CAS 2734-52-3 Disperse red 19 - Materials / Alfa Chemistry

NAVIGATION

Disperse red 19

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Catalog Number

ACM2734523

CAS Number

2734-52-3

Product Name

Disperse red 19

Structure

Category

Other Materials

Synonyms

2,2'-[[4-[(4-nitrophenyl)azo]phenyl]imino]bis-ethano;CI 11130;DISPERSE RED 19;disperse red 19 (C.I. 11130);2,2-[[4-[(4-nitrophenyl)azo]phenyl]imino]bisethanol;Disperse Red 19, pure;Ethanol, 2,2-[[4-[(4-nitrophenyl)azo]phenyl]imino]bis-;2,2-(4-Nitroazobenz

IUPAC Name

2-[N-(2-hydroxyethyl)-4-[(4-nitrophenyl)diazenyl]anilino]ethanol

Molecular Weight

330.34g/mol

Molecular Formula

C16H18N4O4

Canonical SMILES

C1=CC(=CC=C1N=NC2=CC=C(C=C2)[N+](=O)[O-])N(CCO)CCO

InChI

InChI=1S/C16H18N4O4/c21-11-9-19(10-12-22)15-5-1-13(2-6-15)17-18-14-3-7-16(8-4-14)20(23)24/h1-8,21-22H,9-12H2

InChI Key

GHDZRIQTRDZCMV-UHFFFAOYSA-N

Application

Disperse Red 19 is a versatile compound that serves multiple purposes in various applications. Primarily appearing as a dark purple to dark red-brown crystalline powder, this substance can be integrated as red side groups in nonlinear optical (NLO) polyesters, indicating its potential use in optical switching devices. Additionally, its ability to bond with polyurethane to create stable films highlights its suitability for developing analog systems. Known for its yellow-red hue in powdered form, Disperse Red 19 dissolves well in solvents like ethanol, acetone, and benzene. Its color properties change under different acid conditions, appearing yellow with strong sulfuric acid, brown when diluted, and shifting from red to brown with strong hydrochloric acid. This dye is extensively used for coloring various fabrics, including polyester, acetate fibers, triacetate fibers, polyamide, acrylic, and blends thereof. Moreover, it finds application in shading wool and plastics, where it imparts a yellow light red hue. The product demonstrates robust fastness properties as per ISO standards, showing commendable performance in ironing, light exposure, perspiration, and washing, with ratings up to 5 for stain resistance and fading prevention.

Complexity

393

Covalently-Bonded Unit Count

EC Number

220-354-1

Exact Mass

330.132805g/mol

Formal Charge

Heavy Atom Count

Monoisotopic Mass

330.132805g/mol

NSC Number