Sodium sulfate CAS#7757-82-6

Sodium sulfate Chemical Properties

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: 0.015
λ: 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.

Cosmetics Ingredients Functions

BULKING
VISCOSITY CONTROLLING

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChIKey

PMZURENOXWZQFD-UHFFFAOYSA-L

SMILES

[Na+].[Na+].[O-]S([O-])(=O)=O

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

Risk Statements 

36/37/38

Safety Statements 

24/25

WGK Germany 

1

RTECS 

WE1650000

F 

3

TSCA 

TSCA listed

HS Code 

28331100

Storage Class

13 - Non Combustible Solids

Hazardous Substances Data

7757-82-6(Hazardous Substances Data)

Toxicity

LD50 orally in Rabbit: > 2000 mg/kg