Sodium formate, HCOONa, is the sodium salt of formic acid, HCOOH. It usually appears as a white deliquescent powder. It has an Enumber of E237. Sodium formate is used in several fabric dyeing and printing processes. It is also used as a buffering agent for strong mineral acids to increase their pH, as a food additive (E237), and as a de-icing agent.
Description: White crystalline powder
Arsenic: maximum 1 ppm
Lead: maximum 1 ppm
Copper & Zinc: maximum 0.005%
pH ( 5% solution): 7 to 8
Clarity of 5% solution: Clear solution
Loss on drying at 105C for 2 hours: maximum 1%
Assay on dry basis: Minimum 98%.
HCOONa --- Formula Wt 68.01 --- CAS Number 141-53-7
REQUIREMENTS
Assay: 99.0% HCOONa