Benzyltrimethylammonium chloride
CAS Number
56-93-9
EC Number
200-300-3
Abbreviation
BTMAC
What is Benzyltrimethylammonium chloride?
Benzyltrimethylammonium chloride (CAS 56-93-9), abbreviated BTMAC or TMBAC, is a quaternary ammonium salt.
Where is Benzyltrimethylammonium chloride used?
- Pharmaceutical and fine chemical manufacturing: phase-transfer catalyst accelerating reactions between aqueous and organic phases, reducing processing time and improving yields in API synthesis
- Personal care and cosmetics: preservative and conditioning agent in rinse-off and leave-on products
- Agricultural formulations: biocidal active or adjuvant
- Biotechnology: cell disruption
- It serves as a reagent in nucleic acid extraction workflows.
Commercial specifications
- Purity typically 97% to 99%+
- Packaging from kilogram-scale laboratory quantities to bulk industrial supply
Other Names (Synonyms)
Tmbac|Benzenemethanaminium, N,N,N-trimethyl-, chloride|TRIMETHYLBENZYLAMMONIUM CHLORIDE|Ammonium, benzyltrimethyl-, chloride|VNK45Y7BA1|Hipochem migrator j|Benzenemethanaminium, N,N,N-trimethyl-, chloride (1:1)|BTMAC
What are the physical properties of Benzyltrimethylammonium chloride?
Melting Point 243 °C
Boiling Point 305.52°C (rough estimate)
Density 1.07 g/cm³ @ Temp: 20 °C
Appearance white to light yellow crystal powde
Color White to ivory
Odor Faint, almond like odor
Form Crystalline Powder or Chunks
Water Solubility 800 g/L
Vapor Pressure <0.0001 hPa (20 °C)
Refractive Index n 20/D 1.479
pH 6-8 (100g/l, H2O, 20℃)
How is Benzyltrimethylammonium chloride classified and handled safely? Learn More
Danger
GHS06· Toxic GHS07· Irritant GHS08· Health Hazard GHS09· Environmental Hazard
Hazard Statements
H301 Toxic if swallowed
H311 Toxic in contact with skin
H315 Causes skin irritation
H319 Causes serious eye irritation
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P262 Do not get in eyes, on skin, or on clothing.
Which trade and regulatory codes apply to Benzyltrimethylammonium chloride?
HS Code 29239000
UN Number 2811
ADR Class 6.1
Packing Group III
Storage Class 6.1D - Non-combustible acute toxic Cat.3
toxic hazardous materials or hazardous materials causing chronic effects
WGK (Germany) 3