TRIPHENYL PHOSPHATE†
| CAS # | 115-86-6 |
|---|---|
| Formula |
C₁₈H₁₅O₄P |
| Synonyms |
phenyl phosphate; TPP; triphenyl ester of phosphoric acid |
| Physical description | Colorless, crystalline powder with a phenol-like odor. | ||
|---|---|---|---|
| Boiling point | 473°F at 11 mmHg | Molecular weight | 326.3 |
| Freezing point/melting point | 122-124°F | Vapor pressure | 1 mmHg at 380°F |
| Flash point | 428°F | Vapor density | |
| Specific gravity | 1.2055 | Ionization potential | |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 1 | NFPA fire rating | 1 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 2535 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | Pre-assembled cassette with mixed cellulose ester filter (MCEF) 0.8 micron (25 or 37 mm) [MAWP025A0 or MAWP037A0] | ||
| Sampling time* | |||
| Sampling volume (TWA)* | 10-400 L |
||
| Sampling flow rate (TWA)* | 1-3 L/min |
||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | GC-FPD | ||
| Method reference | NIOSH 5038 (partially validated) | ||
| Notes | |||
| Special requirements |
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
| Wipe Sampler/Sampling media | |
|---|---|
| Bulk Method |
| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA |
3 mg/m³ |
REL-TWA |
3 mg/m³ |
TLV-TWA |
3 mg/m³ [1992] |
PEL-TWA |
3 mg/m³ |
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
Y |
| Notes: | Notes: | Notes: | Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
1000 mg/m³ |
|||||
| Carcinogenic classifications: TLV-A4 | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Triphenyl phosphate NIOSH: Pocket Guide to Chemical Hazards - Triphenyl phosphate Literature References
|
Last Updated Date : 01/28/2021