Product Overview & Quality

Product Name: Neutral red (3-Amino-7-dimethylamino-2-methylphenazine hydrochloride)
Grade: Laboratory Grade (Lab Grade) / Biological Stain, widely used in histology, microbiology, and vital staining.
Physical Properties: Dark red to black or dark green fine powder; odorless.
Solubility: Soluble in water and alcohol, forming a bright red solution.
Key Features: * Functions as a pH indicator with a transition range of pH 6.8 (Red) to 8.0 (Yellow/Amber).
- Used in Neutral Red Cytotoxicity Assays to determine cell viability.

Safety & Hazards

Classification: Categorized as an irritant to the skin and eyes.
Health Risks: Direct contact causes skin staining and irritation. Serious eye irritation may occur upon contact. Inhalation of dust may irritate the respiratory tract.
First Aid Measures: Flush affected eyes or skin with plenty of water. Move to fresh air if dust is inhaled.

Handling & Storage

Storage: Light sensitive; must be stored in tightly sealed, amber or opaque containers in a cool, dry place to ensure stability.
Precautions: Wear standard PPE, including chemical-resistant gloves and safety goggles. Due to its high staining intensity, handle with care to avoid contamination of surfaces and equipment.