Sodium Sulphite Anhydrous 96% 97% 98%

• Customization: Available
• CAS No.: 7757-83-7
• Formula: Na2so3
• Model NO.: 7757-83-7
• Certification: ISO
• Purity: 96%Min
• Type: Sodium Sulphite
• Appearance: Powder
• Grade Standard: Industrial Grade
• Grade 1: Food Grade
• Grade 2: High Puirity Grade
• Purity 1: 97%Min.
• Purity 2: 96%Min.
• Transport Package: PP Bag
• Specification: 25kg /bag
• Trademark: ChoiceChem
• Origin: China
• HS Code: 2832100000
• Production Capacity: 50000ton/Year

Product Description

Product Description

Sodium Sulphite Anhydrous

1. Specifications

HG/T 2967-2000 (Industry Grade) 

Item	Quality Index
	Food Grade Sodium Sulfite	Industry Grade Sodium Sulfite
Purity (As Na2SO3)	98.0% min	96.0% min
Sodium sulphate (SO4)	1.0% max	2.0% max
Chlorides (As NaCl)	0.1% max	0.5% max
Arsenic (As)	0.0002% max	-
Heavy metals(As Pb)	0.0005% max	-
Iron (Fe)	0.002% max	0.005% max
Water insolubles	0.02% max	0.05% max
Contact us to get more information

FAQ

Question 1. How ChoiceChem control the sodium sulphite quality?

 

(1). ChoiceChem only use high purity raw material

 

A. Using 99.8% pure imported S. The high purity S allows the generation of very high purity SO₂ which is further used to making high purity sodium sulphite than usually obtained. 

ChoiceChem sodium sulphite's purity is commonly measured above 98%, which is substantially higher than Chinese national standard of 96%.

B.Using high purity soda ash, the soda ash which ChoiceChem use has an alkali content of more than 99.2%, and NaCl content of less than 0.97%. 

Our high purity soda ash help us produce higher purity sodium sulphite, and can avoid impurities (like Cl and Iron), which allows our products to better meet pulp industrial requirements.

(2).  Strict Factory Inspection System

 All products are tested every 2 hours, and substandard products are allowed to leave the factory. We also have third-party tests carried out every 3 days, 
to ensure our in-house tests are properly calibrated and accurate. 

(3). Strict package and loading system

ChoiceChem only use high quality package and packing the cargo after cooling totally, to avoid expansion caused by SO2. The cargo be loaded in our factory directly, whole loading process be inspected by supervisor.

Question 2.  What Is Your Delivery Time?
 
(1) Our delivery time is regularly updated according to the level of orders every day.
 
(2) Our current output is 300MT monthly. This allows most cargo orders to be delivered within 7 to 10 days usually.
 
Would you kindly inform us about your purchase quantity and your expectation for receiving the cargo, please?
Do kindly contact our sales representative and we will check it for you immediately, please.
 
Question  3.How Do You Make Sure That Delivery Is On Time?
 
(1) Our output is 300MT monthly, which usually allows for most cargo orders to be delivered within 7 to 10 days.
 
(2) ChoiceChem's average rate of on-time deliveries has remained above 98.9% for the past 3 years. This level of consistency is what makes us unique and our reputation for being very dependable is solid.

(3) We also guarantee that if delivery is not made in time, we will provide compensation at the rate of 0.25% of the contract amount per week till it is delivered.
 
Question 4.  Can You Do OEM Packages? 
 
Yes, we can do OEM packages per your request.
 
ChoiceChem also offers free package designing services. After you decide to work with us, our professional marketing team will help you to build your brand in your market.
 
Question 5.What's The MOQ For OEM Package?
 
The MOQ is usually 1 pallet, but if there are only 1 drum available, we can also do it.
 
Question 6. Do You Have Stock?
 
1. We sell goods and, because we always get orders in line before we start production, we don't usually stock goods. All produce is to the customer's orders. 
 
2. Our goods storage period is less than 3 days, to maintain the freshness of the goods.
 
3. Our output is 300MT monthly, which usually allows for most cargo orders to be delivered within 7 to 10 days. May I know when you need the cargo, please?
 
Question 7. I Need To Get Registered Before Importing. Can You Help With The Registration?
 
Could you kindly tell us your full registration documents requirements, please?
 
I will check with our registration department for you and we will try our best to help you finish your registration soon.
 
Welcome to ChoiceChem. Kindly contact our sales representative for more information about our factory!