| Content: | Standard |
|---|---|
| Transport Package: | Foil Bag/Drum |
| Specification: | 98% |
| Trademark: | aolunwei |
| Origin: | China |
| Samples: |
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| Customization: |
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Audited Supplier Hot Selling aminobenzoic acid aminobenzoic acid CAS 150-13-0
Para Aminobenzoic acid (also known as para-aminobenzoic acid or PABA because the number 4 carbon in the benzene ring is also known as the para position) is an organic compound with the formula H2NC6H4CO2H. PABA is a white solid, although commercial samples can appear gray. It is slightly soluble in water. It consists of a benzene ring substituted with amino and carboxyl groups. The compound occurs extensively in the natural world.
Product name:4-Aminobenzoic acid
CAS:150-13-0
MF:C7H7NO2
MW:137.14
Appearance:white crystalline powder
Loss on drying:0.15%
Residue on ignition:0.04 %
Assay:99%Min
| Product Name: | Para aminobenzoic acid |
| Cas number: | 150-13-0 |
| Molecular formula | C7H7NO2 |
| ANALYSIS ITEMS | SPECIFICATION |
| Appearance | White or off white crystal or crystalline powder |
| Identification | IR should comply with the reference standard spectrum UV should comply with the reference standard spectrum |
| Solubility | Easily soluble in ethanol and carbonate solution, alkali solution; soluble in ether; slight soluble in water and chloroform |
| Assay | 98.0%~102.0% |
| Loss on drying | ≤ 0.2% |
| Residue on ignition | ≤ 0.1% |
| Heavy metal | ≤ 0.002% |
| Related substances(HPLC) | Nitrobenzoic acid ≤ 0.2% |
| Benzocaine≤ 0.2% | |
| Any unspecified impurity ≤ 0.1% | |
| Total impurities ≤ 0.5% | |
| Aniline and P-toluidine(GC) | Aniline ≤ 10ppm |
| P-toluidine ≤ 10ppm | |
| Packing | Pack in paper-drums and two plastic-bags inside N.W. 25 kgs I.D.35xH51cm. |
| Storage | Store in a well-closed container away from moisture, light, oxygen. |
| Shelf Life | 24 months under the conditions above and in its original packaging |
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