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Merck
CN

275786

1,2-Phenylenediamine

≥99%, purified by sublimation

Synonym(s):

o-Phenylenediamine, 1,2-Diaminobenzene, OPD

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About This Item

Linear Formula:
C6H4(NH2)2
CAS Number:
Molecular Weight:
108.14
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
202-430-6
MDL number:
Beilstein/REAXYS Number:
606074
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vapor density

3.7 (vs air)

vapor pressure

0.01 mmHg ( 25 °C)

assay

≥99%

purified by

sublimation

bp

256-258 °C (lit.)

mp

100-102 °C (lit.)

SMILES string

Nc1ccccc1N



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signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Irrit. 2 - Muta. 2 - Skin Sens. 1

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

276.8 °F - closed cup

flash_point_c

136 °C - closed cup

Regulatory Information

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Hai-Long Wang et al.
Acta tropica, 137, 58-66 (2014-05-13)
Nasal vaccination is an effective therapeutic regimen for preventing certain infectious diseases. The mucosal immune response is important for resistance to Toxoplasma gondii infection. In this study, we evaluated the immune responses elicited in BALB/c mice by nasal immunisation with
Antonella Cerino et al.
PloS one, 10(4), e0125704-e0125704 (2015-04-30)
We describe the production and characterization of human monoclonal antibodies (mAb) specific for the major hepatitis B virus (HBV) S protein. The mAbs, two IgG1κ and one IgG1λ, were secreted by B-cell clones obtained from peripheral blood mononuclear cells (PBMC)
Derek L Clouthier et al.
Journal of immunology (Baltimore, Md. : 1950), 193(10), 5033-5043 (2014-10-05)
The costimulatory TNFR family member GITR can provide important survival signals for CD8 T cells. However, little is known about the regulation of this pathway during a chronic infection. In this study, we show that GITR ligand (GITRL) is maximally