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
Product Categories:
Mol File:3618-63-1.mol
Mordant Red 7 Structure
Mordant Red 7 Chemical Properties
storage temp. Sealed in dry,Room Temperature
Colour Index 18760
form powder to crystal
color Light yellow to Amber to Dark green
EPA Substance Registry System1-Naphthalenesulfonic acid, 4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-, monosodium salt (3618-63-1)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-37/39
WGK Germany 3
HS Code 2927.00.5000
MSDS Information
ProviderLanguage
SigmaAldrich English
Mordant Red 7 Usage And Synthesis
Preparation4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling.
Properties and Applicationsblue 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
Methylparaben Methyl MORDANTRED Ethyl 2-(Chlorosulfonyl)acetate ACID RED 88 Mordant Red 7 249 ACID RED 249 1-DODECANESULFONIC ACID SODIUM SALT Acid Red 186 Methanol Chromium CI NO 77605 phosphoric acid C.I. 14720 Molasses Dihydromyrcenol BENZENESULFINIC ACID SODIUM SALT Sodium lignosulfonate

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