B-PABA
Synonym(s):B-PABA
- CAS NO.：6929-40-4
- Empirical Formula: C17H21N3O4S
- Molecular Weight: 363.43
- MDL number: MFCD00077915
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-07-02 08:28:07
What is B-PABA?
Purification Methods
Dissolve the acid in NaHCO3 solution, cool and precipitate it by adding N HCl. Collect the solid, dry it at 100o and recrystallise it from MeOH. Note that it is hydrolysed by aqueous 3M, 1M and 0.2M HCl at 120o
Properties of B-PABA
| Melting point: | 295-297 °C |
| Boiling point: | 750.5±55.0 °C(Predicted) |
| Density | 1.338±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| pka | 4.32±0.10(Predicted) |
| optical activity | [α]20/D +55±3°, c = 0.5% in 0.1 M NaOH |
| BRN | 50100 |
Safety information for B-PABA
Computed Descriptors for B-PABA
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