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Tristains

S10138

Orange II Certified

$34.42 – $103.42

CAS No
633-96-5
Synonym(s)
4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt; Acid Orange 7; Acid Orange A
Molecular Formula:
C16H11N2NaO4S
Molecular Weight:
350.32
EC Number:
211-199-0
Colour Index Number:
15510
PubChem CID:
135442941
MDL number:
MFCD00011657
Specification SDS

Available Options:

Description

Buy Orange II Certified (633-96-5) MF: C16H11N2NaO4S | MW: 350.32. Get High Quality Orange II Certified (633-96-5) from Tristains.

Orange II Certified, a synthetic azo dye classified under monoazo dyes, displays an orange-red hue and is represented by the chemical formula C₁₆H₁₁N₂NaO₄S. Widely employed in histology, cytology, analytical chemistry. Orange II Certified serves as a reliable and valuable dye for staining and visualizing proteins and other cellular components.

“TriStains”, Histological Stains/Biological Stains that offer range of stains used in Histology, Cytology, Microbiology and Hematology laboratories. TriStains meet the highest quality standards and give excellent color performance of desired components of cells and tissue in life science laboratories. TriStains series products are carefully tested to ensure accurate, reliable, and reproducible results. Our products are available in different packaging sizes to allow you to get all types of stains & Indicators for your specific purposes from a single source.

In-addition Tristains also deals in numerous Laboratory Supplies, Chemicals, Equipment, Instruments, Reagents, Standard Solutions, Buffers, Histological Stains/Biological Stains & Indicators and many more, for more information please visit our website www.tristains.com or email to [email protected] we will be happy to help you. All Tristains Products are exclusively distributed by Dawn Scientific Inc (https://dawnscientific.com)

Application :

  • Orange II Certified is commonly used as a counterstain in various histological and cytological staining procedures, providing contrast and highlighting specific cellular structures.
  • The dye has a high affinity for basic proteins, making it useful for the staining and visualization of proteins in tissues and cells.
  • It can be used as a colorimetric indicator in analytical techniques, such as pH testing and the determination of protein concentrations.

Benefits :

  • Has a high affinity for basic proteins
  • Versatile and stable
  • Cost-effective
Additional information
Weight N/A
Dimensions N/A
CAS NO

633-96-5
Synonyms

4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt; Acid Orange 7; Acid Orange A
CI No

15510
MW

350.32
Brand

Size

100g, 10g, 25g, 50g
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TECHNICAL INFORMATION
Alternate Names 4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt; Acid Orange 7; Acid Orange A
Application Orange II sodium salt is an azo dye pH indicator
CAS Number 633-96-5
Molecular Weight 350.32
Molecular Formula: C16H11N2NaO4S

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

Orange II sodium salt is a pH indicator and applicable in biological applications. Orange II sodium salt is useful in the Wilson-Ezrin method for pituitary acidophils, as a counterstain following Heidenhain’s or Weigert’s hematoxylin on paraffin sections, and as a substitute for Orange G (sc-203750) in Floemming’s triple stain.

TECHNICAL INFORMATION

Appearance Powder
Physical State Solid
Solubility Soluble in water (116 mg/ml at 30° C), and ethanol.
Storage Store at room temperature
Melting Point 164° C
Density : 1.02 g/cm3
Refractive Index: n20D~1.68 (Predicted)

SAFETY INFORMATION

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany 3
RTECS DB7084000
PubChem CID 23669380
Merck Index 14: 6858
MDL Number MFCD00011657
EC Number 211-199-0
Beilstein Registry : 3898201
SMILES : C1=CC=C2C(=C1)C=CC(=O)C2=NNC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]

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