پتاسیم کلرید 104936 مرک

Product Information
CAS number	7447-40-7
EC number	231-211-8
Hill Formula	ClK
Chemical formula	KCl
Molar Mass	74.55 g/mol
HS Code	3105 10 00

Applications
Application	Potassium chloride for analysis EMSURE®. CAS No. 7447-40-7, EC Number 231-211-8.

Physicochemical Information
Boiling point	1413 °C (1013 hPa)
Density	1.98 g/cm3 (20 °C)
Melting Point	773 °C
pH value	5.5 - 8.0 (50 g/l, H₂O, 25 °C)
Bulk density	1000 kg/m3
Solubility	347 g/l

Toxicological Information
LD 50 oral	LD50 Rat 2600 mg/kg

Safety Information according to GHS
RTECS	TS8050000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly water endangering
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 (argentometric)	≥ 99.5 %
In water insoluble matter	≤ 0.01 %
pH-value (5 %; water)	5.5 - 8.0
Bromide (Br)	≤ 0.05 %
Iodide (I)	≤ 0.002 %
Phosphate (PO₄)	≤ 0.0005 %
Sulphate (SO₄)	≤ 0.005 %
Total nitrogen (N)	≤ 0.001 %
Heavy metals (as Pb)	≤ 0.0005 %
Ba (Barium)	≤ 0.001 %
Ca (Calcium)	≤ 0.001 %
Fe (Iron)	≤ 0.0003 %
Mg (Magnesium)	≤ 0.002 %
Na (Sodium)	≤ 0.02 %