Alcohols & Glycols
REACH
2,4-dichlorobenzyl alcohol
CAS Number
1777-82-8
EC Number
217-210-5
What is 2,4-dichlorobenzyl alcohol?
2,4-Dichlorobenzyl alcohol (CAS 1777-82-8) is an aromatic chlorinated alcohol used as an antimicrobial and preservative agent. Also marketed as Dybenal.
Where is 2,4-dichlorobenzyl alcohol used?
- Pharmaceutical and healthcare: active ingredient in throat lozenges and topical antiseptics
- Personal care and cosmetics: preservative booster in rinse-off and leave-on products
- Textile processing and leather treatment: biocide controlling microbial degradation
- Construction materials and polymer systems: flame retardant
- It delivers broad-spectrum activity against bacteria and fungi.
Commercial specifications
- Pharmaceutical-grade specifications include BP and Ph. Eur. compliance
Other Names (Synonyms)
Dybenal|Dichlorobenzyl alcohol|2,4-dichlorobenzenemethanol|(2,4-Dichlorophenyl)methanol|Benzyl alcohol, 2,4-dichloro-|Benzenemethanol, 2,4-dichloro-
What are the physical properties of 2,4-dichlorobenzyl alcohol?
Melting Point 59.5 °C
Boiling Point 150 °C @ Press: 25 Torr
Density 1.2970 (rough estimate)
Flash Point >230 °F
Appearance white to light yellow crystal powde
Color White to Off-White
Form neat
Water Solubility Soluble in water, methanol and chloroform.
Vapor Pressure 0.154Pa at 25℃
Refractive Index 1.5756 (estimate)
Log P 2.8 at 24℃
How is 2,4-dichlorobenzyl alcohol classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS07· Irritant
Hazard Statements
H318 Causes serious eye damage
H332 Harmful if inhaled
H412 Harmful to aquatic life with long lasting effects
Precautionary Statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
Which trade and regulatory codes apply to 2,4-dichlorobenzyl alcohol?
HS Code 29062900
Storage Class 13 - Non Combustible Solids
WGK (Germany) 2