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D4139

Sigma-Aldrich

N,N-Dimethyl-p-phenylenediamine dihydrochloride

suitable for peroxidase test, ≥99.0% (titration)

Synonym(s):
4-Amino-N,N-dimethylaniline dihydrochloride, DMPD · 2HCl, DMPPDA · 2HCl
Linear Formula:
(CH3)2NC6H4NH2 · 2HCl
CAS Number:
Molecular Weight:
209.12
Beilstein:
3913463
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

Quality Level

assay

≥99.0% (titration)

form

powder

mp

222 °C (dec.) (lit.)

solubility

water: 50 mg/mL, clear

suitability

suitable for peroxidase test

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Cl[H].Cl[H].CN(C)c1ccc(N)cc1

InChI

1S/C8H12N2.2ClH/c1-10(2)8-5-3-7(9)4-6-8;;/h3-6H,9H2,1-2H3;2*1H

InChI key

IAEDWDXMFDKWFU-UHFFFAOYSA-N

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Application

N,N-Dimethyl-p-phenylenediamine dihydrochloride (DMPD) has been used in the HID-AB (high iron diamine-alcian blue) staining of intestinal tract samples.

Packaging

10, 25, 100 g in glass bottle

Biochem/physiol Actions

N,N-Dimethyl-p-phenylenediamine dihydrochloride (DMPD) is used for the determination of peroxidase. DMPD is converted into a red pigment of semiquinone nature. It is also used in the HID-AB (high iron diamine-alcian blue) staining procedures, which are used to differentiate between sialomucin and sulfomucin in the gastrointestinal tract.

Caution

Darkens readily when exposed to air.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral

Storage Class Code

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

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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