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Catalog Number:
42507
CAS Number:
2610-11-9
Rouge direct 81
Purity:
≥ 50 % (teneur en colorant)
Synonym(s):
7-benzamido-4-hydroxy-3-[[4-[(4-sulfonatophényl)azo]phényl]azo]naphtalène-2-sulfonate de disodium, DR 81
Documents
$95.00 /25G
Taille
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Product Information

Hématologie : adaptée, histologie : adaptée

Synonyms
7-benzamido-4-hydroxy-3-[[4-[(4-sulfonatophényl)azo]phényl]azo]naphtalène-2-sulfonate de disodium, DR 81
CAS Number
2610-11-9
Purity
≥ 50 % (teneur en colorant)
Molecular Formula
C29H19N5Na2O8S2
Molecular Weight
675.6
MDL Number
MFCD00003949
PubChem ID
17462
Melting Point
240 °C (déc.)
Appearance
Poudre brun foncé à rouge
Conditions
Magasin chez RT
General Information
Synonyms
7-benzamido-4-hydroxy-3-[[4-[(4-sulfonatophényl)azo]phényl]azo]naphtalène-2-sulfonate de disodium, DR 81
CAS Number
2610-11-9
Purity
≥ 50 % (teneur en colorant)
Molecular Formula
C29H19N5Na2O8S2
Molecular Weight
675.6
MDL Number
MFCD00003949
PubChem ID
17462
Melting Point
240 °C (déc.)
Appearance
Poudre brun foncé à rouge
Conditions
Magasin chez RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
Non
Antibiotic
Non
DEA-regulated
Non
Warnings
-
Applications

Direct red 81 is widely utilized in research focused on:

  • Dyeing Textiles: This chemical is commonly used in the textile industry for dyeing fabrics, providing vibrant red colors that are both appealing and durable.
  • Biological Staining: In laboratories, it serves as a vital stain for biological samples, helping researchers visualize cellular structures under a microscope.
  • Food Coloring: Direct red 81 is approved for use as a food colorant, enhancing the visual appeal of various food products while adhering to safety regulations.
  • Cosmetic Applications: The compound is also found in cosmetic formulations, where it adds color to products like lipsticks and blushes, ensuring they meet consumer expectations for aesthetics.
  • Research in Environmental Studies: It is used in environmental research to trace water pollution, helping scientists assess the impact of dyes on aquatic ecosystems.

Citations