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Cobalt sulfate heptahydrate

Product Name:
Cobalt sulfate heptahydrate
CAS No.
10026-24-1
Chemical Name:
Cobalt sulfate heptahydrate
CBNumber:
CB0323842
Molecular Formula:
CoH14O11S
Formula Weight:
281.1
MOL File:
10026-24-1.mol
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Cobalt sulfate heptahydrate Property

Melting point:
98 °C
Boiling point:
735°C
Density 
2.03 g/mL at 25 °C(lit.)
storage temp. 
Store at +5°C to +30°C.
solubility 
H2O: soluble
form 
Solid
Specific Gravity
1.948
color 
Red-brown
PH
4 (100g/l, H2O, 20℃)
Water Solubility 
362 g/L (20 ºC)
Merck 
14,2448
Stability:
Stable. Non-flammable. Hygroscopic. Dehydrates at around 41 C and 71 C.
InChIKey
MEYVLGVRTYSQHI-UHFFFAOYSA-L
CAS DataBase Reference
10026-24-1(CAS DataBase Reference)
EPA Substance Registry System
Cobalt(2+) sulfate heptahydrate (10026-24-1)
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Safety

Hazard Codes 
T,N
Risk Statements 
49-42/43-51/53-50/53-22-68-60
Safety Statements 
53-23-36/37-45-61-60-22
RIDADR 
UN 3082 9/PG 3
WGK Germany 
2
RTECS 
GG3200000
TSCA 
Yes
HazardClass 
9
PackingGroup 
III
HS Code 
28332930
Toxicity
LD50 orally in Rabbit: 582 mg/kg
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N-Bromosuccinimide Price More Price(15)

Sigma-Aldrich Gold
Product number:
C6768
Product name :
Cobalt(II) sulfate heptahydrate
Purity:
ReagentPlus , ≥99%
Packaging:
1kg
Price:
$348
Updated:
2019/12/02
Buy:
Buy
Sigma-Aldrich Gold
Product number:
C6768
Product name :
Cobalt(II) sulfate heptahydrate
Purity:
ReagentPlus , ≥99%
Packaging:
2.5kg
Price:
$429
Updated:
2019/12/02
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Buy
Alfa Aesar Gold
Product number:
010696
Product name :
Cobalt(II) sulfate heptahydrate, Puratronic?, 99.999% (metals basis)
Packaging:
25g
Price:
$180
Updated:
2019/12/02
Buy:
Buy
Alfa Aesar Gold
Product number:
010696
Product name :
Cobalt(II) sulfate heptahydrate, Puratronic?, 99.999% (metals basis)
Packaging:
100g
Price:
$28.7
Updated:
2019/12/02
Buy:
Buy
Strem Chemicals Gold
Product number:
93-2749
Product name :
Cobalt(II) sulfate heptahydrate, 98+%
Packaging:
100g
Price:
$25
Updated:
2019/12/02
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Buy
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Cobalt sulfate heptahydrate Chemical Properties,Usage,Production

Chemical Properties

Cobalt sulphate appears as pink or red crystals. It is stable, non-flammable, and hygroscopic and undergoes dehydration at 41°C and 71°C.

Chemical Properties

Red powder or rose pink crystalline solid. Odorless.

Uses

Usual source of water-soluble cobalt since it is the most economical and it shows less tendency to deliquesc or dehydrate than the chloride or nitrate. Used in storage batteries; in Co-electroplating baths; as drier for lithographic inks, varnishes; in ceramics, enamels, glazes to prevent discoloring; in Co pigments for decorating porcelain.

Definition

ChEBI: A hydrate that is the heptahydrate form of cobalt(2+) sulfate.

General Description

Pink to red monoclinic prismatic crystals or red granular solid. Odorless. Becomes anhydrous at 788°F.

Air & Water Reactions

Water soluble. The resulting solution is acidic.

Reactivity Profile

Does not react strongly as either oxidizing agents or reducing agents but such behavior is not impossible. The aqueous solutions are acidic. May catalyze organic reactions.

Fire Hazard

Literature sources indicate that Cobalt sulfate heptahydrate is nonflammable.

Potential Exposure

Many be used to catalyze organic reactions.

Shipping

UN3288 Toxic solids, inorganic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

Purification Methods

Crystallise it three times from conductivity water (1.3mL/g) between 100o and 0o depending on which hydrate is required. The heptahydrate crystallises below 44o and is efflorescent with m 97o . Between 44o and 70o the monoclinic hexahydrate CoSO4.6H2O m 41.5o is formed, and above 70o the monohydrate CoSO4.H2O m 71o is obtained. The pale reddish or lavender-coloured anhydrous salt is obtained by heating the hydrate above 250o, boiling with conc H2SO4 or heating with (NH4)2SO4).

Incompatibilities

Aqueous solution reacts with bases, generating some heat. May react as either oxidizing agents or reducing agents

Waste Disposal

Use a licensed professional waste disposal service to dispose of this material. All federal, state, and local environmental regulations must be observed.

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Cobalt sulfate heptahydrate Suppliers

Global(203)Suppliers
Shanghai Aladdin Bio-Chem Technology Co.,LTD
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021-20337333-801
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J & K SCIENTIFIC LTD.
Tel:
010-82848833- ;010-82848833-
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86-10-82849933
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jkinfo@jkchemical.com;market6@jkchemical.com
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China
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96815
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Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel:
21-61259100-
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86-21-61259102
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sh@meryer.com
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3B Pharmachem (Wuhan) International Co.,Ltd.
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Alfa Aesar
Tel:
400-610-6006; 021-67582000
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021-67582001/03/05
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BeiJing Hwrk Chemicals Limted
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Energy Chemical
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JinYan Chemicals(ShangHai) Co.,Ltd.
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Adamas Reagent, Ltd.
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