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Benzoic acid C7H6O2 | CAS#:65-85-0 |
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| Molecular
formula |
C7H6O2 |
|
122.13 |
| Properties |
white scaly or
needle-like crystal , with
slight odor of benzoin or benzaldehyde,
sublimation in
100?? , Relative density 1.316,Boiling point
249.2??
, Melting point
121.7??
, |
| Uses |
preservative, antimicrobial agent of
food and medicine ; plasticizer and material |
| Dosage |
Bread & cake 0.25-0.5%; chocolate product 0.2-0.4%; jelly confectionery jam 1% max ; candy , cheese 0.1-0.3%;
soy 0.1-0.25%. |
| Limit |
|
| Packing |
Internal
packing is PE film bag, , the
external packing is PP woven bag, net wt
25KG |
| Quality standard |
Index name |
Industrial grade
Q/TALH |
Food grade
GB1902-94 |
Pharmaceutical grade
BP98 |
Assay(dry) |
≥98% |
≥99.5% |
99.0-100.5% |
Melting point |
121
-124℃ |
121
-123℃ |
121
-124℃ |
Readily
oxidizable substance |
/ |
passed |
passed |
Readily
carbonizable substance |
/ |
passed |
passed |
Chloride |
/ |
≤0.014% |
≤0.03% |
Heavy metals (as pb) |
/ |
≤0.01% |
≤0.001% |
Vulcanizing
residue |
/ |
/ |
≤0.1% |
As |
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≤0.0002% |
/ |
Phthalic acid |
/ |
≤0.0002% |
/ |
Loss on dry |
/ |
≤0.5% |
/ |
Whiteness |
/ |
meet the standard |
meet the standard |
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