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Cobalt(II) chloride hexahydrate is used as a humidity indicator in weather instruments. It finds use in electroplating of cobalt, in invisible ink, in organic chemistry and is a precursor to cobaltocene(bis (cyclopentadienyl) cobalt(II)).
Ma, F.; Sun, M.; Zhang, K.; Wang, S. A ratiometric fluorescence sensor for highly selective and sensitive detection of mercuric ion. Sens. Actuat. B: Chem. 2015, 209, 377-383.
Fu, S.; Zhu, C.; Li, H.; Du, D.; Lin, Y. One-step synthesis of cobalt and nitrogen co-doped carbon nanotubes and their catalytic activity for the oxygen reduction reaction. J. Mater. Chem. A 2015, 3 (24), 12718-12722.
Hazard Statements: H302-H334-H317-H341-H350-H360
Harmful if swallowed. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction. Suspected of causing genetic defects. May cause cancer. May damage fertility or the unborn child.
Precautionary Statements: P284-P201-P261-P280-P405-P501a
Wear respiratory protection. Obtain special instructions before use. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.