Merck 104971 1000 Potassium Hexacyanoferrate(III) Pure 1 KG.

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Description
Catalogue Number	104971
Synonyms	Potassium ferricyanide

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Product Information
CAS number	13746-66-2
EC number	237-323-3
Hill Formula	C₆FeK₃N₆
Chemical formula	K₃[Fe(CN)₆]
Molar Mass	329.25 g/mol
HS Code	2837 20 00
Structure formula Image
Quality Level	MQ200

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Physicochemical Information
Density	1.85 g/cm3 (20 °C)
pH value	6.0 - 9 (329 g/l, H₂O, 25 °C)
Bulk density	900 - 1000 kg/m3
Solubility	464 g/l

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n
Hazard Statement(s)	H319: Causes serious eye irritation.\nH411: Toxic to aquatic life with long lasting effects.\nEUH032: Contact with acids liberates very toxic gas.
Precautionary Statement(s)	P264: Wash skin thoroughly after handling.\nP273: Avoid release to the environment.\nP280: Wear eye protection/ face protection.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.\nP337 + P313: If eye irritation persists: Get medical advice/ attention.\nP391: Collect spillage.
Signal Word	Warning
RTECS	LJ8225000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 2 obviously hazardous to water
Disposal	14\nInorganic 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).

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

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Transport Information
Declaration (railroad and road) ADR, RID	UN 3077 , 9, III
Declaration (transport by air) IATA-DGR	UN 3077 , 9, III
Declaration (transport by sea) IMDG-Code	UN 3077 , 9, III, Marine Pollutant: P

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Specifications
Assay (iodometric)	≥ 99.0 %
Chloride (Cl)	≤ 0.15 %
Hexacyanoferrate (II) (Fe(CN)6)⁴⁻)	≤ 0.1 %
Sulfate (SO₄)	≤ 0.01 %