Green Vitriol 99.5% Food Grade

• CAS No.: 7782-63-0
• Formula: Feso4.7H2O
• Certification: CIQ, ISO
• Purity: >98%
• Type: Sulfate
• Grade Standard: Food Grade
• Model NO.: Food Grade
• Usage: Vegetable Chromogenic Reagent
• Transport Package: 25 Kgs Kraft Paper Bag
• Specification: Assay >99.5%
• Trademark: K&S
• Origin: Lianyungang
• HS Code: 2833291000
• Production Capacity: 100000 Mts Per Year

Product Description

 LIANYUNGANG KANDS CHEMICAL CO., LTD.
(K & S INDUSTRY LIMITED)
NO 4, Chaoyang East Rd, Xinpu District, Lianyungang, Jiangsu, China. 
 SPECIFICATION
 

Chemical name:

Ferrous Sulfate ,green vitriol

Molecular formula:

FeSO₄·7H₂O

Molecular weight:

278.02(Heptahytrate)

CAS NO:

7782-63-0(Heptahydrate), 7720-78-7(Monohydrate)

Character:

Pale,blue-green crystals or granules that are efflorescent in dry air.In moist air,it oxidizes readily to form a brown-yellow,basic ferric sulfate. It's soluble in water, insoluble in ethanol.

Usage:

It is used as nutrient, fruit and vegetable chromogenic reagent.

Packaging:

It is packed with plastic bag as inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.

Storage and Transport:

It should be stored in a dry and ventilating warehouse, kept away form water and moisture during transport, unloaded with care so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.

Specification	GB29211-2012
Content,w%	ferrous sulfate	dry ferrous sulfate
	FeSO4·7H2O:99.5-104.5	FeSO4:86.0-89.0
lead(Pb),mg/Kg ≤	2	2
Arsenic(As),mg/Kg ≤	3	3
Mercury(Hg),mg/Kg ≤	1	1
Acid Insoluble,w% ≤	-	0.05