CHLORANTINE FAST RED 5B
Synonym(s):Disodium 7-benzamido-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate;DR 81
- CAS NO.:2610-11-9
- Empirical Formula: C29H19N5Na2O8S2
- Molecular Weight: 675.6
- MDL number: MFCD00003949
- EINECS: 220-028-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-04 15:13:09
What is CHLORANTINE FAST RED 5B?
The Uses of CHLORANTINE FAST RED 5B
Chlorantine Fast Red 5B is a direct dye used in cosmetics, hair dyes and in the textile industry as a colourant.
Definition
ChEBI: An organic sodium salt resulting from the formal condensation of Sirius red 4B (acid form) with two equivalents of sodium hydroxide. Used as the plasma stain in some trichrome staining methods.
Preparation
4-((4-Aminophenyl)diazenyl)benzenesulfonic acid?diazo, and 7-Benzamido-4-hydroxynaphthalene-2-sulfonic acid coupling.
Flammability and Explosibility
Non flammable
Biochem/physiol Actions
Bacterial consortium NBNJ6 has an ability to decolorize direct red 81 (DR81).
Properties and Applications
red. Red powder. Soluble in water for product red, soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid dyes for dark blue, shallow orange brown after diluted precipitation; In nitric acid solution for colourful blue, to red light brown. The dye solution to join strong hydrochloric acid for yellow olive brown precipitation; Add thick sodium hydroxide solution has the purple precipitation. 60 ℃ in the solubility of 40 g/L, not sensitive to that fights. For colourful red light. Copper ions in dyeing color slightly turn blue, encounter iron ion colored light basic unchanged. For A class SDC classification. To dead cotton cover the gender is poorer. Cotton neutral and alkaline white are level 5, viscose and minus sex of neutral white for 4 ~ 5 levels. Used for dyeing cotton and viscose, also can be used for paper color.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4 | 3 | 4 | 1-2 | 1 | ||
AATCC | 4 | 3-4 | 4-5 | 1 | 1 |
Properties of CHLORANTINE FAST RED 5B
Melting point: | 240°C (dec.) (lit.) |
Density | 1.507[at 20℃] |
vapor pressure | 0Pa at 25℃ |
Colour Index | 28160 |
Water Solubility | 4.71g/L at 20℃ |
EPA Substance Registry System | C.I. Direct Red 81 disodium salt (2610-11-9) |
Safety information for CHLORANTINE FAST RED 5B
Computed Descriptors for CHLORANTINE FAST RED 5B
Abamectin manufacturer
MaheshRaj Chemicals Pvt Ltd
Hina DyeChem Industries
Arbuda Plastochem Pvt. Ltd
Parshwanath Group of Indusries
Rikin Industries
Shidimo Interaux Private Limited
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