Sodium Hydrosulfite
Detailed Product Description
Name of Product: Sodium Hydrosulfite
Physical property:
Formula: Na2S2O4 Hazard Class: 4.2 CAS No.: 7775-14-6 UN No.: 1384
Application:
It is widely used in the textile industry for vat dyeing, reduction agent, printing and stripping, textile materials bleaching, It is also used in bleaching for paper pulps, Kaolin, leather, bamboo wares, foodstuffs and beverages. In Chemical industry, it is used in the line of photograghics, chemical processing, cleaners, water treatment, gas purification, and environmental improvement.
Specification:
items | Industrial Grade | Food Grade | ||||
85% | 88% | 90% | 85% | 88% | 90% | |
Appearance | White crystalline powder | |||||
odor | Odorless or with a slight odor of sulfur dioxide | |||||
Na2S2O4 % | ≥85 | ≥88 | ≥90 | ≥85 | ≥88 | ≥90 |
Water Insolubles% | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.1 | ≤0.1 | ≤0.1 |
Heavy Metal Contentppm | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 |
Na2CO3 (%) | 0.9-5.0 | 0.9-5.0 | 0.9-5.0 | 0.9-5.0 | 0.9-5.0 | 0.9-5.0 |
Fe(ppm) | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 |
Shelf life (Months) | 12 | 12 | 12 | 12 | 12 | 12 |
Package: 50kg per iron drum.
Sodium Hydrosulfite
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Company Info
Kenko (Qingdao) Co., Ltd.
[China]
[Verified Member]
Online Postings: Products
Business Type:Manufacturer, Trading Company
City: Qingdao
Province/State: Shandong
Country/Region : China