ChemicalBook Product Catalog Dyes and Pigments dye Disperse dyes Disperse Red 1

Disperse Red 1

Disperse Red 1 Basic information
Product Name:Disperse Red 1
Synonyms:4-Nitro-4’-[N-ethyl-N-(2-hydroxyethyl)-amino]azobenzene;abcolscarletbrn;Acetate Fast Scarlet B;acetatefastscarletb;Acetoquinone Light Scarlet BLZ;acetoquinonelightscarletblz;Amacel Scarlet GB;amacelscarletgb
CAS:2872-52-8
MF:C16H18N4O3
MW:314.34
EINECS:220-704-3
Product Categories:Organics;Dyes and Pigments
Mol File:2872-52-8.mol
Disperse Red 1 Structure
Disperse Red 1 Chemical Properties
Melting point 160-162 °C (lit.)
Boiling point 454.02°C (rough estimate)
density 1.1523 (rough estimate)
refractive index 1.6000 (estimate)
storage temp. Refrigerator
solubility DMSO (Slightly, Sonicated), Methanol (Slightly, Sonicated)
form neat
Colour Index 11110
pka14.55±0.10(Predicted)
color Dark Red to Very Dark Red
Water Solubility 169.7ug/L(25 ºC)
BRN 5353614
CAS DataBase Reference2872-52-8(CAS DataBase Reference)
NIST Chemistry ReferenceEthanol, 2-[ethyl[4-[(4-nitrophenyl)azo]phenyl]amino]-(2872-52-8)
EPA Substance Registry SystemC.I. Disperse Red 1 (2872-52-8)
Safety Information
Hazard Codes Xi
Risk Statements 43
Safety Statements 36/37
WGK Germany 3
RTECS KL0320000
HS Code 32041100
MSDS Information
ProviderLanguage
SigmaAldrich English
Disperse Red 1 Usage And Synthesis
Chemical PropertiesDark red powder
UsesDisperse orange 3 is used as a dye in nylon and polyester; stocking dye.
UsesDisperse Red 1 is an azo disperse dye which is water insoluble. Disperse Red 1 can be used to dye polyester and acetate fibers. Dyes and metabolites, Environmental Testing.
Preparation4-Nitrobenzenamine diazo, and N-ethyl-N-hydroxyethylaniline?coupling
DefinitionChEBI: An azo dye with a structure consisting of nitrobenzene substituted on the 4-position of the phenyl group with a 4-[N-ethyl-N-(2-hydroxyethyl)]phenylazo group.
General DescriptionDisperse Red 1 (DR1) is a non-linear optical (NLO) material which is a chromophore used as an azobenzene dye. It can form a dipole network that can enhance the electro-optic effect of the non-linear components and can also improve the photorefractive effect.
Properties and ApplicationsRed: dark red powder, melting point 160 ℃ : insoluble in water, but soluble in ethanol, acetone and benzene. The strong sulfuric acid for yellow brown, diluted to deep crimson red; In nitric acid solution for red; In strong hydrochloric acid also to red solution; In the thick of sodium hydroxide solution for the red light brown. Used for polyester and their blended fabric dyeing and printing, also applies to acrylic, polyamide, vinegar fiber, three vinegar fiber dyeing. Used in high temperature and high pressure method and polyester dyeing of carrier. Dyeing rate medium, not sensitive to temperature, have good levelness and lifting force. Can also be used for the wool, plastic, fur color.
Standard Ironing Fastness Light Fastness Persperation Fastness Washing Fastness
Fading Stain Fading Stain Fading Stain
ISO 4 3 4-5 5 5 5 5
Disperse Red 1 Preparation Products And Raw materials
Raw materialsN-Ethyl-N-hydroxyethylaniline-->4-Nitroaniline
Disperse Red BRE Disperse machine Reactive Disperse Red GR C.I. Disperse Red 54 press cake DISPERSING AGENTS Disperse Red F3BS C.I. Disperse Red 205 press cake 4-NITRO-2-SULFOANILINE C.I. Disperse Red 17 press cake,Disperse Red C-2R DISPERSE DYES Disperse Red S-FL,C.I. Disperse Red 72 press cake Cefaclor Dispensible Tablet Disperse Red FBS Disperse Red 1 Disperse Red 19, pure Disperse Violet 33 Disperse Brown 1 Disperse Red 2B
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