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HomeProduct name listPRIMULINE

PRIMULINE

Synonym(s):Direct Yellow 59;Primuline Yellow

  • CAS NO.:8064-60-6
  • Empirical Formula: C21H14N3NaO3S3
  • Molecular Weight: 475.54
  • MDL number: MFCD00005798
  • EINECS: 617-138-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-06-08 17:06:35
PRIMULINE Structural

What is PRIMULINE?

What are the applications of Application

Primulin is a fluorescent dye containing the benzothiazole ring system

Preparation

p-Methylaniline (2 Moore) and sulfur (4.5 atomic ratio) in 200 ~ 280 ℃ heat, with hair smoke from the sulphonated sulfuric acid alkali primrose spirit.

Properties and Applications

green light yellow. Soluble in water for light yellow, with a light blue fluorescence. The strong sulfuric acid for light yellow, a green fluorescent, after diluted orange yellow precipitation. The dye solution to join strong hydrochloric acid has golden precipitation; Add thick sodium hydroxide solution for orange brown precipitation. Used for the cellulose fibre, silk dyeing, leather and biological shading. Silk dyeing in acetic acid bath, dyeing copper and iron ion in colored light basic unchanged.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4-5 1 2 3
AATCC 4 1-2 2 4

Properties of PRIMULINE

Melting point: >300°C
Colour Index  49000
form  Powder
color  Yellow-brown

Safety information for PRIMULINE

Computed Descriptors for PRIMULINE

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