Neutral Red for various purposes,includin as adye，biological stain，and pH indicator in laboratory settings. C15H17ClN4 CAS 553-24-2 EC 209-035-8 IND Grade| Chemical Reagents net

Neutral Red is a chlorinated organic compound with the molecular formula C15H17ClN4. It is widely used as a biological dye in cell biology and histology research.

General Information

Name: Neutral Red
Molecular Formula: C15H17ClN4
CAS No.: 553-24-2
EC No.: 209-035-8
MDL No.: MFCD00012651
Grade: IND (Industrial Grade)

Brand and Packaging

Brand: KeShi
Packaging: 25g × 10 bottles/box

Chemical Structure

     H
     |
H3C-N=N-N-CH3
 |         |
CH3        N
          / \
         H   CH3

Appearance

Neutral Red appears as a dark red crystalline powder.

More introduction

More introduction

Safety Information:

Neutral Red should be handled with care during routine laboratory operations. Avoid direct contact with skin, eyes, or respiratory tract. Use appropriate personal protective equipment (such as laboratory gloves and goggles) when handling. Refer to the relevant Safety Data Sheet (SDS) for detailed safety information.

Applications:

Neutral Red is primarily used for:

Cell staining in cell biology research, including vital staining and dead cell staining
Tissue staining in histological research, particularly for collagen fibers
pH indicator
Cell viability and toxicity assays

Summary:

Neutral Red is an organic dye known for its significant biological staining properties, widely used in staining experiments for cells and tissues. Proper safety procedures should be followed when using it in the laboratory to ensure the safety of personnel and the environment.

Quality inspection report

Quality inspection report

Test Item	Test Result	Standard Requirement	Conclusion
Appearance	Dark green powder	Dark green, brown, or light black powder	Pass
pH Range	6.8 (red) to 8.0 (yellow)	6.8 (red) to 8.0 (yellow)	Pass
Sensitivity Test	Pass	Pass	Pass
Ethanol Solubility	Pass	–	Pass
Residue on Ignition (as sulfate)	0.03%	≤ 2.0%	Pass

Analysis Conclusion: Complies with Q/CDKLHX 1591-2016A requirements.

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