Sodium Sulfate CAS#7757-82-6

Sodium Sulfate CAS#7757-82-6
Industrial Versatility: Sodium sulfate is crucial in various industrial processes, including the production of glass, paperboard, and chemical manufacturing.
Chemical Process Control: It plays an essential role in controlling pH and solubility properties in chemical processes, making it indispensable for many applications.
Hydrated Form Benefits: Glauber's salt (Na₂SO₄·10H₂O) is widely used in dyeing, glass manufacturing, and the preparation of sodium bisulfate.
Natural Occurrence: Sodium sulfate occurs naturally in regions like Chile and Spain, making it an abundant resource for industrial use.
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PRODUCT DESCRIPTION

Sodium sulfate (Na₂SO₄), also known as thenardite or salt cake, is a crystalline compound with a melting point of 888°C (1632°F). Naturally occurring sodium sulfate, in its anhydrous form as thenardite, can be found in regions such as Chile and Spain. It plays a vital role in several industrial processes, including the production of paperboard, glass, and freezing mixtures.


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The hydrated form, Na₂SO₄·10H₂O, commonly referred to as Glauber's salt, is a white, water-soluble solid formed by heating a mixture of sodium chloride and sulfuric acid. Glauber's salt is widely utilized in dyeing, the manufacturing of glass, and in the preparation of sodium bisulfate. Additionally, sodium sulfate is essential in chemical processes that require specific pH control or solubility properties. Its versatility makes it a key component in various applications, contributing to industries like textiles, chemical production, and materials science.


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Parameters

Melting point

884 °C (lit.)

Boiling point

1700°C

bulk density

1400-1600kg/m3

density

2.68 g/mL at 25 °C (lit.)

refractive index

1.484

storage temp.

Store at +5°C to +30°C.

solubility

H2O: 1 M at 20 °C, clear, colorless

pka

4.76

form

powder (fine)

color

White

Specific Gravity

2.68

Odor

wh. cryst. or powd., odorless, bitter saline taste

PH

5.2-8.0 (50g/l, H2O, 20℃)

PH Range

5.2 - 9.2

Water Solubility

18.5 mg/L

λmax

λ: 260 nm Amax: 0.015λ: 280 nm Amax: 0.015

Sensitive

Hygroscopic

Merck

14,8680

Dielectric constant

2.7(Ambient)

Stability

Stable. Incompatible with strong acids, aluminium, magnesium, strong bases. Hygroscopic.

LogP

-1.031 (est)

CAS DataBase Reference

7757-82-6(CAS DataBase Reference)

NIST Chemistry Reference

Sodium sulfate(7757-82-6)

EPA Substance Registry System

Sodium sulfate (7757-82-6)


Safety Information

Hazard Codes

Xi

Risk Statements

36/37/38

Safety Statements

24/25

WGK Germany

1

RTECS

WE1650000

F

3

TSCA

Yes

HS Code

28331100

Hazardous Substances Data

7757-82-6(Hazardous Substances Data)

Toxicity

LD50 orally in Rabbit: > 2000 mg/kg

Factory and Equipment Show

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Fast transport time

Inventory 2-3 working days New manufacturing 7-10 working days

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FAQ

Q:What about your price? 
A:Our price is very competitive because we are a factory. Feel free to contact us if you are interested in our products. 

Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.

Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase. 

Q:Does the product have quality inspection before loading? 
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we
accept the third party inspection absolutely. 

Q:How about the delivery time? 
A:Within 3-15 days after we confirm you requirement. 

Q:What is your terms of payment ?
A:T/T, L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me. 

Q: Do you provide samples? 
A:Yes,we could offer the sample for you to test but please pay freight fee.

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