Mordant Red 7
Mordant Red 7 Basic information
- Product Name:
- Mordant Red 7
- Synonyms:
-
- SUPERCHROME RED ECB
- ERIOCHROME RED B
- CI NO 18760
- CHROME FAST RED B
- CI 18760
- 1-Naphthalenesulfonicacid,4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-,monosodiumsalt
- Eriochromered
- Acid Chrome Bordeaux BN
- CAS:
- 3618-63-1
- MF:
- C20H17N4NaO5S
- MW:
- 448.43
- EINECS:
- 222-811-0
- Mol File:
- 3618-63-1.mol
Mordant Red 7 Chemical Properties
- storage temp.
- Sealed in dry,Room Temperature
- form
- powder to crystal
- Colour Index
- 18760
- color
- Light yellow to Amber to Dark green
- EPA Substance Registry System
- 1-Naphthalenesulfonic acid, 4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-, monosodium salt (3618-63-1)
MSDS
- Language:English Provider:SigmaAldrich
Mordant Red 7 Usage And Synthesis
Chemical Properties
Bluish red powder. Soluble in water, slightly soluble in ethanol and acetone. Its aqueous solution is yellowish to brownish red, plus dilute sulfuric acid turns reddish orange; plus concentrated caustic soda turns brilliant red. In concentrated sulfuric acid is rose red, diluted to orange; in concentrated nitric acid color disappears. Dyeing with copper, iron, color and light change.
Preparation
4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling.
Properties and Applications
blue light red. Blue light red powder. Soluble in water for yellow to brown light red, slightly soluble in ethanol and Acetone, insoluble in other organic solvent. In concentrated sulfuric acid for magenta, dilution after orange; In concentrated nitric acid for orange solution. Dye aqueous solution and 10% sulfuric acid as red orange; With strong caustic a cheery red or bright red. Used for wool fabric dyeing, dyeing scattered hair, tops, blankets and wool fabric, also can be dyed silk, polyamide fiber and its blended fabric. Can be in wool and silk fabric direct printing.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 3 | 5 | 4-5 | 4-5 | 5 | 5 | 5 |
| AATCC | 4-5 | 5 | 5 | 4 | 5 | 5 | |
Mordant Red 7 Preparation Products And Raw materials
Raw materials
Mordant Red 7Supplier
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Mordant Red 7(3618-63-1)Related Product Information
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- CI NO 77605
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- C.I. 14720
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- Acid chrome blue K