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4,4′-Diaminodiphenylmethane

SIAL/31640 - analytical standard

Synonym: DAPM; 4,4′-Methylenedianiline; MDA

CAS Number: 101-77-9
Empirical Formula (Hill Notation): C13H14N2
Molecular Weight: 198.26
EC Number: 202-974-4
MDL Number: MFCD00007914
Linear Formula: C13H14N2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-31640-250MG 250 mg
 $125.00
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application(s) cleaning products
cosmetics
food and beverages
personal care
format neat
grade analytical standard
InChI 1S/C13H14N2/c14-12-5-1-10(2-6-12)9-11-3-7-13(15)8-4-11/h1-8H,9,14-15H2
InChI key YBRVSVVVWCFQMG-UHFFFAOYSA-N
mp 88-92 °C
Quality Level 100 
shelf life limited shelf life, expiry date on the label
SMILES string Nc1ccc(Cc2ccc(N)cc2)cc1
technique(s) gas chromatography (GC): suitable
  HPLC: suitable
Application: 4,4′-Diaminodiphenylmethane is used as an analytical reference standard for the quantification of the analyte in the following:
• Urine samples using gas-chromatography coupled to mass spectrometry (GC-MS).
• Hepatic microsomal incubation mixture from rabbits using high-performance liquid chromatography-plasma spray mass spectrometry (HPLC-PSP-MS), offline HPLC with fast atom bombardment mass spectrometry (FAB-MS) and fast atom bombardment tandem mass spectrometry (FAB-MS/MS).

It is reported to be used in the synthesis of amino modified multi-walled carbon nanotubes/polydimethylsiloxane, which serves as a coating for the stir bar sorptive extraction (SBSE) of phenols in environmental samples, followed by analysis using high performance liquid chromatography with ultraviolet detection (HPLC-UV).
Application: Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
General description: 4,4′-Diaminodiphenylmethane (MDA) is an aromatic diamine, which finds industrial applications as a precursor in the manufacturing of polyurethane products, isocyanates, polyisocyanates, etc. It is also used as a hardener in the production of epoxy resins and elastomers.
General description: 4,4′-Diaminodiphenylmethane is a curing agent for epoxy resins. It is prepared from formaldehyde aniline when heated with aniline hydrochloride and aniline.
General description: This compound is listed in the SVHC (Substances of very high concern) candidate list  of ECHA (European Chemicals Agency)
mp 88-92 °C
UNSPSC 41116107

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