Sodium Hyposulphite Na2s2o3.5H2O CAS No: 7772-98-7

• CAS No.: 7772-98-7
• Formula: Na2s2o3/Na2s2o3 5H2O
• EINECS: 231-867-5
• Purity: ≥99%
• Type: Sodium Hyposulfite
• Appearance: Granular
• Model NO.: CZ
• Grade Standard: Industrial Grade
• Transport Package: 25kg Bag or Big Bag
• Trademark: cz
• Origin: China
• Production Capacity: 1000 Kilogram/Kilograms Per Week

Product Description

Product Description

Subjects	Standard	Result
Na2S2O3.5H2O %	≥ 99	99.20
Water insoluble %	≤ 0.03	0.02
Na2S %	≤ 0.003	0.001
NaCl %	≤ 0.20	0.11
PH (200g/L)	6.5 - 9.5	8.1
Appearance	White Crystalline

Detailed Photos

Application

1.The photographic industry is used as a photographic fixer.
2.The paper industry is used as a ch lorine removal agent after pulp bleaching.
3.The printing and dyeing industry is used as a dechlorination agent for bleaching of cotton fabrics.
4.Analytical chemistry is used as a reagent for chromatography and capacity analysis.
5.Agent, disinfectant.

Packaging & Shipping

FAQ

Q1:Can I get a sample?
A:Free samples is available,while the shipping cost should undertake by your side.

Q2: How long will it take to get the good?

A:Depending on your location,For small order, please expect 5-7 days by DHL, UPS, TNT, FEDEX, EMS. For mass orders, please allow 5-8 days by air, 20-35 days by sea.

Q3:How about the price? Can you make it cheaper?
A:We always take the customers benefit as the top priority , price is negotiated under different conditions, we are assuring you to get the most competitive price.

Q4:Is there any discount?
A:Yes, for large quantities, we always support with better price.

Q5:Are you able to deliver on time?
A:Of course! We have been focusing on this production line for many years, many customers trade with us, because we can deliver on time and maintain the highest quality!