High Quality Sodium Sulfite Anhydrous CAS 7757-83-7

• Customization: Available
• CAS No.: 7757-83-7
• Certification: SDS
• Model NO.: 7757-83-7
• Purity: 99%
• Type: Conditioning Agent
• Appearance: Powder.
• Grade Standard: Industrial Grade
• Product Name: 7757-83-7
• Selling Units: Single Item
• Odor: Characteristic Odor
• Ethylene Glycol Content, %: ≤1.0
• Transport Package: Paper Bag
• Specification: in 25 KG kraft paper bag
• Trademark: RANDA
• Origin: Hebei
• Production Capacity: 500000kg

Product Description

 

Product Description

Sodium sulfite is an inorganic substance with the chemical formula Na2SO3. It is a sulfite of sodium and is mainly used as a stabilizer for artificial fibers, fabric bleach, photographic developer, dyeing and bleaching deoxidizer, spice and dye reducing agent, and lignin remover for papermaking.

Detailed Photos

 

Product Parameters

    

ITEM	SPECIFICATION	TEST RESULT
Na2SO3 content	98.0 %min	98.30%
Sodium sulphate	1.5%max	1.0%
Sodium chloride (NaCL)	0.1%max	0.08%
Iron (Fe)	0.003%max	0.0015%
Water insoluble	0.05%max	0.02%
Heavy metal as Pb	10PPM MAX	5PPM
Free alkali (as Na2CO3)	0.30%max	0.24%

 

Packaging & Shipping

 

• Packing: Usually in 25 KG kraft paper bag; 
• Reply Time: Sales managers respond within 24 hours.
• Product Validity: Typically 2 years.
• Sample Requests: Free samples upon agreed pricing, with shipping costs upfront.
• Loading Port: Primarily TIANJIN port.

Certifications

 

 

Company Profile

 

Shijiazhuang Randa Technology Co., Ltd. is a manufacturer and exporter mainly engaged in producing chemical products such as washing raw materials. It is committed to providing customers with cost-effective chemical raw materials. The factory environment is elegant, well-equipped, and has sufficient resources, the company has advanced technology and professional and technical personnel. The company's sales have grown steadily since its inception. The company adheres to the business philosophy of "quality and price, customer first", which is effectively reflected in operation and is committed to providing customers with sufficient supply, stable and reliable quality.

FAQ

Q1. Are you a factory or trading company?
A: We are a factory with an integrated sales team, designers, and showroom. We provide comprehensive assistance to help buyers choose suitable products. All inquiries are responded to within 24 hours.

Q2. Can I get samples for testing?
A: Yes, we provide samples. Customers cover the initial shipping costs, which are reimbursed in our first cooperation.

Q3. How does your factory ensure quality control?
A: Our factory is ISO9001:2008, REACH, and FAMIQS certified, ensuring rigorous quality control. Each Batch of goods do an SGS inspection before leaving our factory.

Q4. What's your Delivery Time?
A: Delivery typically takes 5 to 10 days after payment receipt. Larger orders are confirmed with our production department for prompt, quality-assured delivery.

Q5. What are your payment terms?
A: We accept L/C, T/T, Western Union, and Paypal. Alternative methods can be discussed.

Q6. Which documents do you provide?
A: Standard documents include Commercial Invoice, Price List, Packing List, COA, Origin Certificate, Quality/Quantity Certificate, Beneficiary's Certificate, MSDS, B/L, and others upon request.