Product name | 4-Aminobenzoic acid; P-Aminobenzoic acid; PABA |
Country of Origin | China | |||
Cas No. | 150-13-0 | Odor | Characteristic | |||
Molecular Formula | C7H7NO2 | Molecular Weight | 137.14 | |||
Standard | USP43/BP2007 | |||||
Function | Main functions are as follows:
1. Sunscreen preparations.2. The material in manufacturing dye. |
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Applications | Main applications are as follows: Applied in industry and medicines. |
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Packing | 1kg /aluminium foil bag, 25kg/drum | |||||
Shelf Life | 24 months | |||||
Storage | Store in sealed containers at cool & dry place. Protect from light, moisture and pest infestation. | |||||
Items | Specification | Results | ||||
Characteristics | White or pale-white crystalline powder | Conforms | ||||
Assay (HPLC or TLC) | 99.00% | 99.85% | ||||
Melting point(℃) | 186--189℃ | Complies | ||||
Loss on drying(%) | ≤0.2% | 0.18% | ||||
Ash(%) | ≤0.1% | 0.05% | ||||
Heavy Metal | 10ppm maximum | Conforms | ||||
Lead | 2ppm maximum | Conforms | ||||
Arsenic | 2ppm maximum | Conforms | ||||
Mercury | 1ppm maximum | Conforms | ||||
Microbiological Items | ||||||
Total Plare Count | 1000cfu/g | Conforms | ||||
Yeast & Mold | 100cfu/g | Conforms | ||||
E.coli | Negative | Conforms | ||||
Salmonella | Negative | Conforms |