Specifications

 

Sodium sulfite anhydrous

Original
price: Negotiable
minimum:
Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-29 02:18
Browse the number: 162
inquiry
Company Profile
 
 
Product details

Product Name:

Sodium sulfite anhydrous

CAS NO:

7577-83-7

Molecular Formula:

Na2SO3

Specifications

Item

Grade

Best quality

First quality

Qualifier

Sodium sulfite (Na2SO3) Assay, %

≥ 97.0

≥ 96.0

≥ 93.0

Fe, %

≤ 0.003

≤ 0.005

≤ 0.02

Insol. in water, %

≤ 0.02

≤ 0.03

≤ 0.05

Free alkali (Na2SO3) Assay, %

≤ 0.10

≤ 0.40

≤ 0.80

Sulphate (Na2SO4) Assay, %

≤ 2.5

—

—

Chlorides (NaCl) Assay, %

≤ 0.10

—

 

Packing:

25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand.

Specifications:

white crystal or powder; pH of aqueous solution: 9-9.5, At 33.4oC,it solubility is 28%. Density: 2.633(15.4oC), refracitive index: 1.565; Molecular weight126.04.
H.S code: 283210

Use:

Used as deoxidant and bleaching agent for printing & dyeing industry; also used for paper making, electronic and water treatment industries.

Total0bar [View All]  Related Comments
 
more»Other products

[ Products search ] [ favorites ] [ Tell friends ] [ Print ] [ Close ]