Acid Red 50
Name:C.I.Acid Red 50,C.I.45220
Molecular Structure: Xanthene class
C.I.Acid Red 50,C.I.45220,CAS 5873-16-5,552.6,C25H25N2NaO7S2,Rhodamine G,Brilliant Red G
Molecular Formula:C25H25N2NaO7S2
Molecular Weight: 552.6
CAS Registry Number:5873-16-5
Manufacturing Methods : 4-Formylbenzene-1,3-disulfonic acid and 3-(Ethylamino)-4-methylphenol condensation, the products with sulfuric acid dehydration, again oxidation, and finally into sodium salt.
Properties and Applications: bright yellow peach.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 2 | 3 | 3 | 1-2 | 2-3 | ||
List of Suppliers:
Acid Rhodamine G ( Global Colors Inc. )
Akacid Rhodamine G 400%(Aakash Chemicals & Dyestuffs Inc)
Burconyl Rhodamine G (Classic Dyestuffs Inc)
Daiwa Acid Rhodamine G ( Kaseihin Kogyo Kyokai )
Orco Nylosol Brilliant Red G ( Organic Dyestuffs Corp )
Orcoacid Sulpho Rhodamine G ( Organic Dyestuffs Corp )
Ricoamide Rhodamine G(Classic Dyestuffs Inc)