CAS No.1307-96-6,Cobalt(II) oxide Suppliers

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Basic Information

Molecular Structure:
CAS No.:	1307-96-6
Name:	Cobalt(II) oxide
Article Data:	524

Formula:	CoO
Molecular Weight:	74.9926
Synonyms:	C.I. 77322;C.I. Pigment Black 13;Cobalt Black;Cobalt monooxide;Cobalt monoxide;Cobalt(2+) oxide;Cobalt(II) oxide;Cobaltous oxide;Cobaltous oxide(CoO);FCO 178;Zaffre;
EINECS:	215-154-6
Density:	6.45 g/cm³
Melting Point:	1785 °C
Boiling Point:	3800oC
Solubility:	insoluble in water
Appearance:	Black powder
Hazard Symbols:	Xn,N
Risk Codes:	22-43-50/53
Safety:	24-37-60-61
Transport Information:	UN 3288 6.1/PG 3
PSA:	17.07000
LogP:	-0.11880

Synthetic route

: 7646-79-9
cobalt(II) chloride

: lithium oxide

: 1307-96-6
cobalt(II) oxide

Conditions

Conditions	Yield
In solid byproducts: LiCl; under N2; Li2O and metal halide ground together, added to glass ampoule, sealed under vacuum, sonicated (ultrasound) for 10 min, wrapped in glss wool, placed in oven at 450°C for 10 h; removed from oven, allowed to cool to room temp., trituration with THF for 10 h, ppt. and cloudy THF layer formed, evapn.of THF filtrate produced Li salt; or metal oxides washed with H2O for 10 min to remove Li salt;	85%

Yield

In solid byproducts: LiCl; under N2; Li2O and metal halide ground together, added to glass ampoule, sealed under vacuum, sonicated (ultrasound) for 10 min, wrapped in glss wool, placed in oven at 450°C for 10 h; removed from oven, allowed to cool to room temp., trituration with THF for 10 h, ppt. and cloudy THF layer formed, evapn.of THF filtrate produced Li salt; or metal oxides washed with H2O for 10 min to remove Li salt;

85%

: 71-48-7, 917-69-1, 5931-89-5, 55881-15-7, 68931-68-0, 68931-69-1, 93029-27-7
cobalt(II) acetate

: 1307-96-6
cobalt(II) oxide

Conditions

Conditions	Yield
In benzyl alcohol other Radiation; dispersed, microwave heating for 30-1200 s; XRD;	60.8%
In solid byproducts: H2O, CO2, CO; Co(CH3CO2)2 was thermodestructed at 260°C;
In neat (no solvent) N2 atmosphere; heating (300 - 400°C); detd. by powder X-ray diffraction;

: 1277-43-6
cobaltocene

: CoBr2*DME

: 4358-26-3
tetraphenylborate anion

: 5259-72-3, 10060-40-9, 111-78-4
1,5-dicyclooctadiene

A: 1307-96-6
cobalt(II) oxide

B: 12184-35-9
(η5-cyclopentadienyl)-η4-cycloocta-1,5-dienecobalt(I)

C: [(cyclopentadienyl)2Co][tetraphenylborate]

D: cobalt(II)

E: 7440-48-4
cobalt

Conditions

Conditions	Yield
With C5H5Na In tetrahydrofuran; water; pentane under N2, CoBr2*DME, NaCp, CoCp2 and COD mixed in THF in molar ratio of2/2.06/0.5/1.16 (CoCp2 added at -80°C prior to NaCp), warmed to room temp. during 3 h, evapd., pentane ext. passed through Al2O3/4% H2O and CuCl powder; concd., cooled to -80°C, CpCoCOD filtered off; CuCl washed with water, CoCp2(1+) pptd. with BPh4(1-) from aq. soln., filtered off; pentane-insol. residue treated with water, Co and CoO mixt. filtered, Co(2+) determined complexometrically;	A n/a B 45.3% C n/a D n/a E n/a
With C5H5Na In tetrahydrofuran; water; pentane under N2, CoBr2*DME, NaCp, CoCp2 and COD mixed in THF in molar ratio of2/2.06/0.5/1.16 (CoCp2 added at -80°C after NaCp), warmed to room temp. during 3 h, evapd., pentane ext. passed through Al2O3/4% H2O andCuCl powder; concd., cooled to -80°C, CpCoCOD filtered off; CuCl washed with water, CoCp2(1+) pptd. with BPh4(1-) from aq. soln., filtered off; pentane-insol. residue treated with water, Co and CoO mixt. filtered, Co(2+) determined complexometrically;	A n/a B 43% C n/a D n/a E n/a
With C5H5Na In tetrahydrofuran; water; pentane under N2, CoBr2*DME, NaCp, CoCp2 and COD mixed in THF in molar ratio of2/2.06/0.5/1.16 (CoCp2 added at 0°C prior to NaCp at -80°C), warmed to room temp. during 3 h, evapd., pentane ext. passed throughAl2O3/4% H2O and CuCl powder; concd., cooled to -80°C, CpCoCOD filtered off; CuCl washed with water, CoCp2(1+) pptd. with BPh4(1-) from aq. soln., filtered off; pentane-insol. residue treated with water, Co and CoO mixt. filtered, Co(2+) determined complexometrically;	A n/a B 37.5% C n/a D n/a E n/a
With C5H5Na In tetrahydrofuran; water; pentane under N2, CoBr2*DME, NaCp, CoCp2 and COD mixed in THF in molar ratio of2/3/0.5/1.16, warmed to room temp. during 3 h, evapd., pentane ext. passed through Al2O3/4% H2O and CuCl powder; concd., cooled to -80°C, CpCoCOD filtered off; CuCl washed with water, CoCp2(1+) pptd. with BPh4(1-) from aq. soln., filtered off; pentane-insol. residue treated with water, Co and CoO mixt. filtered, Co(2+) determined complexometrically;	A n/a B 11.5% C n/a D n/a E n/a
With C5H5Na In hexane; water; pentane under N2, CoBr2*DME, NaCp, CoCp2 and COD mixed in molar ratio of 2/3/0.5/1.16 in hexane at -80°C, warmed to room temp. during 3 h, evapd., pentane ext. passed through Al2O3/4% H2O and CuCl powder; concd., cooled to -80°C, CpCoCOD filtered off; CuCl washed with water, CoCp2(1+) pptd. with BPh4(1-) from aq. soln., filtered off; pentane-insol. residue treated with water, Co and CoO mixt. filtered, Co(2+) determined complexometrically;	A n/a B 8.6% C n/a D n/a E n/a

...Expand

: 1277-43-6
cobaltocene

: CoBr2*DME

: 4358-26-3
tetraphenylborate anion

: 16733-97-4
cyclopentadienyllithium

: 5259-72-3, 10060-40-9, 111-78-4
1,5-dicyclooctadiene

A: 1307-96-6
cobalt(II) oxide

B: 12184-35-9
(η5-cyclopentadienyl)-η4-cycloocta-1,5-dienecobalt(I)

C: [(cyclopentadienyl)2Co][tetraphenylborate]

D: cobalt(II)

E: 7440-48-4
cobalt

Conditions

Conditions	Yield
In tetrahydrofuran; water; pentane under N2, CoBr2*DME, LiCp, CoCp2 and COD mixed in THF in molar ratio of2/2.06/0.5/1.16, warmed to room temp. during 3 h, evapd., pentane ext. passed through Al2O3/4% H2O and CuCl powder; concd., cooled to -80°C, CpCoCOD filtered off; CuCl washed with water, CoCp2(1+) pptd. with BPh4(1-) from aq. soln., filtered off; pentane-insol. residue treated with water, Co and CoO mixt. filtered, Co(2+) determined complexometrically;	A n/a B 18% C n/a D n/a E n/a

Yield

In tetrahydrofuran; water; pentane under N2, CoBr2*DME, LiCp, CoCp2 and COD mixed in THF in molar ratio of2/2.06/0.5/1.16, warmed to room temp. during 3 h, evapd., pentane ext. passed through Al2O3/4% H2O and CuCl powder; concd., cooled to -80°C, CpCoCOD filtered off; CuCl washed with water, CoCp2(1+) pptd. with BPh4(1-) from aq. soln., filtered off; pentane-insol. residue treated with water, Co and CoO mixt. filtered, Co(2+) determined complexometrically;

A n/a
B 18%
C n/a
D n/a
E n/a

...Expand

: 80937-33-3
oxygen

: 7440-48-4
cobalt

: 1307-96-6
cobalt(II) oxide

Conditions

Conditions	Yield
In neat (no solvent) 1700°C;;	14.6%
In neat (no solvent) 1700°C;;	14.6%
In neat (no solvent) byproducts: Co3O4; less than 500°C, 1Torr O2;;

: C24H36Cl2CoN4O2

: 1307-96-6
cobalt(II) oxide

Conditions

Conditions	Yield
at 20 - 800℃;	13.5%

: cobalt(II) sulfate

: 10028-15-6
ozone

: 1307-96-6
cobalt(II) oxide

Conditions

Conditions	Yield
In neat (no solvent) byproducts: H2SO4; decompn.;;
In neat (no solvent) byproducts: H2SO4; decompn.;;

: cobalt(III) oxide

: 1307-96-6
cobalt(II) oxide

Conditions

Conditions	Yield
With methane In neat (no solvent) reduction at 450°C;;
In solid calcination (1050°C, N2 (low p(O2)) atmosphere);
In neat (no solvent) heating to 1200°C in vacuum;;

: cobalt(III) oxide

A: 1307-96-6
cobalt(II) oxide

B: cobalt(II,III) oxide

Conditions

Conditions	Yield
In solid byproducts: O2; heating Co2O3 to 1000°C under air;

: cobalt(III) oxide

: 1333-74-0
hydrogen

: 1307-96-6
cobalt(II) oxide

Conditions

Conditions	Yield
In neat (no solvent) byproducts: H2O; furnace heating (rate 4.5°C/min); gas chromy., X-ray diffraction;

Downstream Products

75-07-0

124-38-9

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Chemistry

Chemistry informtion about Cobalt(II) Oxide (CAS NO.1307-96-6) is:
IUPAC Name: Oxocobalt
Synonyms: C.I. 77322 ; C.I. Pigment Black 13 ; C.I.77322 ; C.I.pigmentblack13 ; CI77322 ; CIpigmentblack13 ; Cobalt monooxide ; Cobalt Oxide (CoO)
Product Categories: Inorganic & Organic Chemicals ; Inorganics
MF: CoO
MW: 74.93
EINECS: 215-154-6
Density: 6.45 g/cm³
Melting Point: 1785 °C
Water Solubility: insoluble
Sensitive: Air Sensitive
Merck: 14,2446
Stability: Stability Stable, but may be moisture sensitive.
Following is the molecular structure of Cobalt(II) Oxide (CAS NO.1307-96-6) is:

Uses

Cobalt(II) Oxide (CAS NO.1307-96-6) is used in pigments for ceramics, glass coloring & decolorization, prepn of cobalt metal catalysts, oxidation catalyst for drying oils, fast drying paints & varnishes, cobalt powder for binder in sintered tungsten carbide, in semiconductors.It alsohas for centuries used as a coloring agent on kiln fired pottery, the earliest examples go back to 12th century German pottery.[6] The additive provides a deep shade of blue named Cobalt blue. The band gap (CoO) is around 2.4 eV.

Production

Raw Materials are Sodium Hydroxide-->Sulfuric Acid -->Nitric Acid-->Sodium Carbonate-->Ammonium Hydroxide-->Sodium Hypochlorite-->Oxalic Acid-->Cobalt Chloride-->Extractant-->Chloric Acid-->Cobalt .
Preparation Products are Ammonia Synthesis Catalyst-->Porcelain Glaze,Industrial-->Ceramic Pigment.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
dog	LDLo	oral	89mg/kg (89mg/kg)		Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.
mouse	LD50	subcutaneous	125mg/kg (125mg/kg)		Zhurnal Vsesoyuznogo Khimicheskogo Obshchestva im. D.I. Mendeleeva. Journal of the D.I. Mendeleeva All-Union Chemical Society. Vol. 19, Pg. 186, 1974.
mouse	LDLo	intramuscular	400mg/kg (400mg/kg)		Cancer Research. Vol. 22, Pg. 152, 1962.
rat	LD50	oral	202mg/kg (202mg/kg)	behavioral: somnolence (general depressed activity) gastrointestinal: "hypermotility, diarrhea"	Food and Chemical Toxicology. Vol. 20, Pg. 311, 1982.
rat	LDLo	intratracheal	50mg/kg (50mg/kg)		National Technical Information Service. Vol. AEC-TR-6710,

Consensus Reports

IARC Cancer Review: Group 2B IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 52 , 1991,p. 363.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 52 , 1991,p. 363.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 52 , 1991,p. 363.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Cobalt and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

Safety Profile

Suspected carcinogen with experimental carcinogenic and tumorigenic data. Poison by ingestion, subcutaneous, and intratracheal routes. Moderately toxic by intramuscular route. Violent reaction with hydrogen peroxide. See also COBALT. Note: The commercial oxides are usually not definite chemical compounds but mixtures of the cobalt oxides.
Hazard Codes:
Harmful Xn
Dangerous N
Risk Statements:
R22:Harmful if swallowed.
R43:May cause sensitization by skin contact.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements:
S24:Avoid contact with skin.
S37:Wear suitable gloves.
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 3288 6.1/PG 3
WGK Germany: 3
RTECS: GG2800000
HazardClass: 6.1(b)
PackingGroup: III

Analytical Methods

For occupational chemical analysis use NIOSH: Cobalt, 7027; Elements, 7300.

Specification

Cobalt(II) Oxide (CAS NO.1307-96-6) is a olive green, red, gray or black, odorless powder.
First Aid Measures:
Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do not induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
Inhalation: Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention. May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Skin: May cause skin irritation.Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.May cause eye irritation. Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.
Handling and Storage:
Storage: Kepp container tightly closed. Suitable for any general chemical storage area. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

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