Cobalt oxides Uses Preparation Toxicity
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Cobalt oxide

Cobalt oxides Uses Preparation Toxicity
Product Name
Cobalt oxide
CAS No.
1307-96-6
Chemical Name
Cobalt oxide
Synonyms
CoO;COBALT(II) OXIDE;COBALTOUS OXIDE;Cobalt oxide (CoO);1,2-Benzenedimethanethiol, 4,5-dimethyl-;Zaffre;ci77322;Black 13;c.i.77322;Oxocobalt
CBNumber
CB9216703
Molecular Formula
CoO
Formula Weight
74.93
MOL File
1307-96-6.mol
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Cobalt oxide Property

Melting point:
1785 °C
Density 
6.45
form 
Powder
Specific Gravity
6.45
color 
Green-brown
Water Solubility 
insoluble
Sensitive 
Air Sensitive
Merck 
14,2446
Stability:
Stability Stable, but may be moisture sensitive.
CAS DataBase Reference
1307-96-6(CAS DataBase Reference)
NIST Chemistry Reference
Cobalt monoxide(1307-96-6)
EPA Substance Registry System
Cobalt(II) oxide (1307-96-6)
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Safety

Hazard Codes 
Xn,N,T+
Risk Statements 
22-43-50/53-42/43-26
Safety Statements 
24-37-60-61-45-36/37-28
RIDADR 
UN 3288 6.1/PG 3
WGK Germany 
3
RTECS 
GG2800000
TSCA 
Yes
HazardClass 
6.1(b)
PackingGroup 
III
HS Code 
28220000
Hazardous Substances Data
1307-96-6(Hazardous Substances Data)
Toxicity
LD50 orally in rats: 1.70 g/kg (Smyth)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H302Harmful if swallowed

H317May cause an allergic skin reaction

H330Fatal if inhaled

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H351Suspected of causing cancer

H400Very toxic to aquatic life

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P201Obtain special instructions before use.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P284Wear respiratory protection.

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P342+P311IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.

P405Store locked up.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
343153
Product name
Cobalt(II) oxide
Purity
325 mesh
Packaging
10g
Price
$81.2
Updated
2021/12/16
Sigma-Aldrich
Product number
343153
Product name
Cobalt(II) oxide
Purity
325 mesh
Packaging
100g
Price
$610
Updated
2021/12/16
Sigma-Aldrich
Product number
529443
Product name
Cobalt(II) oxide
Purity
99.99% trace metals basis
Packaging
25g
Price
$751
Updated
2020/08/18
Sigma-Aldrich
Product number
529443
Product name
Cobalt(II) oxide
Purity
99.99% trace metals basis
Packaging
5g
Price
$207
Updated
2020/08/18
Alfa Aesar
Product number
023141
Product name
Cobalt(II) oxide, 95%
Packaging
100g
Price
$287
Updated
2021/12/16
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Cobalt oxide Chemical Properties,Usage,Production

Cobalt oxides

Cobalt oxides have three oxidation states, namely: (i) cobaltous oxide (cobalt monoxide or cobalt [II] oxide) with CoO chemical formula, (ii) cobaltic oxide (cobalt [III] oxide) with Co2O3 chemical formula and (iii) cobaltosic oxide (cobalt [II, III] oxide) with Co3O4 chemical formula, which is an antiferromagnetic material. The first and the last oxidation states have a cubic crystal structure.
Cobalt oxide is used in pigments for ceramics, in glass coloring and decolorization, as oxidation catalyst for drying oils, and fast-drying paints and varnishes, in preparation of cobalt-metal catalysts, and cobalt powder for binder in sintered tungsten carbide; in semiconductors.

Uses

Cobalt(II) oxide is used as a pigment for ceramics and paints; for drying paints, varnishes and oils; for coloring glass; as a catalyst; and for preparation of other cobalt salts. The commercial product is a mixture of cobalt oxides.

Preparation

Cobalt(II) oxide is prepared by heating cobalt(II) carbonate, CoCO3, cobalt(III) oxide, Co2O3 or tricobalt tetroxide, Co3O4, at high temperatures in a neutral or slightly reducing atmosphere:
CoCO3 → CoO + CO2

Toxicity

Cobalt(II) oxide is moderately toxic by ingestion and subcutaneous and intratracheal routes.
LD50 oral (rat): 202 mg/kg

Description

This is obtained as an olive-green powder by heating the metal in air or steam or by thermal decomposition of the hydroxide, carbonate or nitrate. It has the sodium chloride lattice and is antiferromagnetic below 292°K. When heated in oxygen above 400° the black oxide Co3O4 is obtained. This oxide is isomorphous with magnetite Fe3O4, and has tetrahedrally surrounded cobalt(II) ions and octahedrally surrounded cobalt(III) ions. Both these oxides are readily reduced to the metal by heating in hydrogen or with carbon. The reactions of CoO with silica, alumina and zinc oxide are used to form pigments in the ceramic industry.

Chemical Properties

Cobalt oxide is a high-valent oxide of cobalt, with a theoretical cobalt content of 71.06% and an oxygen content of 28.94%, which is a black amorphous powder. Cobalt oxide is a kind of unstable and impossible free state compound, usually refers to the cobalt oxide are attached with a certain amount of cobalt tetraoxide when heated cobalt oxide is reduced to cobalt tetraoxide. The theoretical cobalt content of cobalt tetraoxide is 73.43% and the oxygen content is 26.57%, with the appearance of gray-black or black powder.

The cobalt oxide used in batteries is cobalt tetraoxide, which has a spinel structure. It can be used as anode material for lithium-ion batteries and is also the main raw material for the preparation of lithium cobaltate, the cathode material for lithium-ion batteries.

Physical properties

The commercial product is usually dark grey powder, but the color may vary from olive geeen to brown depending on particle size; density 6.44 g/cm3, which also may vary between 5.7 to 6.7 g/cm3, depending on the method of preparation; melts around 1,830°C; insoluble in water; soluble in acids and alkalis.

Uses

In pigments for ceramics; glass coloring and decolorization; oxidation catalyst for drying oils, fast-drying paints and varnishes; preparation of cobalt-metal catalysts, Co powder for binder in sintered tungsten carbide; in semiconductors.

Uses

Cobalt oxide, typically 3.4-4.5%, Molybdenum oxide typically 11.5-14.5% on alumina is used in the preparation of biofuel production by using algae.

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Cobalt oxide Suppliers

Chengdu Dianchun Technology Co., Ltd
Tel
400-1196196 18981987031
Fax
QQ:800101999
Email
cdhxsj@163.com
Country
China
ProdList
14643
Advantage
60
Chengdu Ai Keda Chemical Technology Co., Ltd.
Tel
028-86757656 18080918076
Fax
028-86757656
Email
800078821@qq.com
Country
China
ProdList
9750
Advantage
55
Wuhan Xinyang Ruihe Chemical Technology Co., Ltd.
Tel
027-83850106 13720181483
Email
366443693@QQ.COM
Country
China
ProdList
3331
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
18621169121
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40310
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30159
Advantage
84
BeiJing Hwrk Chemicals Limted
Tel
0757-86329057 18516978288
Fax
010-89508210
Email
sales.gd@hwrkchemical.com
Country
China
ProdList
17295
Advantage
55
Energy Chemical
Tel
021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
43437
Advantage
61
Adamas Reagent, Ltd.
Tel
400-6009262
Email
bxy@titansci.com
Country
China
ProdList
13915
Advantage
59
Nanjing Chemlin Chemical Co., Ltd
Tel
025-83697070
Fax
+86-25-83453306
Email
info@chemlin.com.cn
Country
China
ProdList
20021
Advantage
64
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View Lastest Price from Cobalt oxide manufacturers

Wuhan Mulei New Material Technology Co. Ltd
Product
Cobalt oxide 1307-96-6
Price
US $20.00/Kg/Drum
Min. Order
1KG
Purity
99%
Supply Ability
5000tons per month
Release date
2021-03-29
Zhuozhou Wenxi import and Export Co., Ltd
Product
Cobalt oxide 1307-96-6
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10
Zhuozhou Wenxi import and Export Co., Ltd
Product
Cobalt oxide 1307-96-6
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-08

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