Tristains products are exclusively distributed by Dawn Scientific | Please visit www.dawnscientific.com to place your order.
  • Find SDS & COA
  • APPLICATION
    • Hematology Stains
    • Staining – Histology / Cytology
    • Eosins & Hematoxylins
Tristains products are exclusively distributed by Dawn Scientific | Please visit www.dawnscientific.com to place your order.
TriStains logo for laboratory chemical solutions, ready-to-use stains, and solvents for research and testing
  • Quick Reagents
  • Histological stains
    • Dry Stains & Dyes
    • Stain Solution
  • Indicators
    • Indicator Solid
    • Indicator Solution
  • Solutions
  • Solvents
  • Contact us
  • Become Distributor
Menu
TriStains logo for laboratory chemical solutions, ready-to-use stains, and solvents for research and testing
Alizarin Yellow R
Click to enlarge
Tristains

S10018

Alizarin Yellow R

CAS No
2243-76-7
Synonym(s)
Alizarin Yellow R, 5-(4-Nitrophenylazo)salicylic acid
Molecular Formula:
C13H9N3O5
Molecular Weight:
287.23
EC Number:
218-818-3
Colour Index Number:
14030
PubChem CID:
15588
MDL number:
MFCD00007313
Specification SDS Available pack size: 100g, 25g
Share:
  • Description
  • Additional information
  • Reviews (0)
  • TECHNICAL INFORMATION
Description

Alizarin Yellow R CAS: 2243-76-7 | MF: O2NC6H4N=NC6H3-2-(OH)CO2H | MW: 287.23, Buy now Histological Stains & Dyes for Histology, Cytology, Microbiology, Hematology & Biology Lab from TriStains. All Tristains products are exclusively distributed by Dawn Scientific Inc.

Alizarine Yellow R is a reddish orange to yellow colored powder. It is an azo dye made by the diazo coupling reaction. It is usually commercially available as a sodium salt. In its pure form, it is a rust-colored solid. It is also known as Mordant Orange 1; Alizarin Yellow R Sodium Salt; 5-(p-Nitrophenylazo)Salicylic Acid Sodium Salt; Sodium p-Nitrobenzeneazosalicylate. It is soluble in water and in ethanol. Its chemical formula is C13H9N3O5.

TriStains provides a marketplace for histology and biological stains, which is comprehensive enough to encompass the peculiar requirements of laboratories specializing in Histology, Cytology, Microbiology, and Hematology. With a reputation for exceeding quality expectations, TriStains performance is outstanding which allows for resolution of cell and tissue components fundamental to life sciences to be clearly visualized. Each product under TriStains series is validated for accuracy, reliability and consistency. TriStains, which manufactures and markets stains and indicators in various packing, offers laboratories turn key solutions for all their staining and indicator needs, improving accuracy in every experiment.

Application :

  • Alizarin Yellow R is used for coloring many different materials such as textile, leather, plastics and for manufacturing paints and lacquers and for printings purposes.
  • In microbiology it is a useful acid-base indicator for nutrient media.
  • It is mainly used as a pH indicator.

Benefits :

  • Azo dye used as a pH indicator
  • Gives reliable results
Additional information
Brand

Tristains

Size

100g, 25g

CAS No

2243-76-7

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “Alizarin Yellow R” Cancel reply

Your email address will not be published. Required fields are marked *


The reCAPTCHA verification period has expired. Please reload the page.

TECHNICAL INFORMATION
Alternate Names 2-hydroxy-5-[(4-nitrophenyl)diazenyl]benzoic acid; 5-(4-Nitrophenylazo)salicylic acid; Alizarin Yellow R
Application Mordant orange 1 is an azoe dye used to detect aromatic amines
CAS Number 2243-76-7
Molecular Weight 287.23
Molecular Formula: C13H9N3O5

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).

Mordant orange 1 is an azoe dye used to detect aromatic amines. Mordant orange 1 has an absorption λ max of 385nm.

TECHNICAL INFORMATION

Physical State Solid
Storage Store at room temperature
Melting Point >300° C (lit.)

SAFETY INFORMATION

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
PubChem CID 6364549
SMILES : C1=CC(=CC=C1NN=C2C=CC(=O)C(=C2)C(=O)O)[N+](=O)[O-]

Related products

Eriochrome Blue Black B

Eriochrome Blue Black B

Catalog: S10071
Buy Now
Sudan Black B Certified

Sudan Black B Certified

Catalog: S10181
Buy Now
Sudan IV Certified

Sudan IV Certified

Catalog: S10180
Buy Now
Sudan III Certified

Sudan III Certified

Catalog: S10179
Buy Now
Eriochrome Black T ACS

Eriochrome Black T ACS

Catalog: S10070
Buy Now
Brilliant Cresyl Blue Certified

Brilliant Cresyl Blue Certified

Catalog: S10039
Buy Now
Eriochrome Blue Black R

Eriochrome Blue Black R

Catalog: S10072
Buy Now
Acid Blue 9 (Brilliant Blue FCF)

Acid Blue 9 (Brilliant Blue FCF)

Catalog: S10001
Buy Now
TriStains logo for laboratory chemical solutions, ready-to-use stains, and solvents for research and testing
ABOUT
  • About Us
  • Contact Us
  • Privacy Policy
  • Terms & Conditions
RESOURCES
  • Useful Links
ACCREDITATION
  • ISO 9001:2015

© 2025 Tristains. All rights reserved

  • Quick Reagents
  • Histological stains
    • Dry Stains & Dyes
    • Stain Solution
  • Indicators
    • Indicator Solid
    • Indicator Solution
  • Solutions
  • Solvents
  • Contact us
  • Become Distributor
Categories
  • Scientific Articles
Recent Posts
  • S10097_webimg
    Hematoxylin
    April 4, 2024 No Comments
  • cytology-2
    Study Of Cytology
    March 1, 2024 No Comments
  • webimg-blog
    4,5- Dibromo fluorescein
    February 16, 2024 No Comments
OUR INSTAGRAM
1598 449
7975 515
6045 174
4323 755
8105 607
4748 629
5214 950
5149 990
5419 958
Recent Comments
    November 2025
    M T W T F S S
     12
    3456789
    10111213141516
    17181920212223
    24252627282930
    « Apr    
    Recently Viewed Products
    • New Methylene Blue N Free Acid New Methylene Blue N Free Acid
    Categories
    • Scientific Articles
    November 2025
    M T W T F S S
     12
    3456789
    10111213141516
    17181920212223
    24252627282930
    « Apr    
    Facebook Instagram linkedin