfide | 【CAS】
1313-82-2 | 【Synonyms】
SODIUM SULFIDE
SODIUM SULPHIDE
Disodium monosulfide
Disodium sulfide
disodiummonosulfide
disodiumsulfide
Hesthsulphid
Na2-S
Sodium sulfide (Na2S)
Sodium sulfide, anhydrous
Sodium sulfuret
sodiumsulfide(anhydrous)
sodiumsulfide(na2s)
sodiumsulfide(non-specificname)
sodiumsulfide,anhydrous
sodiumsulfide,hydrated,withnotlessthan30%water
sodiumsulfide[na2s]
sodiumsulfuret
sodiumsulphide,anhydrous
disodium sulphide | 【EINECS(EC#)】
215-212-0 | 【Molecular Formula】
Na2S | 【MDL Number】
MFCD00003498 | 【Molecular Weight】
78.04 | 【MOL File】
1313-82-2.mol |
| Chemical Properties | Back Directory | 【Appearance】
crystals of varied colour, with a repulsive odour | 【mp 】
950 °C(lit.)
| 【density 】
1.86 g/mL at 25 °C(lit.)
| 【storage temp. 】
Refrigerator (+4°C) | 【solubility 】
H2O: 0.1 g/mL, clear, colorless
| 【form 】
flakes
| 【Stability:】
Spontaneously flammable. Incompatible with acids, metals, oxidizing agents. Contact with acid liberates toxic gas. Fine dust/air mixtures are explosive. Hygroscopic. | 【Water Solubility 】
186 g/L (20 ºC) | 【Sensitive 】
Hygroscopic | 【Merck 】
14,8681 | 【CAS DataBase Reference】
1313-82-2(CAS DataBase Reference) | 【NIST Chemistry Reference】
Sodium sulfide(1313-82-2) | 【EPA Substance Registry System】
1313-82-2(EPA Substance) |
| Safety Data | Back Directory | 【Hazard Codes 】
C,N | 【Risk Statements 】
R31:Contact with acids liberates toxic gas.
R34:Causes burns.
R50:Very Toxic to aquatic organisms. | 【Safety Statements 】
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 label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet . | 【RIDADR 】
UN 1849 8/PG 2
| 【WGK Germany 】
2
| 【RTECS 】
WE1905000
| 【F 】
3-8-9-23 | 【HazardClass 】
4.2 | 【PackingGroup 】
II | 【Hazardous Substances Data】
1313-82-2(Hazardous Substances Data) |
| Hazard Information | Back Directory | 【General Description】
SODIUM SULFIDE, ANHYDROUS(1313-82-2) is a yellow to brick red crystalline mass or fused solid with an odor of rotten eggs. If exposed to moist air SODIUM SULFIDE, ANHYDROUS(1313-82-2) is liable to spontaneous heating and may cause ignition of nearby combustible material. SODIUM SULFIDE, ANHYDROUS(1313-82-2) absorbs moisture from the air. | 【Reactivity Profile】
SODIUM SULFIDE is a white to yellow crystalline material, flammable. Can explode on rapid heating or when shocked. Violent reaction with carbon, charcoal, diazonium salts, N,N-dichloromethylamine, strong oxidizers, water. On contact with acids SODIUM SULFIDE, ANHYDROUS liberates highly toxic and flammable hydrogen sulfide gas. When heated to decomposition SODIUM SULFIDE, ANHYDROUS emits toxic fumes of sodium oxide, and oxides of sulfur [Bretherick, 5th ed., 1995, p. 1729]. | 【Air & Water Reactions】
Aqueous solutions of sodium sulfide when exposed to air slowly convert to sodium hydroxide and sodium thiosulfate. The crystalline form upon exposure to air forms hydrogen sulfide and sodium carbonate [Merck 11th ed. 1989]. | 【Health Hazard】
Caustic action on skin and eyes. If ingested may liberate hydrogen sulfide in stomach. | 【Fire Hazard】
Special Hazards of Combustion Products: Irritating sulfur dioxide is produced in fire. |
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