Code:

INS 283; EEC NO.E282; GB 12493-90(17.005);

CAS:

4072-81-4

Molecular formula:

(CH₃CH₂COO)₂Ca·O～1H₂O
C₆H₁₀CaO₄·O～1H₂O

Molecular weight:

186.22(anhydrous)

Properties:

white crystal, granule or crystalline powder, odorless or slight propanoic acid odor, Its monohydrate is food additive, PH of 10% solution is 8 to 10.
It can release free propanoic acid in acidic condition, and can be used as antiseptic or mildew preventive of bread.
It exists in Swiss cheese naturally.

Assay(dry)

≥99.0%

Water insoluble matter

≤0.30%

Moisture(120℃,2h)

≤9.5%

free acid or alkali

Through experiment

Fluoride(as F )

≤0.003%

As(as As2O2)

≤0.0004%

Heavy metals(as Pb)

≤0.001%

Fe(GT-17; sample0.5g)

≤50mg/kg

Lead(atomic absorption method)

≤5mg/kg