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Merck

07770

N,N-Dimethyl-p-phenylenediamine dihydrochloride

suitable for microbiology, ≥99.0%

Synonym(s):

4-Amino-N,N-dimethylaniline dihydrochloride, DMPD · 2HCl, DMPPDA · 2HCl

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About This Item

Linear Formula:
(CH3)2NC6H4NH2 · 2HCl
CAS Number:
Molecular Weight:
209.12
UNSPSC Code:
41171621
NACRES:
NA.85
PubChem Substance ID:
EC Number:
208-635-7
Beilstein/REAXYS Number:
3913463
MDL number:
Technical Service
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Quality Segment

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

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).

Disclaimer

May discolor to red on storage.


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Danger

Hazard Classifications

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

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

ppe

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



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