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HomeProduct name listDirect Red 16

Direct Red 16

  • CAS NO.:6227-02-7
  • Empirical Formula: C26H20N5NaO8S2
  • Molecular Weight: 617.58
  • MDL number: MFCD00071860
  • EINECS: 228-323-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2025-04-17 18:22:24
Direct Red  16 Structural

What is Direct Red 16?

Preparation

aniline diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupled its product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Flammability and Explosibility

Non flammable

Properties and Applications

red. Soluble in water for product red, slightly soluble in ethanol peach pink, insoluble in other organic solvents. The strong sulfuric acid for blue, red to orange diluted to brown, and a red precipitate.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 3-4 2 1-2 1
AATCC 4 3 1-2 1 1

Properties of Direct Red 16

Boiling point: 1099.06℃[at 101 325 Pa]
Density  1.683[at 20℃]
vapor pressure  0Pa at 25℃
Water Solubility  3.93g/L at 20℃
EPA Substance Registry System C.I. Direct Red 16, disodium salt (6227-02-7)

Safety information for Direct Red 16

Computed Descriptors for Direct Red 16

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