Basic Rhodamine B

Description
Molecular Formula:
C28H31N2O3Cl
Cas No:
81-88-9
Molecular Weight:
479.02
H.S. Code:
32041300
Appearance:
Green crystal or red purple powder
Strength:
100%
Shade tone:
To the similar standard of the factory
Insuluble%:
0.25Max
Moisture%:
0.8Max
Properties:
It is very soluble in water and alcohol
Applications:
Basic dyes are salts of the colored organic bases containing amino and imino
groups and also combined with acolorless acid, such as hydrochloric or sulfuric.
They are brilliant and most fluorescent among all synthetic dyes but have poor light
and wash fastness. Cotton dyes having higher fastness properties replace in
dyeing cotton for them. Basic dyes are cationic which has positive electrical charge
and are used for anionic fabrics which are negative-charge-bearing, such as wool,
silk, nylon, and acrylics where bright dying is the prime consideration.
Use:
Dyeing Acrylic, Paper, Moisquito Coils,Leather, Silk, and can be used to for
Paint and drawing.
Packages:
25kgs Iron Drums ,Cartons or Bags,
Storage
The product must be stored in shade, dry &well-ventilated warehouse.
Avoid to be contacted with oxidizing chemicals and
combustible organic substances. Keep it away from direct sunlight, heat,
Specifications
Testing Items
Standard Indicator
Testing Result
Shade
Similar to standard
Similar to standard
Color Strength%
100±3
100
Insolubles %
≤0.5
0.4
Solubility
60¡æ ≥8 g/L
10 g/L
Conclusion
Qualified