Customization: | Available |
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CAS No.: | 65-85-0 |
Formula: | C6h5cooh |
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INCI Adopted Name: | Benzoic acid |
CAS Registry No.: | 65-85-0 |
EINECS No.: | 200-618-2 |
Molecular Formula: | C6H5COOH |
Molecular Weight: | 122.1214 |
Structural Formula: | |
Synonyms: | Carboxybenzene |
Item | CP 2005 | BP 98-2009 | USP23-32 | Food Additive GB1901-2005 | E211 | FCCV | Feed Additive NY/T1447-2007 |
Appearance | White with silky scales or needlelike crystal or crystalline powder | White crystal or white crystalline powder | - | White crystal | White crystal powder | White scaly or needle like crystal | Whate crystal |
Identification | Passed | Passed | Passed | Passed | Passed | Passed | Passed |
Assay | ≥99.0% | 99.0-100.5% | 99.5-100.5% | ≥99.5% | ≥99.5% | 99.5%-100.5% | ≥99.5% |
Solution | - | Clear, colorless | - | - | - | - | - |
Readily oxidizable substance | Passed | Passed | Passed | Passed | Passed | Passed | Passed★ |
Readily carbonizable substance | - | No darker than Y5 (Yellow) | No darker than Q(Pink) | Passed | Passed | Passed | - |
Heavy metal(Pb) | ≤0.001% | ≤10ppm | ≤10ug/g | ≤0.001% | ≤10mg/kg | - | ≤0.001% |
Iginition residule | ≤0.1% | - | ≤0.05% | 0.0005 | - | ≤0.05% | - |
Melting point | 121-124.5ºC | 121-124ºC | 121-123ºC | 121-123ºC | 121.5-123.5ºC | 121-123ºC | 121-123ºC |
Chlorina compound | - | ≤300ppm | - | ≤0.014% | ≤0.07% (Cl) | - | ≤0.014%★ |
As | - | - | - | ≤2mg/Kg | ≤3mg/kg | - | ≤2mg/Kg |
Phthalic acid | - | - | - | Passed | - | - | ≤100mg/kg★ |
Sulphate | ≤0.1% | - | - | ≤0.05% | - | - | |
Loss on drying | - | - | ≤0.7%(water) | ≤0.5% | ≤0.5% | ≤0.7% | ≤0.5%(water) |
☆Polycyclic acid | - | - | - | - | Passed | - | - |
☆Hg | - | - | - | - | ≤1mg/kg | - | - |
☆Pb | - | - | - | - | ≤5mg/kg | ≤2.0mg/kg☆ | - |
- | - | - | - | - | - | ≤100mg/kg |
Grade/ Item | Premium Grade | First Grade | Qualified Grade |
Appearance | White flaked solid | White/ Light yellow flaked solid | |
Assay,% ≥ | 99.0 | 98.5 | 98.0 |
Color (Hazen) ≤ | 50 | 80 | 200 |
Melting Point, ºC ≥ | 120 |