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Top Quality Sodium Sulfite/Sulphite CAS 7757-83-7 with Best Service

Name: Top Quality Sodium Sulfite/Sulphite CAS 7757-83-7 with Best Service
Brand: HebeiShunXing
SKU: pr2410251083
Price: 404.71 USD
Availability: InStock

32 Inquiries

Unit Price: Get Latest Price 

CAS No.:

7757-83-7

Grade:

Industrial Grade

Content:

99%

Port:

QINGDAO

Brand:

HebeiShunXing

Packaging:

25KG/Bag

Price valid (until):

2025-08-08

Contact Supplier

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Hebei Shunxing Import and Export Co.,Ltd

Company Type:

Trader

Location:

China

Qualification:

Main Products:

HPMC,Lithium Carbonate,Cellulose Acetate Tow,EVA resin,Terpene Resin,PP fiber

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Term	Quality Index
Term	Industry Grade	Food Grade
Purity ( As Na2SO3)	96.0% min	98.0% min
Sodium sulphate ( SO4)	2.5% max	1.5% max
Chlorides ( As NaCL)	0.5% max	0.1% max
Ars enic ( As )	-	0.0002% max
Heavy metals ( As Pb )	-	0.0005% max
Iron (Fe)	0.005% max	0.002% max
Water insolubles	0.05% max	0.02% max

Usage:

widely used in bleaching, glass, paper making, tanning, metal smelting, surface treatment and filler industries.

It is aslo Used in chemical industry as material of manufaturing sodium sulphide,sodium silicate and other

chemical products.

Packing and transportation

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The product is packed in polyethylene bag enclosed in composite fiberboard drum or paper bag.
The net weight is 25 kg/drum or 25 kg/bag .
The product should be kept in the original bag and stored in the dry and clean place far away from the source of heat and not put together with other chemicals.

Corporate advantage

Hebei Shunxing Import and Export Co., Ltd. is a large chemical trading company in North China. The company not only excels in service, but also strictly controls product quality.

Over the years, quality testing technology has been continuously improved, and an industry level quality inspection and supervision system has been established. Equipped with advanced domestic quality testing instruments, product quality has steadily improved, winning the support and trust of more customers!

The company has established a sound and excellent domestic and international marketing system, providing customers with various high-quality and cost-effective chemical raw materials.

At the same time, it fully utilizes its extensive sales channels and business experience, and also leverages the advanced professional technology of foreign partners such as Japan to provide customers with consulting services such as technology introduction. As a professional trading company, we have maintained good cooperative relationships with major manufacturers across the country for a long time, and have signed long-term sales agency contracts with multiple domestic and foreign customers.

We have a stable and good customer base in both domestic and foreign markets, and have also established reliable partnerships with well-known enterprises in countries and regions such as Japan and Southeast Asia.

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P roduction:our associate factory possesses 20000T/a of capacity for Phospha tes & 3000T/a of capacity for polymers. And it possess production facility conforms to G M P standard, which could assure you high quality APIs and intermediates.

R & D: our associate factory own synthetic and biochemical labs, sophisticated multifunctional pilot workshop which is able to customize chemical products from the level in gram to that in kilogram and excel at process scale-up from lab to workshop.

Export:1. Water treatment chemicals, mainly includes series of organic , biocide and polymer.
2. Fine chemicals, mainly includes flame retardant, pharmaceutical raw materials & intermediates. Our products are exported to many countries and areas such as Europe, North America, South America, Southeast Asia, etc.

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Basic Info

Product Name:

Sodium sulfite

Other Name:

Sulfurous acid,sodium salt (1:2);Sulfurous acid,disodium salt;Anhydrous sodium sulfite;Disodium sulfite;Sodium sulfite (Na2SO3);Sodium sulfite anhydrous;Sodium sulfite;Disodium sulfite (Na2SO3);S-WAT;E 221;68135-69-3

CAS No.:

7757-83-7

Molecular Formula:

H2O3S.2Na

InChIKeys:

InChIKey=YKZJGZHPDUVUKN-UHFFFAOYSA-N

Molecular Weight:

126.037

Exact Mass:

125.936356

EC Number:

231-821-4

UNII:

VTK01UQK3G

ICSC Number:

1200

DSSTox ID:

DTXSID2044260

NCI Thesaurus Code:

C28205

Color/Form:

Small crystals or powder|White hexagonal crystals|White crystals or powder

HScode:

28321000

Categories:

Characteristics

PSA:

82.4

XLogP3:

-4

Appearance:

Sodium sulfite is a white odorless powder. Density 2.633 g / cm3. Moderately toxic. Sinks in water and dissolves slowly. Also transported as a heptahydrate Na2SO3.7H2O.

Density:

2.63 g/cm³

Melting Point:

>500°C

Boiling Point:

Decomposes (NTP, 1992)

Refractive Index:

1.484

Water Solubility:

H2O: 23 g/100 mL (20 ºC)

Storage Conditions:

Sodium sulfite should be stored in a well-closed container in a cool, dry, place. In solution, sodium sulfite is slowly oxidized to sulfate by dissolved oxygen; strong acids lead to formation of sulfurous acid/ sulfur dioxide. On heating, sodium sulfite decomposes liberating sulfur oxides.

Vapor Pressure:

Negligible (NTP, 1992)

Toxicity:

Non-toxic

Odor:

Odorless

Taste:

Saline, sulfurous taste

PH:

8,5-11,5 (anhydrous: 10 % solution; heptahydrate: 20 % solution)

Experimental Properties:

Density: 1.539. MP: decomposes; loses 7 H2O at 150 °C /Sodium sulfite heptahydrate/|Efflorescent crystals. Unstable, oxidizing in air to sulfate. Soluble in 1.6 parts water, about 30 parts glycerol; sparingly soluble in alcohol. Aqueous solution is alkaline and dissolves sulfur; pH approximately 9 /Sodium sulfite heptahydrate/

Air and Water Reactions:

Soluble in water. Reacts with hot water, steam or acids to produce corrosive material.

Reactive Group:

Sulfite and Thiosulfate Salts

Reactivity Alerts:

Strong Reducing Agent

Reactivity Profile:

SODIUM SULFITE is a reducing agent, particularly under basic conditions. Reacts with oxidizing agents such as peroxides, epoxides, oxoacids. Emits toxic fumes of sodium oxide and oxides of sulfur if heated to decomposition [Lewis, 3rd ed., 1993, p. 1174].

Autoignition Temperature:

Not flammable (USCG, 1999)

See More Sodium sulfite Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Separated from strong oxidants and acids. Store in an area without drain or sewer access.

See More Sodium sulfite Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
HPMC,Lithium Carbonate,Cellulose Acetate Tow,EVA resin,Terpene Resin,PP fiber

Location:
Building 4, Feicui Building, No. 366 Xinshi North Road, Qiaoxi District, Shijiazhuang City, Hebei Province

Payment Terms:
TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
7

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2024

Hebei Shunxing Import and Export Co., Ltd. distributes and wholesales best-selling chemical products in the consumer market, enjoying a high position among consumers. The company has established long-term and stable cooperative relationships with multiple retailers and agents. The company was founded in 2012 and has a sales history of over 10 years. There are around 160 employees. Hebei Shunxing Import and Export Co., Ltd. operates a complete range of chemical products at reasonable prices. Our company has strong strength, values credit, abides by contracts, and guarantees product quality. With the characteristics of diversified business and the principle of small profits and quick sales, we have gained the trust of more and more customers. In today's increasingly transparent product prices, our company has won the trust of our customers with its thoughtful service and excellent product quality, and has established a mutually beneficial cooperative relationship with them. The company will continue to make friends from all walks of life in an honest and mutually beneficial manner, warmly welcoming friends from all walks of life。
The company's main products are HPMC, PM, MDEA, LAS60%, Tween (R) 80, EDTA,white oil and so on.Most of them belong to general organic chemicals

Inquiry History

32 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Sodium Sulfite anhydrous 98 %	200.00 KG	Apr 19, 2024
South Africa	Sodium Sulphite	50 MT	Feb 18, 2026
India	Sodium sulphite	10.00 MT	Feb 11, 2026
United States	Sodium Sulfite	1 MT	Nov 26, 2025
United Arab Emirates	Sodium sulfite 96%	25.00 KG	Jul 24, 2025
Russia	sodium sulfite, anhydrous	100 TON	Jul 23, 2025
Qatar	Sodium Sulphite (Na2SO3)	10.00 MT	Jun 20, 2025
Saudi Arabia	Sodium Sulfite	1 KG	Jun 5, 2025
India	sodium sulfite	20.00 TON	Apr 1, 2025
Kuwait	ANHYDROUS SODIUM SULPHITE	12800 MT	Jul 25, 2024
Kuwait	Sodium Sulfite Anhydrous	12800 MT	Jul 25, 2024
India	Sodium Sulphite	20.00 MT	May 20, 2024
Myanmar	SODIUM SULFITE	26 TON	Jan 24, 2024
Trinidad and Tobago	Sodium sulfite 98% white powder	31.2 MT	Nov 3, 2023
Egypt	96% Sodium Sulfite	40 MT	Apr 30, 2026
Qatar	Sodium Sulphite	25 TON	Dec 23, 2024
India	Sodium sulphite	1.00 MT	Jun 26, 2024
Vietnam	Sodium sulfite	1 20' Fcl	Jul 3, 2023
Vietnam	Sodium Sulphite	27 TON	Jul 1, 2024
India	Allyl bromide	4000 KG	May 11, 2026

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