Sodium Sulfate CAS#7757-82-6

Sodium Sulfate CAS#7757-82-6

Basic Information

Naturally Occurring and Industrially Useful:Sodium sulfate exists naturally as thenardite and can be sourced from regions like Chile and Spain, providing a reliable raw material for industrial applications.


High Melting Point:With a melting point of 888°C (1632°F), it is thermally stable, making it suitable for high-temperature processes such as glass and paperboard manufacturing.


Versatile Applications:Used widely in the production of paperboard, glass, freezing mixtures, and sodium bisulfate, demonstrating broad industrial utility.


Water-Soluble Hydrate Form:The decahydrate form, known as Glauber’s salt, is a stable, water-soluble compound used in dyeing, glass production, and other chemical processes.



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product description

Product Description of ‌Sodium Sulfate CAS#7757-82-6

Sodium sulfate (thenardite/salt cake, mp 888 °C) occurs naturally in Chile/Spain, used in paperboard, glass and freezing mixtures. Its decahydrate (Glauber’s salt) is a water-soluble solid made from NaCl+H₂SO₄, applied in dyeing, glass and sodium bisulfate production.


Product Application of Sodium Sulfate CAS#7757-82-6

Sodium sulfate is used as a detergent filler, paper sulfate pulp cooking agent, glass soda substitute, and raw material for sodium sulfide and sodium silicate. Additional uses include Vinylon spinning coagulation, pharmaceutical laxative, non-ferrous metallurgy and leather processing.

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Product Information

Parameters


Melting point884 °C (lit.)
Boiling point1700°C
bulk density1400-1600kg/m3
density2.68 g/mL at 25 °C (lit.)
refractive index1.484
storage temp.Store at +5°C to +30°C.
solubilityH2O: 1 M at 20 °C, clear, colorless
pka1.99
formpowder (fine)
colorWhite
Specific Gravity2.68
Odorwh. cryst. or powd., odorless, bitter saline taste
PH5.2-8.0 (50g/l, H2O, 20℃)
PH Range5.2 - 9.2
Water Solubility18.5 mg/L
λmaxλ: 260 nm Amax: 0.015
λ: 280 nm Amax: 0.015
SensitiveHygroscopic
Merck148,680
Dielectric constant2.7(Ambient)
Stability:Stable. Incompatible with strong acids, aluminium, magnesium, strong bases. Hygroscopic.
LogP-1.031 (est)
CAS DataBase Reference7757-82-6(CAS DataBase Reference)
NIST Chemistry ReferenceSodium sulfate(7757-82-6)
EPA Substance Registry SystemSodium sulfate (7757-82-6)


Safety Information


Hazard CodesXi
Risk Statements36/37/38
Safety Statements24/25
WGK Germany1
RTECSWE1650000
F3
TSCAYes
HS Code28331100
Hazardous Substances Data7757-82-6(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: > 2000 mg/kg


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FAQ

1. What kind of company is Bohai New Materials?
Bohai New Materials (Tianjin) Co., Ltd. is a foreign trade company specializing in the international trade of chemical products, located in the Binhai New Area of ​​Tianjin. Leveraging the strategic location of Tianjin Port, the company provides one-stop procurement and export services to global clients for a wide range of products, including plastic resins, basic chemical raw materials, fine chemicals, chemical fiber raw materials, and inorganic chemicals.


2. Which markets does the company serve?
Our products are primarily exported to Southeast Asia (Vietnam, Thailand, Indonesia, Malaysia), the Middle East (UAE, Saudi Arabia), Africa (Nigeria, Kenya), as well as Europe and the Americas.


3. Does the company have the qualifications to export hazardous chemicals?
Yes. We hold a valid license for the operation of hazardous chemicals and are well-versed in the export declaration, packaging, documentation, and transportation requirements for various types of hazardous goods. We are capable of handling the export of Class 3, Class 5, Class 8, and Class 9 hazardous chemicals.


4. What are the company's main products?
Our core product portfolio includes:
Plastic resins: PP, PE, PVC, ABS, PC, POM, etc.
Basic chemical raw materials: Soda ash, caustic soda, titanium dioxide, methanol, styrene, ethylene glycol, PTA, etc.
Fine chemicals: Pharmaceutical intermediates, pesticide intermediates, chemical additives, solvents, surfactants.
Chemical fiber raw materials: Polyester filament, polyester staple fiber, polyester chips (PET).
Inorganic chemicals: Calcium carbonate, talc powder, sodium sulfate, calcium chloride, magnesium chloride, etc.
Others: Paraffin wax, white oil, petroleum jelly (Vaseline), rubber, water treatment chemicals, etc.
If you have specific product requirements, please feel free to contact us; we will quickly source high-quality products to meet your needs.


5. How can I obtain a product quote? What information is required?
You can contact us via our official website, by phone, or by email. To ensure a quick and accurate quote, please provide the following details: product name and specifications, target purchase quantity, destination port, and desired delivery time. Please also inform us of any special packaging or testing requirements.

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