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78411

o-Phenylenediamine

free base

Synonym(s):

1,2-Diaminobenzene, 1,2-Phenylenediamine, OPD

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About This Item

Empirical Formula (Hill Notation):
C6H8N2
CAS Number:
95-54-5
Molecular Weight:
108.14
EC Number:
202-430-6
UNSPSC Code:
12352200
PubChem Substance ID:
329768145
Beilstein/REAXYS Number:
606074
MDL number:
MFCD00007721
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vapor density

3.7 (vs air)

vapor pressure

0.01 mmHg ( 25 °C)

form

tablet

concentration

20 mg/tablet (~45 mg)

bp

256-258 °C

mp

100-102 °C

solubility

H2O: 1 tablet/10 mL, clear, colorless

suitability

suitable for fluorescence

storage temp.

2-8°C

SMILES string

Nc1ccccc1N

InChI

1S/C6H8N2/c7-5-3-1-2-4-6(5)8/h1-4H,7-8H2

InChI key

GEYOCULIXLDCMW-UHFFFAOYSA-N

Other Notes

Oxidation to 2,3-diaminophenazine; Determination of urinary oxalate by HPLC; Fluorescent detection of pyruvate

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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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L.D. Buckberry et al
Journal of Liquid Chromatography, 16, 3073-3073 (1993)
Determination of urinary oxalate by high-performance liquid chromatography.
H Hughes et al.
Analytical biochemistry, 119(1), 1-3 (1982-01-01)
P J Tarcha et al.
Analytical biochemistry, 165(1), 230-233 (1987-08-15)
NMR and mass spectroscopic evidence has been obtained which indicates that the product of the oxidation of o-phenylenediamine by hydrogen peroxide, uncatalyzed or catalyzed by horseradish peroxidase, is 2,3-diaminophenazine. These results settle disparate literature descriptions. The process is most likely
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Global Trade Item Number

SKUGTIN
T5200-25MG04061833058787
T5200-5MG04061833058794