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Merck

8.21197

Triphenyl phosphate

for synthesis

Synonym(s):

Triphenyl phosphate, Phosphoric acid triphenyl ester

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About This Item

Linear Formula:
(C6H5O)3PO
CAS Number:
Molecular Weight:
326.28
UNSPSC Code:
12352108
EC Index Number:
204-112-2
NACRES:
NA.22
MDL number:
Assay:
≥99.0% (GC)
Form:
solid
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vapor pressure

<0.01 hPa ( 20 °C)

Quality Segment

assay

≥99.0% (GC)

form

solid

autoignition temp.

>500 °C

potency

3500 mg/kg LD50, oral (Rat), >7900 mg/kg LD50, skin (Rabbit)

bp

220 °C/5 hPa

mp

48-50 °C

transition temp

flash point >230 °C

solubility

0.0019 g/L

bulk density

650 kg/m3

storage temp.

2-30°C

SMILES string

[P](=O)(Oc3ccccc3)(Oc2ccccc2)Oc1ccccc1

InChI

1S/C18H15O4P/c19-23(20-16-10-4-1-5-11-16,21-17-12-6-2-7-13-17)22-18-14-8-3-9-15-18/h1-15H

InChI key

XZZNDPSIHUTMOC-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 48 °C
Melting range (upper value): ≤ 50 °C
Identity (IR): passes test


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pictograms

Environment

signalword

Warning

hcodes

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

428.0 °F - closed cup

flash_point_c

220 °C - closed cup


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified



Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
8.21197.100004022536475806
8.21197.010004022536475790