4,4-Bis(diethylphosphonomethyl)biphenyl
- CAS NO.：17919-34-5
- Empirical Formula: C22H32O6P2
- Molecular Weight: 454.43
- MDL number: MFCD01321144
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:33:43
What is 4,4-Bis(diethylphosphonomethyl)biphenyl?
The Uses of 4,4-Bis(diethylphosphonomethyl)biphenyl
4,4-Bis(diethylphosphonomethyl)biphenyl is a white powder used as an organic synthesis intermediate for the synthesis of fluorescent brighteners CBS-X, CBS-127, etc.
Synthesis
A mixture of 4,4’-bis(bromoethyl)biphenyl (0.204 g, 0.592 mmol) and P(OEt)3 (1 mL, 6.27mmol) was heated at 150°C for 12 h under N2. The mixture was purified over silica gel column chromatography using ethyl acetate as eluant, giving 258 mg of 4,4-Bis(diethylphosphonomethyl)biphenyl. Yield: 96 percent.
Properties of 4,4-Bis(diethylphosphonomethyl)biphenyl
| Melting point: | 108-110°C |
| Boiling point: | 578.4±50.0 °C(Predicted) |
| Density | 1.155±0.06 g/cm3(Predicted) |
| form | powder to crystal |
| color | White to Almost white |
| CAS DataBase Reference | 17919-34-5(CAS DataBase Reference) |
Safety information for 4,4-Bis(diethylphosphonomethyl)biphenyl
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4,4-Bis(diethylphosphonomethyl)biphenyl
| InChIKey | DRCOGQJUVZRNSQ-UHFFFAOYSA-N |
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