6994-46-3

Basic information

• Product Name: Solvent Blue 59
• Synonyms: 1,4-bis(ethylamino)-9,10-anthracenedione;1,4-BIS(ETHYLAMINO)-9,10-ANTHRAQUINONE;1,4-Bis(ethylamino)anthraquinone;CI 61525;CI 61552;LABOTEST-BB LT00159773;ATLASOL BLUE 2N;SUDAN BLUE
• CAS NO: 6994-46-3
• Molecular Formula: C₁₈H₁₈N₂O₂
• Molecular Weight: 294.35
• EINECS: 230-263-9
• Product Categories: Solvent Dyestuff
• Mol File: 6994-46-3.mol
• Article Data: 1

Chemical Properties

• Melting Point: 215-217 °C(lit.)
• Boiling Point: 538.6 °C at 760 mmHg
• Flash Point: 203.7 °C
• Appearance: /
• Density: 1.274 g/cm³
• Vapor Pressure: 1.14E-11mmHg at 25°C
• Refractive Index: 1.678
• PKA: 5.74±0.20(Predicted)
• CAS DataBase Reference: Solvent Blue 59(CAS DataBase Reference)
• NIST Chemistry Reference: Solvent Blue 59(6994-46-3)
• EPA Substance Registry System: Solvent Blue 59(6994-46-3)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26
• WGK Germany: 3
• Hazardous Substances Data: 6994-46-3(Hazardous Substances Data)

Usage

Description

Solvent Blue 59 is a brilliant red light blue dye that is used for coloring hydrocarbon solvents, grease, paraffin wax, petroleum products, polystyrene, and paint color. It has a stable melting point and exhibits good light fastness and heat resistance up to 260°C.

Uses

Used in the Chemical Industry:
Solvent Blue 59 is used as a coloring agent for hydrocarbon solvents, grease, paraffin wax, and petroleum products to enhance their appearance and improve their marketability.
Used in the Plastics Industry:
Solvent Blue 59 is used as a pigment in polystyrene to provide color and improve the aesthetic appeal of the final product.
Used in the Paint and Coatings Industry:
Solvent Blue 59 is used as a colorant in paint and coatings to provide a vibrant red light blue shade. Its good light fastness and heat resistance make it suitable for use in various applications, including automotive coatings, architectural coatings, and industrial coatings.
Solvent Blue 59 is also resistant to water, sodium carbonate (5%), and hydrochloric acid (5%), making it suitable for use in various industrial applications where resistance to chemicals and environmental factors is required.

Preparation

(a) 1,4-Dihydroxyanthracene-9,10-dione and Ethanamine (2 Moore) condensation; (b) 1,4-Diamino anthraquinone and Chloroethane or Bromoethane condensation.

Standard

Light Fastness

Melting point

Stable

ISO

Good

InChI:InChI=1/C18H18N2O2/c1-3-19-13-9-10-14(20-4-2)16-15(13)17(21)11-7-5-6-8-12(11)18(16)22/h5-10,19-20H,3-4H2,1-2H3

Upstream product

• 64-67-5 diethyl sulfate 
• 128-95-0 1,4-diamino-9,10-anthraquinone 
• 5327-72-0 1,4-diamino-anthracene-9,10-diol 
• 75-04-7 ethylamine 
• 17648-03-2 9,10-Dihydroxy-2,3-dihydro-anthracene-1,4-dione 
• 557-66-4 ethanamine hydrochloride 
• 540-82-9 ethyl sulfate 

Relevant articles and documents

Phase transfer catalysed N-monoalkylation of amino anthraquinones

1-Alkylaminoanthraquinones (2a-f) and 1,4-bisalkylaminoanthraquinones (4a-c) were prepared from aminoanthraquinones (1,3) by alkylation with alkyl sulphate/alkyl halide in presence of powdered sodium hydroxide, potassium carbonate and phase transfer catalyst.