| ≥1 piece |
Description: colorless acicular crystal or white crystal powder. Tasteless, slight special smell. Melting point:132~135 ℃ ; Boiling point:228 ℃ (resolve); Flash point: 127 ℃ .Difficultly soluble in water(0.16g/100ml ， 20 ℃ ),soluble in alcohol(1g/10ml),in diethyl ether(1g/10ml),in anhydrous alcohol(12.9g/100ml),in Peanut oil(0.9g/100ml),in glycerin(0.3g/100ml)and in acetic acid(11.5g/100ml) 。
Specification:
|
Item |
Specification |
|
Appearance |
Colorless needles or as a white to off-white, free-flowing powder |
|
Solubility |
It is slightly soluble in water. One g dissolves in about 10 mL of ethanol and in about 20mL of ether. |
|
Identification |
Positive |
|
Assay |
99.0%-101.0% |
|
Melting Point |
132.0-135.0 ° C |
|
Residue on ignition |
NMT 0.2% |
|
Water |
NMT 0.5% |
|
Arsenic |
NMT 3 mg/kg |
|
Heavy metals (as Pb) |
NMT 10 mg/kg |
|
Lead |
NMT 2 mg/kg |
|
Mercury (Hg) |
NMT 1 mg/kg |
Usage: the product mainly used for food,tobacco,medicine,feed and cosmetics, is regarded as low toxicity, highly efficiency food preservative internationally. It can remarkably inhibit putrefactive bacterial, molds, yeast and aerobic bacterial.