Solvent Green 7
Name:C.I.Solvent Green 7,C.I.59040
Molecular Structure: Pyrene class
Molecular Formula:C16H7Na3O10S3
Molecular Weight: 524.39
CAS Registry Number:6358-69-6
Manufacturing Methods :commonly known as Pyranine. Pyrene-1,3,6,8-tetrasulfonic acid and 15 ~ 20% sodium hydroxide reflux, also can use ammonia water on hydrolysis reaction, this condition the product contains APTS(8-Aminopyrene-1,3,6-trisulfonic acid ).
Properties and Applications:yellow green. Slightly soluble in glacial acetic acid, 30% hydrochloric acid, insoluble in acetic acid and 10% hydrochloric acid. Mainly used in medicine and cosmetics coloring.
Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | Dissole |
List of Suppliers:
Akasol Pyranine Green (Aakash Chemicals & Dyestuffs Inc)
D&C Green No 8 (90129) ( Anstead International )
Dayglo Solvent Green 7( Day-Glo Color Corp. )
Luminol Yellow 211 ( Sinlai Industries Corp )
Neelink Solvent Green 7 ( Neelikon Food Dyes and Chemicals Ltd )
Pyranin ( Bayer Group )
Pyranine( Kaseihin Kogyo Kyokai )
Pyranine ( Global Colors Inc. )
Pyranine (Simpsons (UK) Ltd)
Pyranine 108( Pylam Products Co. Inc. )
Spectra D&C Green 8( Spectra Colors Corp. )
Spectra Piranine conc( Spectra Colors Corp. )
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