Acid Red A
-
- Category :
Dyestuffs and Pigments/Acid Dyes
- CAS NO : 1658-56-6
- EC NO : 216-760-3
- Molecular Formula : C20H13N2NaO4S
- Main Specifications :
- Synonyms : C.I. 15620;C.I. Acid Red 88;C.I. Acid Red 88, monosodium salt;Acid red 88;4-(2-Hydroxy-1-naphthylazo)-1-naphthalenesulfonic acid,sodium salt;Acid Red 88;Acid Red 88 (C.I.);sodium 4(-2-hydroxy-1-naphthylazo)naphthalenesulphonate;Acid Red 88 (15620);Acid Red A;C.I.Acid Red 88;sodium 4-[(2E)-2-(2-oxonaphthalen-1(2H)-ylidene)hydrazino]naphthalene-1-sulfonate;4-[2-(2-oxonaphthalen-1(2H)-ylidene)hydrazino]naphthalene-1-sulfonate;sodium 4-[(E)-(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate;
Molecular Structure:
Product description:
Name:C.I.Acid Red 88,C.I.15620
Molecular Structure: Single azo class
C.I.Acid Red 88,C.I.15620,CAS 1658-56-6,400.38,C20H13N2NaO4S,Acid Red A,Acid Fast Red A,Acid Red G
Molecular Formula:C20H13N2NaO4S
Molecular Weight: 400.38
CAS Registry Number:1658-56-6
Properties and Applications: red. Deep red powder. Slightly soluble in acetone, soluble in ethanol, water and soluble fiber element (red). Meet strong sulfuric acid is blue purple, diluted was yellow brown precipitation; Meet nitric acid slightly soluble (red light yellow); Sodium hydroxide solution in a rare red brown, dark and precipitation. In dyeing copper and iron ion colour and lustre is dark. Discharge the gender is good. Also suitable for leather shading.
Standard
Light Fastness
Soaping
Persperation Fastness
Oxygen bleaching
Fastness to seawater
Fading
Stain
Fading
Stain
Fading
Stain
ISO
2-3
1
1
3
1
1
3
1
AATCC
4
1
1
3
1
1
2
2
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