Merck 105125 Potassium thiocyanate for analysis EMSURE® ACS,ISO,Reag. Ph Eur CAS No.: 333-20-0 1 kg

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MERCK

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LB.M.105125.1000

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Synonym(s): Potassium thiocyanate, Potassium sulfocyanide Empirical Formula (Hill Notation): CKNS CAS Number: 333-20-0 Molecular Weight: 97.18 MDL number: MFCD00011413 UNSPSC Code: 12352302 EC Index Number: 206-370-1 NACRES: NA.21 Assay: ≥99.0% (silver nitrate titration) Grade: ACS reagent Form: crystalline

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MERCK 105125

MERCK 105125 Potassium thiocyanate for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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

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

Physicochemical Information
Boiling point	>400 °C (1013 hPa) Not applicable,(decomposition)
Density	1.91 g/cm3 (20 °C)
Melting Point	177 °C
pH value	5.3 - 8.5 (50 g/l, H₂O, 20 °C)
Vapor pressure	<0.001 hPa (20 °C)
Bulk density	750 - 1000 kg/m3
Solubility	>1000 g/l

Toxicological Information
LD 50 oral	LD50 Rat 854 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H302 + H312 + H332: Harmful if swallowed, in contact with skin or if inhaled. H318: Causes serious eye damage. H412: Harmful to aquatic life with long lasting effects. EUH032: Contact with acids liberates very toxic gas.
Precautionary Statement(s)	P273: Avoid release to the environment. P280: Wear eye protection. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P313: Get medical advice/ attention.
Signal Word	Danger
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Hazard Symbols	Harmful
Categories of danger	harmful, dangerous for the environment
R Phrase	R 20/21/22-32-52/53 Harmful by inhalation, in contact with skin and if swallowed.Contact with acids liberates very toxic gas.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase	S 13-36/37-46-61 Keep away from food, drink and animal feedingstuffs.Wear suitable protective clothing and gloves.If swallowed, seek medical advice immediately and show this container or label.Avoid release to the environment. Refer to special instructions/ Safety data sheets.

Storage and Shipping Information
Storage	Store at +5 °C to +30 °C.

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

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