SACHEM's Methyltributylammonium Choloride (MTBAC) is one of the best and most economical phase transfer catalysts available.  SACHEM makes the product easy to use by providing both 75% aqueous and 98% crystalline versions. 

MTBAC Advantages

• Lower cost per mole than Tetrabutylammonium Bromide (TBAB)
• Asymmetric cation improved charge center accessibility
• More water soluble than TBAB for easier product separation
• Improved handling and lower personnel exposure through the use of out aqueous and flowable solid product versions.
• Absolute confidence in crystalline product integrity through the use of heat sealed foil-lined bags.