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Merck
CN

72935

Diphenyl phosphoryl azide

purum, ≥98.0% (HPLC)

Synonym(s):

DPPA, Phosphoric acid diphenyl ester azide

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About This Item

Linear Formula:
(C6H5O)2P(O)N3
CAS Number:
Molecular Weight:
275.20
EC Number:
247-644-0
UNSPSC Code:
12352000
PubChem Substance ID:
Beilstein/REAXYS Number:
2058967
MDL number:
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grade

purum

assay

≥98.0% (HPLC)

color

slightly yellow

refractive index

n20/D 1.551

bp

157 °C/0.17 mmHg (lit.)

density

1.277 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

[N-]=[N+]=NP(=O)(Oc1ccccc1)Oc2ccccc2

InChI

1S/C12H10N3O3P/c13-14-15-19(16,17-11-7-3-1-4-8-11)18-12-9-5-2-6-10-12/h1-10H

InChI key

SORGEQQSQGNZFI-UHFFFAOYSA-N



pictograms

Skull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

233.6 °F - closed cup

flash_point_c

112 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

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