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DEHA ANHYDROUS is an agent preventing fouling of columns by polymers in distillation systems of monomers (styrene, butadiene). Developer in color and x-ray photography. Color stabilizing product in fuels during storage. Antioxidant for PVC and silicones.

Chemical Name: N,N-Diethylhydroxylamine

Functions: Anti-Fouling Agent, Stabilizer

CAS Number: 3710-84-7

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Identification & Functionality

Base Chemicals Functions
Industrial Additives Functions
Molecular formula
(C₂H5)₂NOH
CAS No.
3710-84-7
Chemical Name

N,N-Diethylhydroxylamine

Features & Benefits

Applications & Uses

Application
  • Antioxidant and polymerization stopper for the production of styrene-butadiene and acrylonitrile rubbers.
  • For the distillation systems of large-tonnage monomers (eg styrene, butadiene), as a measure preventing the columns from fouling up by polymers, the so-called popcorn.
  • Active agent protecting against corrosion and scale deposits in heating systems and as an effective oxygen reducer from water in the power industry.
  • A fast-working developer in color and X-ray photography.
  • Preparation passivating medium and heavy fuels in refineries prior to oxidation during storage.

Properties

Physical Form
Appearance
Colourless liquid (20°C)
Typical Properties
ValueUnitsTest Method / Conditions
Molecular Weight89.1g/mol
Vapour pressure (25°C)6.7hPa
Solubility in Water (20°C)35 - 85%
Initial Boiling Point (760mm Hg (decomposition))133.0°C
Flash Point50.0°C
Freezing Point-6.0°C
Density (20°C)0.865 - 0.875g/cm³
Specifications
ValueUnitsTest Method / Conditions
DEHA contentmin. 99.0wt.%DJCHEM-201/00 (Titration), DJCHEM-203/04 (GC)
DEA Contentmax. 0.1wt.%DJCHEM-203/04 (GC)
Water Contentmax. 1.0wt.%DJCHEM-201/00 (Titration)
Phase separation volume (<20°C)0.0%Visual
Color30.0DJCHEM-204/04; ISO 6271: 1997, APHA

Regulatory & Compliance

Certifications & Compliance