Flavors & Fragrances
REACH
Diphenyl ether
CAS Number
101-84-8
EC Number
202-981-2
FEMA Number
FEMA 3667
Abbreviation
DPE
What is Diphenyl ether?
Diphenyl ether (CAS 101-84-8), also known as phenyl oxide and DPE, is an aromatic compound used as a fragrance ingredient and flavoring agent. FEMA 3667.
Where is Diphenyl ether used?
- Fragrance formulation: floral note in fine fragrances
- Soaps and cosmetics: lasting aromatic character
- Food and beverage: FEMA-designated flavoring agent at controlled trace levels
- Personal care: scenting component in lotions, creams and rinse-off products
- Pharmaceutical and healthcare products: fragrance masking and mild preservative-adjacent properties
- It imparts subtle floral nuances to consumer goods.
Good to know: With FEMA 3667 designation, it is recognized as a flavor material delivering a distinctive geranium-like, rose-nuanced character. The supply conforms to FEMA 3667 specifications as the primary quality benchmark for buyers.
Commercial specifications
- Flavor and fragrance grade
- Drum and smaller lot quantities
Other Names (Synonyms)
phenyl oxide|Phenyl ether, vapor|Phenyl ether, 8CI|phenyl ether|Phenoxy-Benzene|Geranium crystals|Ether, diphenyl|DPE
What are the physical properties of Diphenyl ether?
Melting Point 28 °C
Boiling Point 259 °C
Density 1.08 g/cm³
Flash Point >230 °F
Appearance clear pale yellowish liquid after melting
Color White or Colorless to Almost white or Almost colorless
Odor Weak geranium.
Form Colorless liquid
Water Solubility insoluble
Vapor Pressure <1 mm Hg ( 20 °C)
Refractive Index n 20/D 1.579(lit.)
Log P 4.21 at 25℃
How is Diphenyl ether classified and handled safely? Learn More
Warning
GHS07· Irritant GHS09· Environmental Hazard GHS08· Health Hazard
Hazard Statements
H303 May be harmful if swallowed
H316 Causes mild skin irritation
H319 Causes serious eye irritation
H320 Causes eye irritation
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P318 IF exposed or concerned, get medical advice.
Which trade and regulatory codes apply to Diphenyl ether?
HS Code 29093000
UN Number 3077
ADR Class 9
Packing Group III
Storage Class 11 - Combustible Solids
WGK (Germany) 2