78440
o-Phenylenediamine dihydrochloride
≥99.0% (AT)
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About This Item
Linear Formula:
C6H4(NH2)2·2HCl
CAS Number:
Molecular Weight:
181.06
EC Number:
210-418-7
UNSPSC Code:
12352100
PubChem Substance ID:
Beilstein/REAXYS Number:
3912045
MDL number:
assay
≥99.0% (AT)
mp
258 °C (dec.) (lit.)
SMILES string
Cl[H].Cl[H].Nc1ccccc1N
InChI
1S/C6H8N2.2ClH/c7-5-3-1-2-4-6(5)8;;/h1-4H,7-8H2;2*1H
InChI key
RIIWUGSYXOBDMC-UHFFFAOYSA-N
General description
o-Phenylenediamine dihydrochloride (OPD) is a chromogenic substrate that can be used in enzyme-linked immunosorbent assay (ELISA) procedures as it utilizes horseradish peroxidase conjugates. The substrate produces a soluble end product that is orange-brown and can be read spectrophotometrically at 450 nm. The OPD reaction may be stopped with 3N HCl or 3M H2SO4 and read at 492 nm.
Disclaimer
may discolor to violet on storage
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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
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
wgk
WGK 3
Regulatory Information
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While interferon (IFN) responses are critical for mammalian antiviral defense, induction of antiviral RNA interference (RNAi) is evident. To date, individual functions of the mammalian RNAi and micro RNA (miRNA) effector proteins Argonautes 1-4 (AGO1-AGO4) during virus infection remain undetermined.
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There is an unmet clinical need for improved tissue and liquid biopsy tools for cancer detection. We investigated the proteomic profile of extracellular vesicles and particles (EVPs) in 426 human samples from tissue explants (TEs), plasma, and other bodily fluids.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 649317-1G | 04061832731476 |
| 674656-5ML | 04061838128768 |
| 674656-25ML | 04061838128751 |
| 457698-25ML | 04061832342375 |
| 457698-5ML | 04061838127907 |
| 649317-10G | 04061832731469 |