Manufacture Supply Reagent Grade Zinc Sulfate Heptahydrate

CAS No.: 7446-20-0
Certification: CCIC, CIQ, RoHS, ISO
Purity: ≥99%
Type: Zinc Sulfate Heptahydrate
Appearance: Granular
Grade Standard: Reagent Grade

Products Details

Basic Info.

Model NO.
Reagent Grade
CAS Number
7446-20-0
Einecs No.
209-170-2
Usage
Nutritional Supplement
Transport Package
25kg/Bag
Specification
CP AR
Trademark
Kolod
Origin
Jiangsu Kolod Food Ingredients Co., Ltd.
HS Code
29152990
Production Capacity
2000 Mts/Year

Product Description

1.Chemical Name:  Zinc Sulfate
2.Molecular Formula : ZnSO4·H2O,  ZnSO4·7H2O
3.Molecular Weight: Monohydrate: 179.48; Heptahydrate: 287.54
4.CAS: Monohydrate:7446-19-7; Heptahydrate:7446-20-0
5.Character: It is colorless transparent prism or spicule or granular crystalline powder, odorless. Relative density is 1.957. Melting point is 100ºC. It's easily soluble in water and aqueous solution is acidic to litmus. It's slightly soluble in ethanol and glycerin. The monohydrate loses water at temperatures above 238ºC; heptahydrate effloresces in dry air at room temperature.   
6.Usage: It is used as nutritional supplement(zinc fortifier) and processing aid. It's used in milk product, infant food, liquid and milk drinks, grain and its' products, table salt, soft drinks, maternal formula and coco powder and other flavor nutritional solid drinks.
7.Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8.Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Specification GB25579-2010 FCC VII
Content w/%  ZnSO4·H2O 99.0-100.5 98.0-100.5
  ZnSO4·7H2O 99.0-108.7 99.0-108.7
As ,w/%                ≤ 0.0003 ----
Alkalis and Alkaline Earths,w% 0.50 0.5
Acidity, w/%                ≤ Pass The Test Pass The Test
Se, w/%                 ≤ 0.003 0.003
Hg, w/%                 ≤ 0.0001 0.0005
Pb, w/%                 ≤ 0.0004 0.0004
Cd, w/%                 ≤ 0.0002 0.0002
Manufacture Supply Reagent Grade Zinc Sulfate Heptahydrate
Manufacture Supply Reagent Grade Zinc Sulfate Heptahydrate
Manufacture Supply Reagent Grade Zinc Sulfate Heptahydrate



 

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