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N,N-Dimethyl-p-phenylenediamine dihydrochloride

suitable for microbiology, ≥99.0%

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Synonym(s):
4-Amino-N,N-dimethylaniline dihydrochloride, DMPD · 2HCl, DMPPDA · 2HCl
Linear Formula:
(CH3)2NC6H4NH2 · 2HCl
CAS Number:
536-46-9
Molecular Weight:
209.12
Beilstein/REAXYS Number:
3913463
EC Number:
208-635-7
MDL number:
MFCD00012991
UNSPSC Code:
41171621
PubChem Substance ID:
329748518
NACRES:
NA.85

Quality Level

200

assay

≥99.0% (AT)
≥99.0%

form

powder

loss

≤0.05% loss on ignition

mp

210-215 °C (dec.)
222 °C (dec.) (lit.)

cation traces

Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤500 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

application(s)

food and beverages
microbiology

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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General description

N,N-Dimethyl-p-phenylenediamine dihydrochloride is an azoreduction product of acid orange 52 (AO52). It is useful in the oxidase test which differentiates bacteria based on their ability to utilise the dye.

Application

N,N-Dimethyl-p-phenylenediamine dihydrochloride has been used to determine the plasma oxidant capacity in terms of plasma ferric equivalent oxidative potential (PFEOP).

Caution

May discolor to red on storage.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

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

wgk_germany

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Certificates of Analysis (COA)

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Journal of bacteriology, 183(3), 854-864 (2001-02-24)
We isolated a Tn5-induced Rhizobium tropici mutant that has enhanced capacity to oxidize N,N-dimethyl-p-phenylendiamine (DMPD) and therefore has enhanced respiration via cytochrome oxidase. The mutant had increased levels of the cytochromes c(1) and CycM and a small increase in the
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