Technical Information
| Soda caustic | Synonym |
|---|---|
|
1310-73-2
|
CAS-No
|
|
215-185-5
|
EC-No
|
|
NaOH
|
Linear formula
|
|
White solid, hygroscopic
|
Appearance
|
|
1090 g/l (20ºC)
|
Solub. in H2O
|
|
14 (50 g/l, H2O, 20ºC)
|
pH value
|
|
40.00g/mol
|
Molecular Weight
|
|
323ºC
|
Melting point
|
|
1390ºC
|
Boiling point
|
|
2.13 g/cm3
|
Spec. density
|
|
2815-11-00
|
HS-No
|
|
Skin corrosion, Corrosive to metals, Danger, H314, H290, P280, P301 + P330 + P331, P309 + P310, P305 + P351 + P338 LGK 8 B
|
GHS
|
|
Keep container tightly closed in a dry and well-ventilated place
|
Storage Conditions
|
|
98.0-100.5%
|
Assay
|
|
≤0.0003%
|
Arsenic (As)
|
|
≤0.001%
|
Aluminium (Al)
|
|
≤0.0005%
|
Copper (Cu)
|
|
≤0.00005%
|
Lead (Pb)
|
|
≤0.1%
|
Potassium (K)
|
|
≤0.0005%
|
Heavy metals (as Pb)
|
|
≤0.5%
|
Carbonate (CO3)
|
|
≤0.005%
|
Chloride (Cl)
|
|
≤0.002%
|
Phosphate (PO4)
|
|
≤0.003%
|
Sulfate (SO4)
|
|
≤0.0005%
|
Total nitrogen)
|
