• Sodium sulfate

  • Grade: ACS,ISO,Reag. Ph Eur ; Hill Formula: Na₂O₄S ; Chemical formula: Na₂SO₄ ; Molar Mass: 142.04 g/mol ; Code: 1066491000
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Physicochemical Information

Density

2.70 g/cm3 (20 °C)

Melting Point

888 °C

pH value

5.2 - 8.0 (50 g/l, HO, 20 °C)

Bulk density

1400 - 1600 kg/m3

Solubility

200 g/l

Toxicological Information

LD 50 oral

LD50 Rat > 2000 mg/kg

Safety Information according to GHS

RTECS

WE1650000

Storage class

10 - 13 Other liquids and solids

WGK

WGK 1 slightly hazardous to water

Disposal

14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Storage and Shipping Information

Storage

Store at +5°C to +30°C.

Transport Information

Declaration (railroad and road) ADR, RID

Kein Gefahrgut

Declaration (transport by air) IATA-DGR

No Dangerous Good

Declaration (transport by sea) IMDG-Code

No Dangerous Good

Specifications

Assay (alkalimetric)

≥ 99.0 %

Assay (alkalimetric, calculated on dried substance)

98.5 - 101.0 %

Identity

passes test

Appearance of solution

passes test

Insoluble matter

≤ 0.01 %

Acidity or alkalinity

passes test

pH-value (5 %; water; 25 °C)

5.2 - 8.0

Chloride (Cl)

≤ 0.001 %

Phosphate (PO)

≤ 0.001 %

Total nitrogen (N)

≤ 0.0005 %

Heavy metals (ACS)

≤ 0.0005 %

Heavy metals (as Pb)

≤ 0.0005 %

As (Arsenic)

≤ 0.0001 %

Ca (Calcium)

≤ 0.005 %

Fe (Iron)

≤ 0.0005 %

K (Potassium)

≤ 0.002 %

Mg (Magnesium)

≤ 0.001 %

Loss on drying (130 °C)

≤ 0.5 %

Loss on ignition (800 °C)

≤ 0.5 %

Corresponds to ACS, ISO, Reag. Ph Eur

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