Primuline

Description

Yellow, foul-smelling crystalline dye. Primuline was made in 1887 by A.Green. It was the first thiazole type direct dye in which the color was developed by diazotisation after the fiber was dyed. Primuline is also used as a fluorochrome. It has a mean excitation wavelength of 410 nm (violet/blue) and a mean emission wavelength of 550 nm (Wolbers et al., 1990).

Synonyms and Related Terms

primuline O; CI Direct Yellow 59; CI 49000

Physical and Chemical Properties

Soluble in ethanol, ether. Slightly soluble in water.

CAS	8064-60-6

Resources and Citations

• Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990

• A.Scharff, 'Synthetic dyestuffs for textiles and their fastness to washing', ICOM-CC Preprints Lyon, Getty Conservation Institute, Los Angeles, 1999

• Rosalie Rosso King, Textile Identification, Conservation, and Preservation, Noyes Publications, Park Ridge, NJ, 1985

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993