Rhodamine B
C.I. Basic Violet 10(45170)
Basic Dyes
Structural formula:
Molecular formula: C28H31O3N2Cl
Molecular weight: 478.5
Physical and chemical properties:
Appearance is glisten bright green flaky crystal. Soluble in hot water and the solution shows pink. It is leuco precipitate what dissolved in sodium hydroxide solution.
Specification:
Appearance: Bright green glisten uniform powder
Shade: similar to the standard
Strength: 100
Insolubles: ≤0.5%
Fineness: 100% passing through sift of 20mesh
Application: For dyeing of paper, acrylic fibres, silk, leather and feather; Also can be used in food and analytical reagent of some metals.
Packing: In 25kgs net in iron drums lined with plastic bag. |
