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o-Phenylenediamine dihydrochloride

o-Phenylenediamine dihydrochloride chemical structure
CAS Number615-28-1
FormulaC6H4(NH2)2·2HCl
Mol. Weight181.06 g/mol

What is o-Phenylenediamine dihydrochloride?

o-Phenylenediamine dihydrochloride is a chemical compound with CAS number 615-28-1 and molecular formula C6H4(NH2)2·2HCl. It is used in various industrial and research applications.

Applications

o-Phenylenediamine is a peroxidase substrate suitable for use in ELISA procedures. The substrate produces a soluble end product that is orange-brown in color and can be read spectrophotometrically at 450 nm. The OPD reaction may be stopped with 3 N HCl or 3 M H2SO4 and read at 492 nm.

Specifications

Linear Formula

C6H4(NH2)2·2HCl

Molecular Weight

181.06 g/mol

Assay/Purity

≥99.0% (AT)

Safety Information

GHS06GHS06
GHS08GHS08
GHS09GHS09
Signal Word

Danger

Hazard Statements

H301-H312-H317-H319-H332-H341-H351-H410

Precautionary Statements

P273-P280-P301 + P310-P305 + P351 + P338-P501

Required PPE

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Melting Point

258 °C (dec.)(lit.)

EC Number

210-418-7

WGK Germany

3

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