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Cobalt

Cobalt structure

CAS No:
7440-48-4
Formula:
Co
Chemical Name:
Cobalt
Synonyms:
Cobalt;C.I. 77320;Cobalt-59;Cobalt element;Raney cobalt;ACO 4;Co 0138E;R 401;N 354Di;R 401 (metal);COE 03PB;Cobalt (nanoparticles);Ra-Co 2724;B 2112Z;Raney Co 2786;Raney 2786;Actica 3100;Acticat 3400;Acticat 3300;EGEDry 12162XC1;R 2724;Raney cobalt 2724;S 80;Acticat 3100;Acticat TM3100;Acticat 1100;cobalt;132965-60-7;177256-35-8;184637-91-0;195161-79-6;335349-43-4;1245817-40-6;1262528-32-4
Categories:
Inorganic Chemistry > Elementary Substance

Description

Cobalt is a silvery-gray brittle but hard metal, which is distributed widely in nature, including rocks, soil, plants, and animals. It is a metal with no odor and no vapor pressure at room temperature and is insoluble in water, except for ultrafine cobalt powder, which is water soluble. It is stable in air but chemically reactive with dilute acids and is a nonvolatile metal. Required in small amounts, cobalt is important for the sustenance of life. It is the only metal found in vitamins, most i

Cobalt Basic Attributes

Molecular Weight：

58.93

Exact Mass：

58.93320

EC Number：

231-158-0

HScode：

81052000

Characteristics

PSA：

XLogP3：

0.00000

Appearance：

Pink to red to violet wire

Density：

9 x 10^-6 g/cm³

Melting Point：

1495 °C

Boiling Point：

2927 °C

Water Solubility：

H2O: insoluble

Storage Conditions：

Storage temperature: no restrictions.

Vapor Pressure：

0 mmHg (approx)

Toxicity：

Oral-Rat LD50 6171 mg/kg; Abdominal cavity-mouse LDL0: 100 mg/kg

Flammability characteristics：

Exposure to oxygen, the air is flammable; fire site emits toxic cobalt oxide fumes

Odor：

Odorless (cobalt metal dust and cobalt fumes)

Safety Information

Packing level：

III

Hazard category：

4.1

Transport codes：

UN 3264 8/PG 3

wgk germany：

hazard class code：

45-23/24/25-34-53-42/43-40-36/37-36/38-17-11-15

safety instructions：

53-23-26-36/37/39-45-61-37-24-22-36/37-5-43

RTECS Number：

GF8750000

Marks：

T,Xn,F

Storage features：

Treasury is low temperature, ventilated, dry; airtight

Explosive characteristics：

It can explode when mixed with oxygen and air

Stability/Shelf Life：

Stable, but pyrophoric in air when finely divided. Incompatible with acetylene, hydrazinium nitrate, oxidizing agents, acids.

Precautionary statement(s)：

P261-P280-P342 + P311

Hazard Statements：

H317-H334-H413

Toxicity

Toxicity class：

moderately toxic

Cobalt Use and Manufacturing

For alloys; manufacture of cobalt salts; in nuclear technology.Since 60Co can be encapsulated compactly, it has replaced radium in experimental medicine and cancer research.Cobalt is also used in the cobalt bomb, a hydrogen bomb surrounded by a cobalt metal shell.When the nuclear explosion occurs 60Co is formed from 59Co by neutron capture.Considered a "dirty bomb" because of long half-life and intense b- and g radiation.Max permissible concentration of 60Co in air:10-7mCi/cc, Natl. Bur. Stand. Handb. 69, 31 (1959).

Computed Properties

Molecular Weight:58.93319
Exact Mass:58.933194
Monoisotopic Mass:58.933194
Heavy Atom Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Downstream Products

Cobalt chloride (CoCl2)

Drug Function and Efficacy

Homeopathically used for conditions related to vitamin B12 metabolism and anemia, though evidence is limited to traditional use.

This ingredient has been used in drugs with the following functions (note: it does not mean that the ingredient itself has the following health functions)

Related Drugs

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