Basic Dyestuff


Basic Red 2
Colorants for Ink, Paper, Color Lake, Silk, Acrylic, Wool, Cotton, Wood, Indicator, Electroplating, Textile, etc.

technical support

Product Name: Basic Red 2 (SAFRANIN A; SAFRANIN; SAFRANINE; SAFRANINE A,O,T,Y; SAFRANINE B; SAFRANINE O)
Code: 203002DA
Color index: 50240
CAS No.: 477-73-6
EINECS: 207-518-8
Molecular Formula: C20H19ClN4
Molecular Weight: 350.84
Molecular structure: Xanthene

technical support


Physical and Chemical properties:

TEST ITEMS SPECIFICATION
APPEARANCE DARK GREEN CRYSTAL POWDER
SHADE 0.1% (50% EtOH) CLEAR ORANGE RED WITH FLUORESCENCE
IONICITY CATIONIC
DENSITY 1.05-1.2 g/cm3
pH (at 20°C) 3.0-5.0
LIGHT FASTNESS 1-2
SOAPING (FADING) 2-3
SOAPING (STAIN) 5
PERSPERATION FASTNESS (FADING) 2
ABSORPTION MAXIMUM (50% ETHANO) λ max 530-534 nm

Packing: 25kg bags with pallets/25kg drums/boxes.