COBALT(III) OXIDE BLACK

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COBALT(III) OXIDE BLACK

Uses Preparation Reactions

Product Name: COBALT(III) OXIDE BLACK
CAS No.: 1308-04-9
Chemical Name: COBALT(III) OXIDE BLACK
Synonyms: COBALT BLACK;Cabalt trioxide;COBALT(II,III) OXIDE;c.i.77323;dicobaltoxide;cobaltperoxide;cobalttrioxide;Cobolt-3-oxide;Cobalt(Ⅲ)oxide;COBALTIC OXIDE
CBNumber: CB4291419
Molecular Formula: Co2O3
Formula Weight: 165.86
MOL File: 1308-04-9.mol

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COBALT(III) OXIDE BLACK Property

Melting point:: 895 °C (dec.)(lit.)
Density: 6.11 g/mL at 25 °C(lit.)
storage temp.: Inert atmosphere,Room Temperature
solubility: insoluble in H2O; soluble in concentrated acid solutions
form: powder
color: gray-black
Water Solubility: insoluble H2O; soluble conc acids [HAW93]
EPA Substance Registry System: Cobalt oxide (Co2O3) (1308-04-9)

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Safety

Hazard Codes: Xn
Risk Statements: 36/37/38-40-43-22
Safety Statements: 26-36/37/39-36/37
WGK Germany: 1
RTECS: GG2500000
Toxicity: mouse,LD50,subcutaneous,2064mg/kg (2064mg/kg),Zhurnal Vsesoyuznogo Khimicheskogo Obshchestva im. D.I. Mendeleeva. Journal of the D.I. Mendeleeva All-Union Chemical Society. Vol. 19, Pg. 186, 1974.

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

H351Suspected of causing cancer

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

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

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

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

P281Use personal protective equipment as required.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P308+P313IF exposed or concerned: Get medical advice/attention.

P321Specific treatment (see … on this label).

P330Rinse mouth.

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

P363Wash contaminated clothing before reuse.

P391Collect spillage. Hazardous to the aquatic environment

P405Store locked up.

P501Dispose of contents/container to..…

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COBALT(III) OXIDE BLACK Chemical Properties,Usage,Production

Uses

COBALT(III) OXIDE BLACK is used as a pigment; for glazing porcelain and pottery; and for coloring enamels.

Preparation

COBALT(III) OXIDE BLACK is prepared by heating cobalt compounds at low temperatures in air.

Reactions

Heating with hydrogen, carbon or carbon monoxide reduces the oxide to cobalt metal.
Co2O3 + 3H2→ 2Co + 3H2O
Co2O3 + 3CO→ 2Co + 3CO
2Co2O3 + 3C→ 4Co + 3CO2
Strong heating in air converts cobalt(III) oxide to tricobalt tetroxide.
Reactions with mineral acids produce their Co3+ salts:
Co2O3 + 6HCl → 2CoCl3 + 3H2O

Description

Neither the oxide Co2O3 nor the hydroxide Co(OH)3 is definitely established. The oxidation of cobalt(II) hydroxide in aqueous suspension with, for example, peroxides, or the destruction of a cobalt(III) complex with alkali gives a brown or black powder Co2O3.aq which upon drying at 150° yields the monohydrate Co2O3.H2O; this is probably best formulated as CoO(OH). When heated further in attempts to dehydrate it, the "monohydrate" begins to evolve oxygen (as well as water) at 300° with the formation of black Co3O4. When heated to 100° in air cobalt(II) hydroxide is converted to dark brown CoO(OH).

Chemical Properties

Steel-gray or black powder.Soluble in concentrated acids; insoluble in water.

Physical properties

Grayish black powder; density 5.18 g/cm³; decomposes at 895°C; insoluble in water; soluble in concentrated mineral acids.

Uses

Cobaltic oxide (Co2O3) is also known as cobalt oxide or cobalt black. It is dark gray to black and is used in pigments, ceramic glazes, and semiconductors.

Uses

Pigment, coloring enamels, glazing pottery.

Definition

Sometimes incorrectly called cobalt peroxide.

Preparation

Cobalt(III) oxide is prepared by heating cobalt compounds at low temperatures in air.

Safety Profile

: Moderately toxic by intraperitoneal and subcutaneous routes. Questionable carcinogen. Violent reaction with hydrogen peroxide. The oxide increases the sensitivity of nitroalkanes (e.g., nitromethane, nitroethane, and 1 nitropropane) to heat or detonation. See also COBALT COMPOUNDS.

COBALT(III) OXIDE BLACK Preparation Products And Raw materials

Raw materials

Nitric acid Ammonium bicarbonate Cobalt

Preparation Products

Aluminium potassium sulfate dodecahydrate Lead chromate Tartrazine Potassium dichromate 103 chrome yellow Fosetyl aluminum Fast Malachite Blue lake CI NO 77605 Aluminum ammonium sulfate Repair the lear Aluminum hydroxide Aluminum Stearate

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View Lastest Price from COBALT(III) OXIDE BLACK manufacturers

Yujiang Chemical (Shandong) Co.,Ltd.

Product: Cabalt trioxide 1307-96-6
Price: US $0.00-40.00/kg
Min. Order: 1000kg
Purity: 98%
Supply Ability: 10T
Release date: 2024-11-04

Hebei Weibang Biotechnology Co., Ltd

Product: COBALT(III) OXIDE BLACK 1308-04-9
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-31

Hebei Yanxi Chemical Co., Ltd.

Product: Cobalt(III) Oxide 1308-04-9
Price: US $175000.00/T
Min. Order: 1T
Purity: 99%
Supply Ability: 20tons
Release date: 2020-07-08

1308-04-9, COBALT(III) OXIDE BLACKRelated Search:

COBALT(III) OXIDE BLACK Diantimony trioxide Potassium chromate FERROUS SULFATE Chromium(III) oxide Samarium oxide Ferric oxide MANGANESE (III) OXIDE Boron oxide Zirconium dioxide Nickel oxide Barium oxide Molybdenum(IV) oxide Nickel(II) oxide Gallium(III) oxide Holmium Oxide Cerium dioxide Sulfur trioxide

dicobalttrioxide

Cabalt trioxide

COBALT(III) OXIDE R. G., FOR THE DETERMI NATION OF SULFUR

COBALT(III) OXIDE BLACK, PURE

Cobalt(Ⅱ，Ⅲ）oxide

Cobaltic oxide monohydrate

BLACKCOBALTICOXIDE

cobalt(iii)oxide

cobaltoxide(co2o3)

cobaltperoxide

cobaltsesqioxide

cobalttrioxide

dicobaltoxide

COBALT(III) OXIDE BL

Cobolt-3-oxide

cobalitic oxide

BLACK COBALT OXIDE

COBALT SESQUIOXIDE

COBALT OXIDE, GRAY

COBALT TETRAOXIDE

COBALT(II,III) OXIDE

COBALT BLACK

Cobalt(Ⅲ)oxide

COBALT(+2,+3)OXIDE

COBALT(2,3) OXIDE

COBALTIC TETRAOXIDE

COBALTIC OXIDE

COBALT(II)-COBALT(III)-OXIDE

COBALT(III) OXIDE BLACK

c.i.77323

cobalt(3+)oxide

Co2O3 COBALT(III) OXIDE

TIANFU-CHEM 1308-04-9 COBALT(III) OXIDE BLACK

Titanium Dioxide (TiO2) Sputtering Targets

1308-04-9

Co2O3

Inorganics