Diphenyl ether CAS#101-84-8

Diphenyl ether is an organic compound with a wide range of industrial applications. It’s a colorless and odorless liquid, known for its thermal stability and low toxicity. Commonly used as a heat transfer medium in industrial processes, it’s also found in the manufacturing of polymers and as a flame retardant in various materials. Its chemical properties make it a reliable component in high-temperature applications.

Diphenyl ether CAS#101-84-8

Diphenyl ether Chemical Properties
Melting point 26 °C
Boiling point 259 °C(lit.)
density 1.073 g/mL at 25 °C(lit.)
vapor density >5.86 (25 °C, vs air)
vapor pressure <1 mm Hg ( 20 °C)
refractive index n20/D 1.579(lit.)
FEMA 3667 | DIPHENYL ETHER
Fp >230 °F
storage temp. Store below +30°C.
solubility alcohol: soluble(lit.)
form Colorless liquid
color White or Colorless to Almost white or Almost colorless
Specific Gravity 1.073
Relative polarity 2.8
Odor Weak geranium.
Odor Threshold 0.1ppm
Odor Type green
explosive limit 0.8-1.5%(V)
Water Solubility insoluble
FreezingPoint 27℃
Merck 14,7288
JECFA Number 1255
BRN 1364620
Henry’s Law Constant 2.13 at 20 °C (approximate – calculated from water solubility and vapor pressure)
Exposure limits NIOSH REL: TWA 1 ppm (7 mg/m3), IDLH 100 ppm; OSHA PEL: TWA 1 ppm; ACGIH TLV: TWA 0.1, STEL 2 ppm (adopted).
Dielectric constant 3.7(30℃)
InChIKey USIUVYZYUHIAEV-UHFFFAOYSA-N
LogP 4.21 at 25℃
CAS DataBase Reference 101-84-8(CAS DataBase Reference)
NIST Chemistry Reference Diphenyl ether(101-84-8)
EPA Substance Registry System Phenyl ether (101-84-8)
Safety Information
Hazard Codes N,Xi,T
Risk Statements 51/53-36/37/38-39/23/24/25-23/24/25-36/38-36
Safety Statements 60-61-57-37/39-26-45-36/37
RIDADR UN 3077 9/PG 3
OEB B
OEL TWA: 1 ppm (7 mg/m3)
WGK Germany 2
RTECS KN8970000
Autoignition Temperature 610 °C
TSCA Yes
HS Code 2909 30 10
HazardClass 9
PackingGroup III
Hazardous Substances Data 101-84-8(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 2450 mg/kg LD50 dermal Rabbit > 7940 mg/kg
IDLA 100 ppm