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Substance Name: Triphenylphosphine oxide
RN: 791-28-6
UNII: Z69161FKI3
InChIKey: FIQMHBFVRAXMOP-UHFFFAOYSA-N
Note
- Used in the extraction, separation & spectrophotometric determination of cadmium & mercury in environmental samples.
Molecular Formula
- C18-H15-O-P
Molecular Weight
- 278.289
- All
- Classifications
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Code
- Drug / Therapeutic Agent
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Names and Synonyms
Name of Substance
- Triphenylphosphine oxide
Synonyms
- EC 212-338-8
- EINECS 212-338-8
- NSC 398
- Triphenyl phosphine oxide
- Triphenyl phosphorus oxide
- Triphenylphosphine oxide
- UNII-Z69161FKI3
Systematic Names
- Phosphine oxide, triphenyl-
- Triphenylphosphine oxide
Registry Numbers
CAS Registry Number
- 791-28-6
FDA UNII
- Z69161FKI3
Other Registry Number
- 47027-44-1
System Generated Number
- 0000791286
Structure Descriptors
InChI
InChI=1S/C18H15OP/c19-20(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15HInChIKey
FIQMHBFVRAXMOP-UHFFFAOYSA-NSmiles
O=P(c1ccccc1)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| chicken | LD50 | oral | > 5gm/kg (5000mg/kg) | National Technical Information Service. Vol. OTS0570648, | |
| dog | LDLo | oral | 500mg/kg (500mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: AGGRESSION LUNGS, THORAX, OR RESPIRATION: DYSPNEA | National Technical Information Service. Vol. OTS0570648, |
| mouse | LD50 | oral | 1380mg/kg (1380mg/kg) | Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. For English translation, see PCJOAU. Vol. 24(4), Pg. 22, 1990. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | 156.5 | deg C | EXP | |
| Boiling Point | > 360 | deg C | EXP | |
| log P (octanol-water) | 2.83 | (none) | EXP | |
| Water Solubility | 62.8 | mg/L | 25 | EST |
| Henry's Law Constant | 5.26E-10 | atm-m3/mole | 25 | EST |
| Atmospheric OH Rate Constant | 5.85E-12 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.