8.21198
Triphenylphosphine oxide
for synthesis
Synonym(s):
Triphenylphosphine oxide
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About This Item
Empirical Formula (Hill Notation):
C18H15OP
CAS Number:
Molecular Weight:
278.28
EC Index Number:
212-338-8
UNSPSC Code:
12352119
MDL number:
vapor pressure
<1 hPa ( 50 °C)
Quality Level
assay
≥98.0% (HPLC)
autoignition temp.
590 °C
potency
685 mg/kg LD50, oral (Rat)
mp
155-158 °C
transition temp
flash point 180 °C
density
1.2 g/cm3 at 20 °C
bulk density
400‑450 kg/m3
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/h1-15H
InChI key
FIQMHBFVRAXMOP-UHFFFAOYSA-N
Analysis Note
Assay (HPLC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 155 °C
Melting range (upper value): ≤ 158 °C
Identity (IR): passes test
Melting range (lower value): ≥ 155 °C
Melting range (upper value): ≤ 158 °C
Identity (IR): passes test
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 3
Storage Class
11 - Combustible Solids
wgk
WGK 2
flash_point_f
356.0 °F
flash_point_c
180 °C
Certificates of Analysis (COA)
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