Sudan IV Staining Solution - BioReagent, for microscopy, Biological Stain, 0.1% , CAS No.85-83-6

CAS: 85-83-6 Cat. No.: S774205 Formula: C24H20N4O Molecular Weight: 380.44 Beilstein Registry Number: 709018 EC Number: 201-635-8
AVAILABLE TO ORDER
GRADE & PURITY BioReagent ? BioReagent grade — tested suitable for life-science and molecular-biology use. Use for cell culture, assays, and biochemical work needing biological compatibility. Biological Stain ? Biological stain grade — dyes characterized for staining cells and tissues. Use in histology and microscopy where staining consistency matters. for Microscopy ? Microscopy grade — reagents/stains suited to sample prep and imaging. Use in microscopy where clarity and low background are needed. 0.1%
Storage
Protected from light,Room temperature
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
100ml
S774205-100ml
2 In stock
—
$29.90
Enter a quantity for the sizes you want to add.
🧪
Why this grade

BioReagent, for microscopy, Biological Stain, 0.1% Biological Stain,BioReagent,for Microscopy for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 48 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Specifications & Purity
BioReagent, for microscopy, Biological Stain, 0.1%
Stability And Storage
Store at room temperature for 12 months. Store in the dark.
Storage
Protected from light,Room temperature
Shipped In
Normal
Grade
Biological Stain, BioReagent, for Microscopy
Names and Identifiers
Canonical Smiles
CC1=CC=CC=C1N=NC2=CC(=C(C=C2)N=NC3=C(C=CC4=CC=CC=C43)O)C
IUPAC Name
1-[[2-methyl-4-[(2-methylphenyl)diazenyl]phenyl]diazenyl]naphthalen-2-ol
InChIKey
RCTGMCJBQGBLKT-UHFFFAOYSA-N
INCHI
1S/C24H20N4O/c1-16-7-3-6-10-21(16)26-25-19-12-13-22(17(2)15-19)27-28-24-20-9-5-4-8-18(20)11-14-23(24)29/h3-15,29H,1-2H3
Isomeric SMILES
CC1=CC=CC=C1N=NC2=CC(=C(C=C2)N=NC3=C(C=CC4=CC=CC=C43)O)C
WGK Germany
3
RTECS
QL5775000
NSC Number
10472
Molecular Weight
380.44
Beilstein
709018

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassAzobenzenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentAzobenzenes
Alternative Parents Naphthols and derivatives  Toluenes  1-hydroxy-2-unsubstituted benzenoids  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Organopnictogen compounds  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents Azobenzene - 2-naphthol - Naphthalene - Toluene - 1-hydroxy-2-unsubstituted benzenoid - Benzenoid - Monocyclic benzene moiety - Azo compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as azobenzenes. These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to a benzene ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate TypeDateItem
ZJ25F1230707Certificate of AnalysisSep 27, 2026 S774205
ZJ25F0420591Certificate of AnalysisFeb 10, 2026 S774205
Chemical and Physical Properties
SensitivityLight Sensitive
Melt Point(°C)199°C
Documents & Articles
Biological Stain
Histological and Cytological Section Staining: Principles and Methodological Essentials for Routine Pathology Stains and Structural Special Stains
Principles, Classification, and Clinical Laboratory Applications of Hematologic Cytochemical Staining
Principles, Applicable Scenarios, and Result Interpretation of Common Lipid Staining Methods
Structural Characteristics, Color-Change Mechanisms, and Application Selection of Azo Dye-Type Indicators
Morphological Basis, Method Workflow, and Result Interpretation of Urinary Sediment Microscopy
Plant Tissue and Cell Wall Staining Methods: Selection of Light Green, Safranin, Fast Green, and Composite Staining Systems
Summary of Cell Staining Methods
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What does Biological Stain mean?
Biological Stain indicates that the product has been processed and tested for biological and biochemical applications. Specifications may include endotoxin limits, microbial controls, sterility, low DNase/RNase/protease activity, and verified biological activity where relevant.
What does BioReagent mean?
BioReagent indicates that the product has been processed and tested for biological and biochemical applications. Specifications may include endotoxin limits, microbial controls, sterility, low DNase/RNase/protease activity, and verified biological activity where relevant.
How should this product be stored?
Store at room temperature, protected from light. The material is light-sensitive — keep it in its original opaque or amber container.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 85-83-6, the molecular formula is C24H20N4O, and the molecular weight is 380.44 g/mol. InChIKey RCTGMCJBQGBLKT-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.