Merck 105125 0250 Potassium Thiocyanate Gr For Analysis Acs,iso 250 GR.

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Description
Catalogue Number	105125
Replaces	PX1630; PX1630-20; PX1630-1
Synonyms	Potassium sulfocyanide

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Product Information
CAS number	333-20-0
EC index number	615-004-00-3
EC number	206-370-1
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	CKNS
Chemical formula	KSCN
Molar Mass	97.18 g/mol
HS Code	2842 90 80
Structure formula Image
Quality Level	MQ300

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Physicochemical Information
Boiling point	>400 °C (1013 hPa) Not applicable,(decomposition)
Density	1.890 g/cm3 (20 °C)
Melting Point	173 °C
pH value	5.3 - 8.7 (97.2 g/l, H₂O, 25 °C)
Vapor pressure	<0.1 hPa (20 °C)
Bulk density	750 - 1000 kg/m3
Solubility	>1000 g/l

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Toxicological Information
LD 50 oral	LD50 Rat 854 mg/kg

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n
Hazard Statement(s)	H302 + H312 + H332: Harmful if swallowed, in contact with skin or if inhaled.\nH318: Causes serious eye damage.\nH412: Harmful to aquatic life with long lasting effects.\nEUH032: Contact with acids liberates very toxic gas.
Precautionary Statement(s)	P273: Avoid release to the environment.\nP280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.\nP301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.\nP302 + P352 + P312: IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/doctor if you feel unwell.\nP304 + P340 + P312: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Danger
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	3\nRelatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

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Safety Information
Categories of danger	harmful, dangerous for the environment

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Storage and Shipping Information
Storage	Store at +2°C to +30°C.

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Specifications
Assay (argentometric)	≥ 99.0 %
Insoluble matter	≤ 0.003 %
pH-value (5 %; water, 25 °C)	5.3 - 8.5
Chloride (Cl)	≤ 0.005 %
Sulfate (SO₄)	≤ 0.002 %
Sulphide (S)	≤ 0.001 %
Heavy metals (as Pb)	≤ 0.0005 %
Cu (Copper)	≤ 0.0002 %
Fe (Iron)	≤ 0.0001 %
Na (Sodium)	≤ 0.005 %
NH₄ (Ammonium)	≤ 0.002 %
Pb (Lead)	≤ 0.0002 %
Iodine consuming substances	≤ 0.025 %
Corresponds to ACS,ISO,Reag. Ph Eur