Wholesale Price CAS 7775 -14- 6 Na2s2o4 85% 88% 90% Sodium Hydrosulfit E

Model NO.
7775-14- 6
Colour
White
Other Names
Sodium Dithionit E
Applications
Textile/Metallurgica/Medicine-Making/Papermaking
Transport Package
1kg/Bag, 25kg/Bsg
Specification
25kg/bag
Trademark
7601-54-9
Origin
China
HS Code
2831101000
Production Capacity
10000 Ton/Tons Per Week
Reference Price
$ 450.00 - 513.00

Product Description

Product Description

odium Hydrosulfite

CAS NO. 7775-14- 6 HS.CODE 28311010
EINECS NO. 231-890-0 HAZARD CLASS 4.2
UN NO. 1384 Storage Condition Store at +5°C to +30°C
APPEARANCE White to Gray-White crystalline powder
Odor Odorless or a slight odor of SO2 gas
Solubility Easily Soluble in Water, Insoluble in Ethanol
Standards Code Conformed HG/T2074-2011 for industrial use
Stability Stable, but air sensitive. Incompatible with strong acids, strong oxidizing agents, water, moisture.
Sensitive Moisture Sensitive
Use Mainly used as printing and dyeing reducing agent, Pulp, hemp, oil and other bleaching agents, and for pharmaceutical, Analytical reagents, etc

 

Detailed Photos
Wholesale Price CAS 7775-14- 6 Na2s2o4 85% 88% 90% Sodium Hydrosulfit E
Wholesale Price CAS 7775-14- 6 Na2s2o4 85% 88% 90% Sodium Hydrosulfit E

 

 

Product Parameters
ITEM UNIT STANDARD STANDARD STANDARD STANDARD
Sodium Hydrosulphit e:Na 2 S 2 O 4 % 74 min 85 min 88 min 90 min
Water insoluble % 0.1 max 0.05 max 0.05 max 0.05 max
Sodium thiosulfate: Na 2 S 2 O 3 % 1.20 max 1.20 max 1.0 max 0.8 max
Sodium metabisulfite: Na 2 S 2 O 5 % 5-7 5-7 5-7 5-7
Sodium bisulfit e:Na 2 SO 3 % 0.5 max 0.5 max 0.4 max 0.3 max
Sodium carbonate: Na 2 CO 3 % 0.6-7 max 0.6-7 max 0.6-7 max 0.6-7 max
Zinc(Zn) % 1ppm max 1ppm max 1ppm max 1ppm max
Other heavy metal (calculated as Pb) % 1ppm max 1ppm max 1ppm max 1ppm max
Fe % 20ppm max 20ppm max 20ppm max 20ppm max
 
Application

1, In food industry, it is used as bleaching agents, preservatives, loosen agents, antioxidants, color protecting agents and preservatives.

2,The Doctor industry is used for the production of chlorofor m, phenylpropane and benzaldehyde.

3,The rubber industry is used as a coagulant.

4,The printing and dyeing industry is used as a dechlorination agent for cotton bleaching and a cotton cooking agent.

5,Tannery industry for leather treatment, can make leather soft, plump, tough, with waterproof, anti - folding, wear resistance and other properties.

Wholesale Price CAS 7775-14- 6 Na2s2o4 85% 88% 90% Sodium Hydrosulfit E

 
Packaging & Shipping

1. Weight <1kg ---- Fluorinated bottle
2. 25kg ---- Plastic bucket
3. 180- 200kg ---- Drum
P.S.: we accept packaging customization.
4.We ship goods via DHL, Fedex, UPS, TNT, China post, NL Post and other couriers, weight from 10g to 1000kg or even bulker.
5.Shipping details & shipping documents will be provided and sent to customers as long as it is ready.
6.We keep tracking the shippment until clients well received.

7.After years export shipping experience, with professional and experienced cooperated forwarders, we ensure that goods can be delivered in multiple ways safetly and efficiently.

 

Company Profile

Hebei Rongxintong Industrial Co., Ltd. is the specialized chemical, processing and sales enterprise. 

our products enjoy good reputation both at home and abroad.Our trade partners are around the world, mainly in America,Europe,Australia,South East Asia ,Middle East and South Africa. In order to serve customers well, the company has established special technical department and after-sale service department. We will make careful reply if you get any question.

The company with all the employees will constantly purse excellent quality, perfect brand and our image, and adheres to our spirit of honesty, diligence, seeking truth and progress and insists on business philosophy of quality as life and service as soul. We will satisfy market demands by top products and better service, and will welcome market challenge forever.

After services

 

1.Our product could meet various usa   ges from different customers and we produce and supply the same product as customer's sample.
2.We have strict control in quality and regard guide sample as production core.
3.Our product has good dispersibility and strict material control in iron sheet to prevent heavy metal out of limits.

FAQ

Q1 :Can i get some samples?

A1 :Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2 :How to start orders or make payments?

A2 :Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Paypal.

Q3 :How to confirm the Product Quality before placing orders?

A3 :You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q4 :What's your MOQ?

A4 :Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q5 :How about delivery lead time?

A5 :Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)

Q6 :Is there a discount?

A6 :Different quantity has different discount.

Q7:How do you treat quality complaint

A7 :First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.