Potassium hexacyanoferrate(II) trihydrate, EssentQ®
- K4[Fe(CN)6]·3H2O
- M = 422,39 g/mol
- CAS [14459-95-1]
- EINECS-No.: 237-722-2
- Solub. in water: (20 ºC): 289 g/l
- Melting point: ~ 70 ºC (release of crystalline water)
- LD 50 (oral, rat): 3613 mg/kg (anhydrous substance)
- GHS-H sentences: H412
- GHS-P sentences: P273 - P501a
- Tariff number: 2837 20 00 90
- Applications: analytical chemistry, laboratory reagent, in food industry.
SPECIFICATIONS
assay (permanganometric): min. 99 %
insoluble in water: max. 0,025 %
chlorides (Cl): max. 0,05 %
sulfates (SO4): max. 0,01 %
ferricyanide: passes test
arsenic (As): max. 3 ppm
copper (Cu): max. 0,0025 %
lead (Pb): max. 0,001 %
zinc (Zn): max. 0,0025 %
water : max. 1 %
- Synonyms: Potassium ferrocyanide, Yellow prussiate of potash, Ferrocyanpotassium
- K4[Fe(CN)6]·3H2O
- M = 422,39 g/mol
- CAS [14459-95-1]
- EINECS-No.: 237-722-2
- Solub. in water: (20 ºC): 289 g/l
- Melting point: ~ 70 ºC (release of crystalline water)
- LD 50 (oral, rat): 3613 mg/kg (anhydrous substance)
- GHS-H sentences: H412
- GHS-P sentences: P273 - P501a
- Tariff number: 2837 20 00 90
- Applications: analytical chemistry, laboratory reagent, in food industry.
SPECIFICATIONS
assay (permanganometric): min. 99 %
insoluble in water: max. 0,025 %
chlorides (Cl): max. 0,05 %
sulfates (SO4): max. 0,01 %
ferricyanide: passes test
arsenic (As): max. 3 ppm
copper (Cu): max. 0,0025 %
lead (Pb): max. 0,001 %
zinc (Zn): max. 0,0025 %
water : max. 1 %
x 1 kg
x 5 kg
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