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409758

Sigma-Aldrich

N,N-Dimethyl-1,4-phenylenediamine oxalate

98%

Synonym(s):

N,N-Dimethyl-p-phenylenediamine hemioxalate salt

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$81.50
25 G
$152.00

$81.50

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5 G
$81.50
25 G
$152.00

About This Item

Linear Formula:
[(CH3)2NC6H4NH2]2·H2C2O4
CAS Number:
62778-12-5
Molecular Weight:
362.42
EC Number:
263-723-2
MDL number:
MFCD00036387
UNSPSC Code:
12352100
PubChem Substance ID:
24865671
NACRES:
NA.22

$81.50

Available to ship onApril 15, 2025Details

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assay

98%

form

powder

mp

205 °C (dec.) (lit.)

functional group

amine
carboxylic acid

SMILES string

OC(=O)C(O)=O.CN(C)c1ccc(N)cc1.CN(C)c2ccc(N)cc2

InChI

1S/2C8H12N2.C2H2O4/c2*1-10(2)8-5-3-7(9)4-6-8;3-1(4)2(5)6/h2*3-6H,9H2,1-2H3;(H,3,4)(H,5,6)

InChI key

MNUINXKPLPIOEF-UHFFFAOYSA-N

Related Categories

Application

N,N-Dimethyl-1,4-phenylenediamine oxalate (N,N-dimethyl-p-phenylenediamine hemioxalate salt, DPD) was used as reagent in a study to evaluate the catalytic effects of elemental sulfur nanoparticles on CrVI reduction.[1] It was also used to study the transformation of trichloroethene (TCE), caused by heating contaminated soil and groundwater samples.[2]

pictograms

Skull and crossbones
GHS06

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Danger

Hazard Classifications

Acute Tox. 2 Oral - Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

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

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX5211
MKCW1120
MKCW5752
MKCW5751
MKCT5174

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On-line electrochemical-mass spectrometry study of the mechanism of oxidation of N, N-dimethyl-p-phenylenediamine in aqueous electrolytes.
Modestov AD, et al.
Journal of Electroanalytical Chemistry, 565(1), 7-19 (2004)
Yeqing Lan et al.
Environmental science & technology, 39(7), 2087-2094 (2005-05-06)
Chromate (CrVI) reduction by sulfide was conducted in anaerobic batch experimental systems. The molar ratio of the reduced CrVI to the oxidized S(-II) was 1:1.5 during the reaction, suggesting that the product of sulfide oxidation was elemental sulfur. Under the
Jed Costanza et al.
Environmental science & technology, 43(3), 909-914 (2009-02-28)
This study explores the transformation of trichloroethene (TCE) caused by heating contaminated soil and groundwater samples obtained from the East Gate Disposal Yard (EGDY) located in Fort Lewis, WA. After field samples transferring into glass ampules and introducing 1.5 micromol
Xiang-yuan Huang et al.
Guang pu xue yu guang pu fen xi = Guang pu, 22(4), 627-630 (2003-08-27)
A new catalytic spectrophotometic method for the determination of trace chromium (VI) is reported in this paper. The method is based on the catalytic action of chromium (VI) on the oxidative coupling of p-Amino-N,N-dimethylaniline dihydrochloride and 1-Amino-8-naphthol-3,6-disulfonic acid to form
Veronica Verde et al.
Free radical research, 36(8), 869-873 (2002-11-08)
Oxidative stress has been clearly implicated in human disease by a growing body of scientific evidences. There is no ideal method for the measurement of this parameter. A possible strategy would be to measure simultaneously several biomarkers representing damage to
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Questions

1–3 of 3 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  3. I would like to ask about the expiration date for n,n-dimethyl-1 4-phenylenediamine oxalate for batch MKCG9443 , it stated that quality release date was on 06 AUG 2018. So , when will be the expiry date ? is it depends on the date we opened the bottle ?

    1 answer

    1. This product does not contain an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one year warranty from the date of shipment. For more information you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.

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