ALUMINIUM SULPHATE OCTADECAHYDRATE

ALUMINIUM SULPHATE OCTADECAHYDRATE AR

Alum; Dialuminum sulfate octadecahydrate

Article No.

00974

Grade

Purity

98%

CAS No.

7784-31-8

Molecular Formula

AI₂(SO₄)₃.18H₂O

Molecular Weight

666.42

H.S. Code

2833.2210

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical state at 20 °C

Solid

Colour

White powder

pH value

3 - 4

Melting point/ Freezing point [°C]

86 °C

Solubility in water [% weight]

Soluble in water

Appearance	A white crystalline powder
Assay ( as AI2(SO4)3.18H2O]; complexometric)	98 - 102%
Insoluble matter	Max 0.01%
Reaction	Min pH 2.5
Chloride (Cl)	Max 0.001%
Ammonium (NH4)	Max 0.01%
Copper (Cu)	Max 0.001%
Iron (Fe)	Max 0.002%
Heavy metal (as Pb)	Max 0.001%
Calcium (Ca)	Max 0.01%
Magnesium (Mg)	Max 0.002%
Potassium (K)	Max 0.005%
Sodium (Na)	Max 0.02%
Substance not precipitated by ammonia (as SO4)	Max 0.2%

Symbol: GHS05
Signal Word: Danger
Hazardous Statement: H318
Precaution Statement: P280-P305 + P351 + P338

Revision Date : 30-Mar-2021