Customization: | Available |
---|---|
Type: | Valine |
Chemical Character: | Alkalinity |
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Product Name | 4-Aminobenzoic acid |
CAS No. | 150-13-0 |
MF | C7H7NO2 |
EINECS: | 205-753-0 |
Appearance | powder |
Packing | 25kg drum |
Shelf life | 2 Years |
Items |
Specification |
Characters |
White or off-white crystalline powder |
Identification |
IR should comply with the reference standard spectrum |
UV should comply with the reference standard spectrum |
|
Melting range |
186 ~ 189ºC |
Volatile diazoizable substance |
≤0.002% |
Loss on drying |
≤0.2% |
Residue on ignition |
≤0.1% |
Related substances ( HPLC) |
Nitrobenzoic acid |
Benzocaine<0.2% |
|
Any unspecified impurity<0.1% |
|
Total impurities<0.5% |
|
Aniline and P-toluidine (GC ) |
Aniline<10ppm |
P-toluidine<l0ppm |
|
Heavy metal |
≤0.002% |
Pb |
≤0.05% |
As |
≤0.005% |
Cr |
≤0.005% |
Hg |
≤0.003% |
Salmonella |
Not detected |
Total plate count |
< 10cfu/g |
Coliform bacteria |
< 10cfu/g |
Colibacillus |
< 10cfu/g |
Mould |
< 10cfu/g |
Yeast |
< 10cfu/g |
Staphylococcus aureus |
< 10cfu/g |
Assay |
98.5 ~ 101.5% |
Ordinary impurity |
≤ 1% |
4-Aminobenzoic acid is packaged in 25kg bag
4-Aminobenzoic acid shipping by air, by sea , by air express like Fedex , DHL, UPS