Dibenzyl ether

CAS: 103-50-4

Overview

Dibenzyl ether (CAS 103-50-4 ), also recognized in flavor applications by its FEMA 2371 designation, is an aromatic ether used across fragrance compounding, solvent systems, and specialty chemical synthesis.

Its low volatility and chemical stability make it a practical carrier and process solvent in demanding formulation environments. In flavor and fragrance manufacturing, it contributes a faint, sweet-floral character.

The compound functions as a fixative to extend the longevity of fragrance compositions. Coatings and adhesive formulators use it as a high-boiling solvent and plasticizing component where controlled evaporation rates are critical.

Pharmaceutical and fine chemical synthesis relies on it as a catalyst precursor and stabilizing medium. It is particularly useful in reactions requiring an inert, high-boiling ether solvent for consistent results.

Personal care product developers incorporate it into fragrance bases and emollient blends where a stable, low-odor carrier is needed. It is supplied as a clear to pale yellow liquid in drum and IBC quantities.

Technical grade is the standard commercial offering, with high-purity grades available for pharmaceutical and flavor applications meeting relevant quality benchmarks. These grades ensure reliability in sensitive production lines.

Buyers sourcing for food or flavor use should confirm compliance with FEMA 2371 status and applicable regional flavor regulations. This ensures the material meets the necessary safety and regulatory standards for use.

Physical Properties

Melting Point	3.6 °C
Boiling Point	298 °C
Density	0.99735 g/cm³ @ Temp: 25 °C
Flash Point	275 °F
Appearance	colourless liquid
Color	Clear colorless to pale yellow
Odor	at 100.00 %. sweet fruity cherry earthy mushroom rose plastic
Form	Liquid
Water Solubility	insoluble
Vapor Pressure	<1 Pa (25 °C)
Refractive Index	n 20/D 1.562
Log P	3.31

Safety & Handling

Warning GHS07 GHS09 Hazard Statements H303 May be harmful if swallowed H315 Causes skin irritation H316 Causes mild skin irritation H317 May cause an allergic skin reaction H319 Causes serious eye irritation H320 Causes eye irritation H335 May cause respiratory irritation H400 Very toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects H411 Toxic to aquatic life with long lasting effects H413 May cause long lasting harmful effects to aquatic life Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P391 Collect spillage. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P333+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code	29093090
UN Number	3082
ADR Class	9
Packing Group	III
Storage Class	10 - Combustible liquids
WGK (Germany)	2

Other Names

Industries

Coatings, Adhesives, Sealants & Elastomers Food & Nutrition Pharmaceuticals & Healthcare Personal Care & Cosmetics