CAS 1934-24-3
:Mordant Red 19
Description:
Mordant Red 19, also known as Acid Red 18, is an organic dye belonging to the azo dye class, characterized by its vivid red color. It is commonly used in various applications, including textile dyeing, paper, and leather industries, due to its excellent colorfastness and affinity for protein fibers. The chemical structure of Mordant Red 19 features azo (-N=N-) linkages, which are responsible for its chromophoric properties. This dye is typically soluble in water, making it suitable for aqueous dyeing processes. However, it may require mordants, such as aluminum or chromium salts, to enhance its binding to certain substrates. Mordant Red 19 is also noted for its potential environmental and health concerns, as some azo dyes can release carcinogenic amines upon degradation. Therefore, its use is regulated in many regions to mitigate risks associated with exposure and environmental impact. Overall, Mordant Red 19 is a significant dye in industrial applications, but its safety and environmental implications necessitate careful handling and regulation.
Formula:C16H13ClN4O5S·Na
InChI:InChI=1S/C16H13ClN4O5S.Na/c1-9-14(16(23)21(20-9)11-5-3-2-4-6-11)19-18-12-7-10(17)8-13(15(12)22)27(24,25)26;/h2-8,14,22H,1H3,(H,24,25,26);
InChI key:InChIKey=ADFJPXWUFGDPEI-UHFFFAOYSA-N
SMILES:O=C1N(N=C(C)C1N=NC2=C(O)C(S(=O)(=O)O)=CC(Cl)=C2)C3=CC=CC=C3.[Na]
Synonyms:- C.I. Mordant Red 19
- C.I. 18735
- Benzenesulfonic acid, 5-chloro-3-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2-hydroxy-, sodium salt (1:1)
- Benzenesulfonic acid, 5-chloro-3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-, monosodium salt
- C.I. Mordant Red 19, monosodium salt
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Mordant red 19
CAS:<p>Mordant red 19 is an azo dye.</p>Formula:C16H13ClN4NaO5SColor and Shape:Red PowderMolecular weight:431.8
