Direct Yellow 59
Name:C.I.Direct Yellow 59,C.I.49000
Molecular Structure: thiazole class

C.I.Direct Yellow 59,C.I.49000,CAS 8064-60-6/10360-31-3/5885-97-0,475.54/608.71,C21H14N3NaO3S3/C28H17N4NaO3S4,Cassulfon Olive BBN
Molecular Formula:C21H14N3NaO3S3/C28H17N4NaO3S4
Molecular Weight: 475.54/608.71
CAS Registry Number:8064-60-6/10360-31-3/5885-97-0
Manufacturing Methods : 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 | |||
List of Suppliers:
Cassulfon Olive BBN( Cassella AG )
