Product Name :
SODIUM HYDROSULPHITE
Overview
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CAS No :
7775-14-6
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Einecs No :
231-890-0
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HS Code :
2831101000
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Grade Standard :
88%,90%,85%min TECH GRADE
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Appearance :
Free-flowing white crystalline powder
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Packaging Details :
50KG/DRUMS
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Application :
textile dyeing,reduction cleaning and etc.
Product Description
Product name: Sodium Hydrosulphite(Sodium Hydrosulfite)
Mol. Formula: Na2S2O4
Molecular wt.:174.11
Properties: The bulk specific weight is 0.7-1.0g/m3 , dissolve in water, slightly dissolve in ethanol. Give off heat and cause combustion easily. Spontaneous decomposition occurs when the temperature is higher than 85℃, heats up to 190℃cause detonation. Self-ignition point is 250℃.
Items | Specifications |
Appearance | Free-flowing white crystalline powder |
Chemical Formula | Na2S2O4 |
Process | Manufactured by sodium formate |
Molecular wt. | 174 |
Bulk Density | 0.9 |
Melting Point : | >300℃ (Decomposes) |
Solubility | Soluble in water, insoluble in alcohol and methanol. |
Odour | None or slightly smell of sulfur dioxide |
Shelf Life | 10 months from the date of packing if stored in a sealed Air-tight container. |
Grades(Contents) | Low Purity 74% Min, & 80% Min. |
Standard Purity 85% Min & 88% Min. | |
High Purity 90% Min. | |
Application | i)Strong Reducing Agent; |
Packing | 50 kg net in iron drum with double plastic liners |
Storage Stability | Keep in closed or covered containers when not in use. Store in cool dry place with adequate ventilation. Do not store near oxidants, acids or combustible materials. |
Safety Precautions | In case of fire, use sand or use Carbon Dioxide fire extinguisher. Do not use water. |
Shipping Details | One FCL of 20 Feet can accommodate 21 MT. |
UN No. | 1384 |
IMCO Class | 4.2 |
IMDG Page | 4262 |
HS CODE | 2831.101 |
CAS No. | 7775-14-6 |
Package Class | II |
Warning | Flammable! May spontaneously ignite in moist air or upon contact with water. |
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