Na2O4S2 CAS: 7775-14-6 Sodium dithionite factory price
Min.Order / FOB Price:Get Latest Price
| 21 Metric Ton |
Negotiable |
- Min.Order :21 Metric Ton
- Purity: 95%
- Payment Terms : L/C,D/A,D/P,T/T,
Keywords
CAS: 7775-14-6 Sodium dithionite factory price Na2O4S2 CAS: 7775-14-6 dithionous acid disodium salt;HYDROSULFITE;SODIUM HYPODISULFITE;SODIUM DITHIONITE;SODIUM HYDROSULFITE;SODIUM HYDROSULPHITE;blankit;burmol Na2O4S2 CAS: 7775-14-6 factory price high pure 95%
Quick Details
- Appearance:white solid
- Application:Application for sodium hydrosulfite : 1.Used as reducer, dyes auxiliary of dyeing industry, synthetic dyes and intermediates. 2.Used as bleaching agent of paper pulp in paper-making industry. Na2
- PackAge:plastic woven bag
- ProductionCapacity:50|Metric Ton|Day
- Storage:under the cool and dry area
- Transportation:by sea or by express
Superiority:
| Sodium dithionite Basic information |
| Product Name: | Sodium dithionite |
| Synonyms: | dithionous acid disodium salt;HYDROSULFITE;SODIUM HYPODISULFITE;SODIUM DITHIONITE;SODIUM HYDROSULFITE;SODIUM HYDROSULPHITE;blankit;burmol |
| CAS: | 7775-14-6 |
| MF: | Na2O4S2 |
| MW: | 174.11 |
| EINECS: | 231-890-0 |
| Product Categories: | INORGANIC & ORGANIC CHEMICALS;Inorganics;inorganic chemical raw material;inorganic salt;sulphite |
| Mol File: | 7775-14-6.mol |
|
|
|
| Sodium dithionite Chemical Properties |
| mp | 300 °C |
| bp | 1390°C |
| density | 2.13 |
| storage temp. | Store at RT. |
| solubility | 250 g/L (20°C) |
| Water Solubility | 250 g/L (20 ºC) |
| Sensitive | Moisture Sensitive |
| Merck | 14,8626 |
| Stability: | Stable, but air sensitive. Incompatible with strong acids, strong oxidizing agents, water, moisture. |
| CAS DataBase Reference | 7775-14-6(CAS DataBase Reference) |
| Safety Information |
| Hazard Codes | Xn |
| Risk Statements | 7-22-31 |
| Safety Statements | 26-28-43-7/8-43E-28A |
| RIDADR | UN 1384 4.2/PG 2 |
| WGK Germany | 1 |
| F | 1-10 |
| HazardClass | 4.2 |
| PackingGroup | II |
| Hazardous Substances Data | 7775-14-6(Hazardous Substances Data) |
Details:
Sodium Hydrosulfite
Types:
1) Purity: 85%, 88%,90%
2) 25kg,50kg,100kg,200kg,100kg/drum
Product Description:
|
|
90% GRADE |
88% GRADE |
85% GRADE |
Food additive GRADE |
|
Na2S2O4 |
≥90% |
≥88% |
≥85% |
≥85% |
|
Water insolubles |
≤0.05% |
≤0.05% |
≤0.05% |
|
|
Iron (Fe) |
≤20ppm |
≤20ppm |
≤20ppm |
≤20ppm |
|
Appearance of Aqueous solution |
|
|
|
clear |
|
Zinc (Zn) |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Arsenic(As) |
|
|
|
≤1ppm |
|
Other heavy metals (as Pb) |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Format(as HCHO) |
|
|
|
≤0.05% |
|
Shelf life(months) |
12 |
12 |
12 |
12 |
Application :
vat dyeing, printing and stripping , reduction cleaning,
leaching textile materials such as silk, wool, nylon and other fibres
bleaching mechanical pulps ,thermo-mechanical pulps, deinked pulps
bleaching kaolin
bleaching foodstuffs like sugar, honey , gelatin etc .
reducing agent for organic synthesis and pharmaceuticals
Specific hazards
May spontaneously ignite in moist air or upon contact with small quantities of water.
React violently with oxidants resulting in combustion or explosion .
Extinguish Method :
Using large quantities of water drown the product .
Storage & handling:
Being a strong reducing agent , sodium hydrosulfite can decompose easily while exposed to air and moisture no matter it is made by any kinds of production processes .
The product must be stored in sealed iron drums or bulk containers in a cool dry place away from moisture , acids, oxidizing chemicals and combustible organic substances .
Protect the product away from direct sunlight , heat , sparks and open flames.
Carefully handle the product and avoid damaging the package.
Leakage:
Collect the spilt product and place it in a dry and clean container where it can be recycled or dissolved in water. Wash the area involved with water.
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