Sodium4，8-dibutyl naphthalene sulfonate（CAS.NO：25638-17-9） 

Other names：

Nekal BX

Nekal BN

Nekal BN

Penetrating agent BX 

Nature：

Appearance: beige powder

Water solubility: soluble in water.

Feature:

17%～20% liquid relative density is 1.075～1.12. be stability to acid, alkali, hard water. Have good wet ability, permeability, emulsibility and foam ability.

Purpose：

Used as penetrating agent, wetting agent in textile industry, it is widely used in refine, bleach and dyeing. It can instead Turkey red oil, but it will feel stiff and the vividness of color is descend. Now, it is instead by non-ionic penetrating agent. Now, it used as emulsifier, softener in Synthetic rubber production, it can also used as detergent, dyeing auxiliary, dispersing agent, wetting agent in papermaking.