CymitQuimica logo

CAS 10343-58-5

:

C.I. Acid Yellow 99

Description:
C.I. Acid Yellow 99, with the CAS number 10343-58-5, is a synthetic azo dye commonly used in various applications, including textiles, food, and cosmetics. This dye is characterized by its bright yellow color and is soluble in water, making it suitable for dyeing processes that require aqueous solutions. The chemical structure of Acid Yellow 99 features an azo group (-N=N-), which is a common functional group in many dyes, contributing to their vibrant colors. It exhibits good lightfastness and stability under normal conditions, although its performance can vary depending on the substrate and environmental factors. As with many azo dyes, there are concerns regarding potential toxicity and environmental impact, leading to regulations in certain applications. Acid Yellow 99 is typically used in acidic dyeing processes, and its application requires careful handling to ensure safety and compliance with relevant guidelines. Overall, it is valued for its color properties and versatility in various industries.
Formula:C16H12CrN4O9S·Na
InChI:InChI=1S/C16H13N4O8S.Cr.Na.H2O/c1-9(21)14(16(23)17-10-5-3-2-4-6-10)19-18-12-7-11(20(24)25)8-13(15(12)22)29(26,27)28;;;/h2-8,22H,1H3,(H,17,23)(H,26,27,28);;;1H2/q-1;+3;+1;/p-3
InChI key:InChIKey=WFGIZKYFRZUFEE-UHFFFAOYSA-K
SMILES:S(=O)(=O)([O-])C1=C2C([N]=3[Cr+3]([OH-])([O-]2)O=C(C)[C-](C(NC4=CC=CC=C4)=O)N3)=CC(N(=O)=O)=C1.[Na+]
Synonyms:
  • Acid Yellow 99 (13900)
  • Acid Yellow GR
  • Acid Yellow RA
  • Aizen Opal Yellow GRH
  • Alfast Yellow 5101
  • Alfast Yellow SW 5101
  • Amalan Yellow GRL
  • Ambilan Yellow GR
  • Benzenesulfonic acid, 2-hydroxy-5-nitro-3-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]-, chromium complex
  • Bucolan Yellow GR
  • See more synonyms
Sort by

Purity (%)
0
100
|
0
|
50
|
90
|
95
|
100
Found 2 products.
  • C.I. 13900

    CAS:
    <p>C.I. 13900: Yellow powder dye, turns brown in concentrated/diluted sulfuric acid. Used on wool, silk, nylon, leather, and for direct printing.</p>
    Formula:C16H12CrN4NaO9S
    Purity:98%
    Color and Shape:Dark Yellow To Brown Fine Powder
    Molecular weight:511.34
  • Acid Yellow 99 (C.I. 13900)

    CAS:
    Formula:C16H15CrN4NaO8S
    Color and Shape:Yellow to brown or orange-red powder
    Molecular weight:496.35

    Ref: 7W-GT0748

    10g
    62.00€
    25g
    106.00€
    100g
    282.00€