BARIUM SULPHATE AR

BARIUM SULPHATE AR
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
B0036700500 AR 97.5% 7727-43-7 BaSO4 233.39 2833.2700
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White powder

pH value

7

Melting Point/ Freezing point [°C]

1580°C

Boiling point [°C]

1600°C

Density [g/cm3]

4.5

Solubility in water [% weight]

Insoluble in water

Specifications

Appearance:

 Fine, white, odorless, tasteless, bulky powder, free from grittiness

Heavy metal (as Pb):

 Max 0.001%

Arsenic (As):

 Max 0.0002%

Solubility:

 Practically insoluble in water, in organic solvents, and in solutions of acids and of alkalies

Identifications:

 To comply IP, BP, USP tests

Acidity or alkalinity:

 To comply IP, BP tests

Phosphate (PO4):

 To comply IP tests

Sulphide (S):

 Max 0.5 µg/g (to comply IP test)

Assay (as BaSO4):

 97.5 -100.5%

pH (10% w/w solution):

 3.5 –10.0

Acid soluble matter:

 Max 0.3%

Oxidisable sulfur compounds:

 To comply BP test

Soluble barium salts:

 Max 0.001% (to comply IP test)

Loss on ignition (at 600 ± 50°C):

 Max 2.0 %

Bulkiness:

 To comply IP tests

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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