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Ferrous oxalate dihydrate

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Ferrous oxalate dihydrate Basic information

Product Name:
Ferrous oxalate dihydrate
CAS:
6047-25-2
MF:
C2H4FeO6
MW:
179.89
EINECS:
611-981-5
Mol File:
6047-25-2.mol
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Ferrous oxalate dihydrate Chemical Properties

Melting point:
190°C (dec.)
Density 
2.28 g/mL at 25 °C(lit.)
form 
Powder
color 
yellow
Specific Gravity
2.28
Water Solubility 
Soluble in water. Insoluble in acetic acid.
Sensitive 
Hygroscopic
Solubility Product Constant (Ksp)
pKsp: 6.5
BRN 
3757620
Stability:
Stable. Hygroscopic. Incompatible with strong oxidizing agents.
CAS DataBase Reference
6047-25-2(CAS DataBase Reference)
EPA Substance Registry System
Iron, diaqua[ethanedioato(2-)-.kappa.O1,.kappa.O2]-, (T-4)- (6047-25-2)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
21/22
Safety Statements 
24/25
RIDADR 
3288
WGK Germany 
1
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III

MSDS

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Ferrous oxalate dihydrate Usage And Synthesis

Description

Iron(II) oxalate, FeC204.2H20, is precipitated as yellow crystals from solutions containing iron(II) and oxalate ions ; in the presence of excess alkali metal oxalate, however, soluble oxalato complexes M2[Fe(C2O4)2] are formed which can be precipitated by the addition of alcohol. The oxalate is paramagnetic with μeff= 5·2 B.M. at room temperature.

Chemical Properties

yellow powder
Ferrous oxalate, or iron(II) oxalate, is a chemical compound consisting of one iron(II) ion (Fe2) and one oxalate ion (C2O4(2−)). It has the chemical formula FeC2O4. Iron(II) oxalate is more commonly encountered as the dihydrate, FeC2O4·2H2O, CAS # 6047-25-2. Its crystal structure consists of chains of oxalate-bridged iron atoms, capped by water molecules. When heated, it dehydrates and decomposes into carbon dioxide, carbon monoxide, iron oxides and pyrophoric black iron.

Uses

It is used as photographic developer for silver bromide-gelatin plates. It imparts greenish-brown tint to optical glass (sunglasses, windshields, railroad car windows), for decorative glassware, pigment for plastics, paints and lacquers. It acts as reagent.

Ferrous oxalate dihydrate Preparation Products And Raw materials

Raw materials

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J & K SCIENTIFIC LTD.
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400-666-7788 010-82848833-
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Alfa Aesar
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400-610-6006
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Energy Chemical
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400-005-6266 021-58432009
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JinYan Chemicals(ShangHai) Co.,Ltd.
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13817811078,021-50426030
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sales@jingyan-chemical.com
Adamas Reagent, Ltd.
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400-600-9262
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bxy@titansci.com
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