Molecular Formula | CoN6Na3O12 |
Molar Mass | 403.94 |
Melting Point | 220°C (dec.)(lit.) |
Water Solubility | Soluble in water |
Solubility | 720g/l |
Appearance | Solid |
Color | Orange to orange-brown |
Odor | Odorless |
Merck | 13,8677 |
PH | 5 (100g/l, H2O, 20℃) |
Storage Condition | Store below +30°C. |
Stability | Stable. Contact with conbustible material may cause fire. Incompatible with strong acids, organic materials, amines. |
Use | Used as a reagent for microanalysis of potassium |
Risk Codes | R8 - Contact with combustible material may cause fire R36/37/38 - Irritating to eyes, respiratory system and skin. R42/43 - May cause sensitization by inhalation and skin contact. R40 - Limited evidence of a carcinogenic effect |
Safety Description | S17 - Keep away from combustible material. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. |
UN IDs | UN 1479 5.1/PG 2 |
WGK Germany | 3 |
RTECS | GF9480000 |
HS Code | 28429090 |
Hazard Class | 5.1 |
Packing Group | II |
sodium cobalt nitrite | sodium cobalt nitrite also known as sodium cobalt hexanitrate, chemical formula Na3Co(NO2)6. Molecular weight 403.94. Yellow or orange-yellow crystalline powder. Soluble in water, slightly soluble in ethanol, aqueous solution for a long time decomposition, inorganic acid decomposition, do not dissolve in dilute acetic acid. Preparation Method: cobalt nitrate, sodium nitrite in acetic acid medium into air oxidation system. Purposes: for the determination of potassium trace analysis reagent. |
Use | as a reagent for microanalysis of potassium determination of potassium, rubidium and cesium. Identification of potassium in the soil analysis. nitrosation reagent for the conversion of aromatic amines to 1, 3-diaryltriazene in high yield. |