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07672

Sigma-Aldrich

N,N-Diethyl-p-phenylenediamine sulfate salt

≥98.0% (T)

Synonym(s):

4-Amino-N,N-diethylaniline sulfate salt

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About This Item

Linear Formula:
(C2H5)2NC6H4NH2 · H2SO4
CAS Number:
6283-63-2
Molecular Weight:
262.33
Beilstein:
4219768
EC Number:
228-500-6
MDL number:
MFCD00012993
UNSPSC Code:
12352100
PubChem Substance ID:
329748503
NACRES:
NA.22
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Quality Level

200

Assay

≥98.0% (T)

form

solid

mp

184-186 °C (lit.)
184-187 °C

functional group

amine

SMILES string

OS(O)(=O)=O.CCN(CC)c1ccc(N)cc1

InChI

1S/C10H16N2.H2O4S/c1-3-12(4-2)10-7-5-9(11)6-8-10;1-5(2,3)4/h5-8H,3-4,11H2,1-2H3;(H2,1,2,3,4)

InChI key

AYLDJQABCMPYEN-UHFFFAOYSA-N

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Application

N,N-Diethyl-p-phenylenediamine sulfate salt has been used to prepare N,N-diethyl-p-phenylenediamine (DPD) solution, which is commonly used as a chromogenic indicator for the determination of free and total chlorine by titrimetric, colorimetric and spectroscopic methods.{50[1]

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF3875V
WXBF4652V
WXBF2525V
WXBF4293V
WXBF3060V

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An improved N, N?-diethyl-p-phenylenediamine (DPD) method for the determination of free chlorine based on multiple wavelength detection.
Moberg L & Karlberg B
Analytica Chimica Acta, 407(1-2), 127-133 (2000)
Improvements in the N, N-diethyl-p-phenylenediamine method for the determination of free and combined residual chlorine through the use of FIA.
Gordon G, et al.
Talanta, 38(2), 145-149 (1991)
Masoumeh Hasani et al.
Journal of hazardous materials, 157(1), 161-169 (2008-02-15)
A multicomponent analysis method based on principal component analysis-artificial neural network models (PC-ANN) is proposed for the determination of phenolic compounds. The method relies on the oxidative coupling of phenols (phenol, 2 chlorophenol, 3-chlorophenol and 4-chlorophenol) to N,N-diethyl-p-phenylenediamine in the
Allergic contact dermatitis in a photographer.
A Aguirre et al.
Contact dermatitis, 27(5), 340-341 (1992-11-01)
Jessica A Kershaw et al.
Analytical and bioanalytical chemistry, 379(4), 707-713 (2004-06-04)
The effect of Cu(II) on the determination of homocysteine via its electrochemically initiated reaction with N, N-diethyl-p-phenylenediamine is examined. The presence of copper inhibited the detection process for homocysteine owing to a complexation reaction occurring. This provided an indirect route
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

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    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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  2. 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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