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Octadecyl Trimethyl Ammonium Chloride (OTAC)

CAS No. 112-03-8 EINECS No. 203-929-1
Molecular Formula C21H46NCL Molecular Weight 348.05
Structural Formula

Product Features

Octadecyl Trimethyl Ammonium Chloride(OTAC) is soluble in water, ethanol and methanol. It has good compatibility with cationic, nonionic and amphoteric surfactants.

Octadecyl Trimethyl Ammonium Chloride(OTAC) has good chemical stability, heat resistance, light resistance, pressure resistance, resistance to acid and alkali, and it also has excellent properties of permeability, softness, emulsification, anti electrostatic and bactericidal.

Technical Specification

Parameter Standard
Appearance Colorless to pale yellow liquid Colorless to pale yellow cream liquid
Active content, % 48-52 68-72
Free amine, % 1.5 max 2.0 max
pH (10% water solution) 4.0-9.0 4.0-9.0

Applications & Usage

1. Used as a fabric softener.

2. Used as raw materials of asphalt emulsion and hair conditioner.

3. Control additives: synthetic fiber antistatic agent, plant fiber softener.

4. Modified additives: organic bentonite modifier.

5. Flocculant: Bio pharmaceutical industry protein coagulant, flocculant for wastewater treatment.

6. Used as antistatic agents of textile fiber, hair adjustment agent, emulsifier of asphalt, silicone oil and rubber.

7. Used as bacteria of cycling cooling water and disinfectant.

Package & Storage

25L Drum 200L Drum 1000L IBC
Storage for ten months in shady room and dry place.

Hazard & Safety Precaution

Hazard Information Satety Precaution

Corrosive and Toxic, Class 8(6.1) , UN2922

Once contacted with eye and skin, flush with plenty of clean water.

Alternative Name / Synonyms

  1. 1831
  2. Octadecyl Trimethyl Ammonium Chloride
  3. STAC
  4. Stearyl Trimethyl Ammoium Chloride
  5. TrimethylStearylAmmonium Chloride
  6. 1-octadecanaminium,n,n,n-trimethyl-,chloride