Longtengyu Fine Chemicals Co., Ltd are a professional manufacturer of 4-tert-butylbenzoic Acid (PTBBA）and Methyl p-tert-Butyl Benzoate in China, with capacity of more than 3500mt per year.
We have been manufacturing and exporting this product to many countries, with very good feedback from clients in Europe, Japan,korea and Latin America.  
Please find following the specification for your reference. We can also customize the quality according to your requirements.
If you are interested, please visit www.com, and feel free to contact us for further information.

1. Molecular Formula: C11H14O2 
2. Molecular Weight: 178.23
3. CAS No.: 98-73-7
4. Appearance: White crystal
5. Assay : 99% min
6. Melting range: 164-167 deg C 
7. Acidity: 312 -315 mg KOH/g
8. Ash: 0.1% max
9. Loss on drying: 0.1% max
10. Fe: 3 ppm max
11. Package: 25kg paper bag with plastic liner, 18mt/20fcl(palletized).