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Sodium Sulfite Anhydrous

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Company: Choice Chemicals Ltd.

Address: Centre of City, No.235 Wuyi Road, Furong District, Changsha, Hunan Province 410011, P.R.China

Tel: +86 731 89856736/92/93

Fax: 0086 731 89878447

E-mail: info@choice-chem.com

Sodium Sulfite

Sodium Sulfite

Information

Appearance

White crystalline powder

CAS No.

7757-83-7

EINECS

231-821-4

H.S.CODE

2832100000

Molecular Formula

Na2SO3

Quality Standard

Item

Industrial Grade

Food Grade

Sodium sulfite (Na2SO3),%

≥97.0

≥97.0

Fe,%

≤0.003

≤0.001

Water-Insoluble

≤0.02

Free alkali(As content Na2CO3),%

≤0.10

≤0.40

Sulfate(As content Na2SO4),%

≤2.5

Chloride(NaCl), content %

≤0.10

Heavy metal content(Pb), mass fraction /%

≤0.0005

As content (As content), mass fraction /%

≤0.0002

Clarity

Pass

Pass



Application
Used in man-made fiber stabilizers, fabric bleaches, photographic developers, dyeing and bleaching deoxidizers, perfumes and dye reductants, paper lignin removers, etc.
Packaging & Transportation

Packing: Polypropylene weaving bag lined with polyethylene plastic bag, paper plastic compound bag, etc.
Net weight:
25/50/1000kg bag or upon clients' request.

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