Products Description
Diphenyl ether, also called diphenyl oxide, is a colorless liquid with a floral fragrance. It appears as a white crystalline solid when the temperature is below 27°C. It features low volatility, limited water solubility and excellent high-temperature stability. Contact with oxidizing substances should be avoided.
Chemical Properties
| Item | Specification |
| 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.) |
| FEmaleic-anhydride.html">MA | 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. |
| explosive limit | 0.8-1.5%(V) |
| Odor Threshold | 0.1ppm |
| Odor Type | green |
| biological source | synthetic |
| 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
| Item | Specification |
| 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 |
Product Application
It is widely applied as a heat transfer medium and dye carrier, used either alone or in combination with other materials. Thanks to its chemical reactivity, it also serves as a raw material and intermediate for manufacturing various industrial products.
Supply & Delivery
Fast delivery time
Inventory: 2-3 working days
New production: 7-10 working days
