Other name： Sodium monosulfide; Sodium sulfide (Na2S); sodium sulfuret; Sodium Sulphide; Disodium monosulfide; Disodium sulfide; disodiummonosulfide; disodiumsulfide; Hesthsulphid; Na2-S; disodium sulfanide; sodium sulfidosodium
CAS No.: 1313-82-2
EINECS No.: 215-211-5
UN No.: 1849 1385
CN No.: 82011 42009
HS No.: 2830101000
Molecular Formula: Na2S
Molecular weight：78.0445
Property: Soluble water, presenting strong alkaline solution, easily oxidized when exposed to air, poison
1. Appearance: yellow or reddish brown lump, flake and granular.
2. Specifications:
2.1. Sodium sulfide industry grade classification:
Ⅰ: low iron sodium sulfide (Yellow base);
Ⅱ: ordinary sodium sulfide ( Red base).
2.2.Quality standards：GB/T10500-2009
|
Index Item |
Ⅰ |
Ⅱ |
|||
| Superior product |
First grade |
Qualified product |
Superior product |
First grade |
|
| Sodium sulfide (Na2S)，wt% ≥ | 60.0 | 60.0 | 60.0 | 60.0 | 60.0 |
| Sodium sulfite (Na2SO3)，wt % ≤ | 1.0 | - | - | - | - |
| Sodium thiosulfate (Na2S2O3)，wt % ≤ | 2.5 | - | - | - | - |
| Iron（Fe）, wt%≤ | 0.0020 | 0.0030 | 0.0050 | 0.015 | 0.030 |
| Water insolubles, wt%≤ | 0.05 | 0.05 | 0.05 | 0.15 | 0.20 |
| Sodium carbonate (Na2CO3)，wt % ≤ | 2.0 | - | - | 3.5 | - |
4. Uses: used as making sulphur dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making also widely used in pigment and rubber industry, etc.
5. Storage: Stored in a cool, dry, prevent to be affected with damp be affected with damp. Transportation should prevent the rain. Don't with acids during storage. When loading and unloading to should take put down gently to prevent damaged packaging.
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