Name:C.I.Basic Red 18,C.I.11085
Molecular Structure: Single azo class
C.I.Basic Red 18,C.I.11085,CAS 14097-03-1,426.34,C19H25Cl2N5O2
Molecular Formula:C19H25Cl2N5O2
Molecular Weight: 426.34
CAS Registry Number:14097-03-1
Manufacturing Methods : 2-Chloro-4-nitrobenzenamine diazo, and 2-(Ethyl(phenyl)amino)-N,N,N-trimethylethanaminiumchloride coupling.
Properties and Applications: dark red. Dark red powder. 60 ℃ in the water solubility of 30 g/L. The strong sulfuric acid to red light yellow, diluted into red. Acrylic dyeing with dark red light in tungsten filament is dark. In 120 ℃ high temperature dyeing, colored light unchanged. The dye solution should not be boiling. Compatibility value of three, the f value is 0.39. Mainly used for spell color dye acrylic, also used for direct printing of acrylic fabric.
Standard | Light Fastness | Persperation Fastness | Ironing Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 6-7 | 4-5 | 5 | 3-4 | 5 | 4-5 | 5 |
AATCC | 6-7 | 5 | 5 | 3 | 5 | 5 | |
Overview
Basic Red 18, also known as C.I. Basic Red 18 or C.I. 11085, is a dye commonly used in various applications. This article provides an in-depth understanding of Basic Red 18, encompassing its chemical properties, manufacturing methods, properties, applications, and standards.
Chemical Characteristics
Molecular Structure
Basic Red 18 belongs to the single azo class of compounds.
Molecular Formula and Weight
- Molecular Formula: C19H25Cl2N5O2
- Molecular Weight: 426.34 g/mol
CAS Registry Number
Basic Red 18 is identified by CAS Registry Number 14097-03-1.
Manufacturing Methods
Basic Red 18 is synthesized through a coupling reaction involving 2-Chloro-4-nitrobenzenamine diazo and 2-(Ethyl(phenyl)amino)-N,N,N-trimethylethanaminium chloride.
Properties and Applications
Physical Properties
- Color: Dark red
- Form: Dark red powder
- Solubility: Soluble in water at 30 g/L at 60 ℃
- Color Change at High Temperatures: Stable up to 120 ℃
- Dyeing Conditions: Dyes acrylic with a dark red light; retains color under high-temperature dyeing
Applications
- Primarily used for dyeing acrylic for color variation
- Also employed in direct printing on acrylic fabric
Standards and Ratings
Basic Red 18 undergoes testing based on various standard parameters related to its fastness and stability.
Light Fastness (ISO and AATCC)
- ISO: 6-7 (Excellent resistance to light fading)
- AATCC: 6-7 (Excellent resistance to light fading)
Perspiration Fastness (AATCC)
- Rating: 5 (Excellent resistance to fading due to perspiration)
Ironing Fastness (AATCC)
- Rating: 5 (Excellent resistance to fading due to ironing)
Soaping Fastness (ISO and AATCC)
- ISO: 3-4 (Good resistance to fading)
- AATCC: 3 (Moderate resistance to fading)
Stain Fastness (ISO and AATCC)
- ISO: 4-5 (Good resistance to staining)
- AATCC: 5 (Excellent resistance to staining)
Conclusion
Basic Red 18 (C.I. Basic Red 18, CAS 14097-03-1) is a dark red dye belonging to the azo class. It possesses excellent light, perspiration, ironing, and stain fastness properties. Its applications primarily revolve around dyeing acrylic and direct printing on acrylic fabrics. Understanding its molecular structure, manufacturing methods, properties, and standards is crucial for the effective utilization of this dye in various industrial processes
