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IARC Cancer Review: Group 2B; 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) . Reported in EPA TSCA Inventory. Cobalt and its compounds are on the Community Right-To-Know List.
The Cobalt nitrate, with the CAS registry number 10141-05-6 and EINECS registry number 231-158-0, has the systematic name of cobalt(2+) dinitrate. It is a kind of is the inorganic cobalt(II) salt of nitric acid with the apperance of odorless red solid, and it is more commonly found as a hexahydrate. And the molecular formula of this chemical is CoH2N2O6.
The physical properties of Cobalt nitrate are as following: (1)ACD/LogP: -0.13; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.13; (4)ACD/LogD (pH 7.4): -0.13; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)#H bond acceptors: 4; (8)#H bond donors: 1; (9)#Freely Rotating Bonds: 0; (10)Polar Surface Area: 66.05 Å2; (11)Enthalpy of Vaporization: 37.72 kJ/mol; (12)Boiling Point: 83 °C at 760 mmHg; (13)Vapour Pressure: 49.8 mmHg at 25°C.
Preparation of Cobalt nitrate: It is commonly found as hexahydrate, Co(NO3)2.6H2O. And the hexahydrate derived from reacting metallic cobalt or one of its oxides, hydroxides, or carbonate with nitric acid. And when the temperature is higher than 55 °C, it will dehydrate to the trihydrate and at a higher temperature to the anhydrous.
CoCO3 + 2 HNO3 + 5 H2O → Co(NO3)2(H2O)6 + CO2
Uses of Cobalt nitrate: Because of its high solubility, it becames a common source of cobalt in metal-organic frameworks and coordination chemistry. It is also reduced to metallic cobalt or precipitated on various substrates for Fischer-Tropsch catalysis. What's more, it is also used in dyes and inks.
You should be cautious while dealing with this chemical. It is a kind of irritant chemical which may cause cancer. It is very toxic to aquatic organisms, and may cause long-term adverse effects in the aquatic environment. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; Avoid exposure - obtain special instruction before use; Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer); Avoid release to the environment. Refer to special instructions safety data sheet; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).
You can still convert the following datas into molecular structure:
(1)SMILES: [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O
(2)InChI: InChI=1/Co.2NO3/c;2*2-1(3)4/q+2;2*-1
(3)InChIKey: UFMZWBIQTDUYBN-UHFFFAOYAS
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
frog | LDLo | subcutaneous | 150mg/kg (150mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935. | |
pigeon | LDLo | intramuscular | 50mg/kg (50mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935. | |
rabbit | LDLo | oral | 250mg/kg (250mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. | |
rabbit | LDLo | subcutaneous | 75mg/kg (75mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. | |
rat | LD50 | oral | 434mg/kg (434mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | Food and Chemical Toxicology. Vol. 20, Pg. 311, 1982. |