Name | Cobaltous nitrate |
Synonyms | Cobalt Nitrate cobaltdinitrate cobalt(2+)nitrate Cobaltous nitrate cobaltbis(nitrate) Cobalt(II) nitrate cobalt(2+) dinitrate cobaltnitrate(co(no3)2) PLATING SOLUTION CO-701 Nitricacid,cobalt(2+)salt nitricacid,cobalt(2++)salt |
CAS | 10141-05-6 |
EINECS | 231-158-0 |
InChI | InChI=1/Co.NO3/c;2-1(3)4/q+2;-1 |
Molecular Formula | CoN2O6 |
Molar Mass | 182.94 |
Density | 1.03g/mLat 25°C |
Melting Point | decomposes at 100–105℃ [MER06] |
Boling Point | 2900°C(lit.) |
Flash Point | 4°C (Toluene) |
Water Solubility | g/100g solution H2O: 45.66 (0°), 50.5 ± 0.2 (25°C), 77.21 (91°C); solid phase, Co(NO3)2 ·6H2O (0°C, 25°C), Co(NO3)2 · 3H2O (91°C) [KRU93] |
Solubility | H2O: soluble |
Vapor Presure | 0Pa at 20℃ |
Appearance | wire |
Merck | 13,2469 |
Physical and Chemical Properties |
Pale red powder (anhydrous, CAS 10141-05-06) or red crystalline solid (hexahydrate, CAS 10026-22-9). Heating to decomposition releases toxic fumes of NOx. Strong oxidising agent. UN and HAZCHEM refer to nitrates, inorganic, NOS. |
Risk Codes | R45 - May cause cancer R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R34 - Causes burns R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R43 - May cause sensitization by skin contact R40 - Limited evidence of a carcinogenic effect R36/38 - Irritating to eyes and skin. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R49 - May cause cancer by inhalation R60 - May impair fertility R42/43 - May cause sensitization by inhalation and skin contact. |
Safety Description | S53 - Avoid exposure - obtain special instructions before use. S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37 - Wear suitable protective clothing and gloves. S36 - Wear suitable protective clothing. |
UN IDs | UN 3264 8/PG 3 |
WGK Germany | 3 |
RTECS | GF8750000 |
HS Code | 28342910 |
Hazard Class | 5.1 |
Packing Group | II |
Toxicity | LD in rabbits (mg/kg): 250 orally, 75 s.c. (Venugopal, Luckey) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
category | oxidant |
toxicity grade | high toxicity |
Acute toxicity | oral-rat LD50: 434 mg/kg |
explosive hazard characteristics | mixed with reductant, sulfur, phosphorus, etc, friction can burst |
flammability hazard characteristics | is combustible in combination with organic matter, reducing agent, combustible sulfur and phosphorus; toxic nitrogen oxides and cobalt-containing fumes from combustion |
storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is light and easy to discharge; It is combined with organic matter, reductant, sulfur and phosphorus combustible substances, separate storage of food raw materials |
fire extinguishing agent | water, sand, foam |
Occupational Standard | TWA 0.05 mg (cobalt)/m3 |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |