پتاسیم هگزا سیانو فرات 3آبه 104984 مرک

Product Information
CAS number	14459-95-1
EC number	237-722-2
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	C₆FeK₄N₆ * 3H₂O
Chemical formula	K₄[Fe(CN)₆]*3H₂O
Molar Mass	422.39 g/mol
HS Code	2837 20 00
Structure formula Image

Applications
Application	Potassium hexacyanoferrate(II) trihydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur. CAS No. 14459-95-1, EC Number 237-722-2.

Physicochemical Information
Melting Point	70 °C Elimination of water of crystallisation
pH value	9.5 (100 g/l, H₂O, 20 °C) (anhydrous substance)
Bulk density	950 - 1050 kg/m3
Solubility	289 g/l

Toxicological Information
LD 50 oral	LD50 Rat 3613 mg/kg

Safety Information according to GHS
Hazard Statement(s)	H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s)	P273: Avoid release to the environment.
Storage class	10 - 13 Other liquids and solids
WGK	WGK 2 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).

Safety Information
Categories of danger	dangerous for the environment
R Phrase	R 52/53 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase	S 61 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 (cerimetric)	99.0 - 102.0 %
Insoluble matter	≤ 0.005 %
Chloride (Cl)	≤ 0.01 %
Sulphate (SO₄)	≤ 0.005 %
Na (Sodium)	≤ 0.01 %
Pb (Lead)	≤ 0.002 %
Corresponds to ACS,ISO,Reag. Ph Eur