Cobalt(II) oxalate dihydrate

  • Cobaltous oxalate dihydrate
  • Cobalt, diaqua[ethanedioato(2-)-kO1,kO2]-, (T-4)-
  • Diaquaoxalato cobalt
  • Cobalt(2+) oxalate dihydrate
  • Oxalic acid, cobalt(2+) salt (1:1), dihydrate
  • Cobalt, diaqua[ethanedioato(2-)-O,O']-, (T-4)-
Formula
CoC2O4 : H2O
Structure
Description
pink needles

Registry Numbers and Inventories.
CAS
5965-38-8
20.21.22

Properties.
Formula
C2H4CoO5
Formula mass
166.98
Melting point, °C
230 (dec)

Hazards and Protection.
Storage
Keep container closed. Store in a cool dry place.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Cobalt/cobalt oxides.

Fire.
Fire fighting
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.

Health.
Exposure effects
Harmful if swallowed, inhaled, or absorbed through skin. High concentrations are extremely destructive to tissues of the eyes, and skin. Targets connective tissue, liver and kidney. Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.