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Potassium hexacyanoferrate(II) trihydrate

Stock Number: HC102

Product Name: Potassium hexacyanoferrate(II) trihydrate

Synonyms: Potassium hexacyanoferrate(II) trihydrate

CAS:  14459-95-1
EINECS: 237-722-1

HS No. 28372000

Physics and Chemistry Nature:

Molecular Formula: K4Fe(CN)6•3H2O
Molecular Weight: 422.39 (368.36anhy)
Melting Point: 69-71°C
Density: 1.85
Solubility in Water :289 g/l  (20 ℃)

Risk & Safety:

Xn; Note
Safety Phrases:  S22;S24/25;S36;S61;S47  Note
Risk Phrases:   R32;R20/21/22;R52/53  Note

Specifications:

Item

Industrial Grade

Food Grade

Pharmaceutical Grade

Reagent Grade 

Best Grade

First Grade

GR

AR

CP

K4Fe(CN)6  % ≥

99.0

98.5

99.0

99.0

99.5

99.5

99.0

Cl-  % ≤

0.3

0.4

0.3

0.2

0.005

0.005

0.02

As % ≤

N/A

N/A

0.0001

0.0005

N/A

N/A

N/A

Heavy Metal(Pb)% ≤

N/A

N/A

N/A

0.002

N/A

N/A

N/A

Cyanide（CN )% ≤

N/A

N/A

Conforms to the standard

Conforms to the standard

N/A

N/A

N/A

Sulfide（S）% ≤

N/A

N/A

N/A

0.01

N/A

N/A

N/A

Sulfate(SO4) % ≤

N/A

N/A

N/A

0.1

0.005

0.005

0.01

Water Insoluble % ≤

0.01

0.02

0.007

0.007

0.005

0.005

0.01

Na+  % ≤

0.2

N/A

0.2

0.2

0.005

0.02

0.2

Note: Can produce special specifications of products according customers request.

Use:   Used in pigment, dyeing, additives and the salt of anticaking agent.

Packaging: 25kg/bag. The inner packing is plastic and outer packing is woven bag. Or packing according to custmers requirement.