Density

2.04 g/cm3 (20 °C)

pH value

4.1 - 4.5 (50 g/l, H₂O, 25 °C)

Bulk density

880 kg/m3

Solubility

850 g/l

LD 50 oral

LD50 Rat > 2000 mg/kg

LD 50 dermal

LD50 Rabbit > 7940 mg/kg

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

Store at +5°C to +30°C.

Assay (alkalimetric)

99.0 - 102.0 %

Insoluble matter

≤ 0.01 %

pH-value (5 %; water, 25 °C)

4.1 - 4.5

UV absorption (280 nm; 1 mol/l; 1 cm; water)

≤ 0.05

Chloride (Cl)

≤ 0.0005 %

Sulfate (SO₄)

≤ 0.003 %

Total nitrogen (N)

≤ 0.001 %

Heavy metals (ACS)

≤ 0.0005 %

Ca (Calcium)

≤ 0.005 %

Fe (Iron)

≤ 0.0005 %

K (Potassium)

≤ 0.005 %

Corresponds to ACS,Reag. Ph Eur