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Carmoisine Red Extra Pure
Carmoisine Red Extra Pure is a high-purity synthetic azo dye widely used in laboratory settings for analytical and diagnostic applications, especially in colorimetric assays, pH studies, and chromatographic analysis. Known for its vibrant red hue and excellent solubility in water, it provides consistent and stable coloration under controlled conditions. In biochemical and pharmaceutical research, it serves as a model compound for dye interaction studies and compound tracing. The extra pure grade ensures low levels of impurities, offering high reliability in sensitive experimental work. It should be handled with care, stored in a cool, dry area, and protected from light to maintain its structural and color integrity.
Primary Uses
Colorimetric Indicator in Analytical Chemistry
Used in qualitative analysis and colorimetric methods to track reaction endpoints, especially in dye-sensitized tests or pH-related color changes.
Spectrophotometric Calibration and Research
Employed as a standard dye in UV-Vis spectrophotometry for studying absorption spectra, dye behavior, and solubility dynamics.
Model Compound in Dye Degradation Studies
Acts as a test pollutant in photocatalysis and wastewater treatment research, helping evaluate removal efficiency of dyes using various lab methods (e.g. TiOâ‚‚ photocatalysts, Fenton reaction).
Chromatography Practice & Separation Studies
Used in paper and thin-layer chromatography training and method development, due to its vivid color and predictable migration.
Secondary Uses
Educational Demonstration of Food Dye Behavior
Serves as a demo reagent in school and university labs to show solubility, diffusion, and dye interactions.
Standard for Dye Stability Tests
Applied in experiments to test thermal and light stability of synthetic azo dyes.
Toxicology and Allergenicity Research Models
Occasionally used as a representative synthetic dye in in vitro assays exploring allergenic or toxic dye effects.
Basic Identification Attributes
Chemical Name: Carmoisine
Grade: Extra Pure (Laboratory Grade)
Type: Azo dye
Chemical Formula: C20H12N2Na2O7S2
CI Number: CI Food Red 3 / CI 14720
CAS Number: 3567-69-9
Synonyms: Azorubine, Acid Red 14, Food Red 3
2. Physical & Chemical Properties
Appearance: Red to dark red powder or granules
Solubility: Soluble in water; slightly soluble in ethanol
Melting Point: Decomposes before melting
Stability: Stable under normal lab conditions
pH Range (in solution): Slightly acidic to neutral
3. Safety & Hazard Attributes
Hazard Classification: Not classified as hazardous under GHS for lab quantities
Hazard Statements:
May cause mild skin, eye, or respiratory irritation in sensitive individuals
Precautionary Measures:
Avoid inhalation of dust
Use with standard PPE
Wash hands thoroughly after handling
4. Storage & Handling Attributes
Storage Conditions:
Store in a cool, dry, well-ventilated place
Keep container tightly closed and protected from light
Handling Precautions:
Avoid creating or inhaling dust
Prevent contamination with incompatible substances (oxidizers)
5. Regulatory & Compliance Attributes
Transport: Not regulated for transport
Waste Disposal: Dispose in accordance with local chemical waste regulations
Regulatory Notes:
Banned or restricted as a food additive in some countries
Not for human consumption in laboratory settings
6. Environmental & Health Impact
Toxicity: Low acute toxicity; high doses may have adverse effects in animals
Health Effects:
Potential allergen in susceptible individuals
Environmental Hazard: May be harmful to aquatic life in large quantities
Fumes/Dusts: Avoid breathing dust or aerosols in dry handling
Personal Protective Equipment (PPE):
Wear lab coat, nitrile gloves, and protective goggles.
Use a dust mask or work in a fume hood to avoid inhalation of airborne particles.
Handling:
Avoid contact with skin, eyes, and clothing.
Prevent formation of dust and avoid breathing it in.
Wash hands thoroughly after handling.
Storage:
Store in a cool, dry, and well-ventilated area.
Keep the container tightly closed and protected from light.
Avoid proximity to oxidizing agents and strong acids.
FIRST AID MEASURES
Inhalation:
Remove the person to fresh air.
Seek medical attention if respiratory symptoms persist.
Skin Contact:
Wash with soap and plenty of water.
Remove contaminated clothing.
Get medical advice if irritation develops.
Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do.
Continue rinsing and seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Do not induce vomiting.
Seek medical advice if symptoms occur.
FIRE FIGHTING MEASURES
Flammability:
Generally considered non-flammable, but fine dust may pose a combustible dust hazard in air.
Extinguishing Media:
Use dry chemical, COâ‚‚, or foam.
Water spray can cool surfaces but may spread dust.
Hazardous Combustion Products:
May emit carbon oxides and nitrogen oxides if decomposed in fire.
Firefighter Protection:
Use self-contained breathing apparatus (SCBA) and wear full protective gear.
Related products
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Aluminium Metal Fine Extra Pure
n-propyl Acetate
Naphazolin hCL USP
Perchloroethylene
Product Description
Perchloroethylene (also known as tetrachloroethylene or PCE) is a clear, colorless liquid with a sweet odor, widely used as a solvent in dry cleaning and industrial degreasing. It has excellent solvent power for organic materials, is non-flammable, and chemically stable under normal conditions. Perchloroethylene is valued for its efficiency in removing oils, greases, and waxes from fabrics and metals, and serves as a key chemical intermediate in various industrial applications.
Phloretin
Product Description
Phloretin is a natural dihydrochalcone flavonoid primarily extracted from apple tree leaves and other fruit sources. It is recognized for its potent antioxidant properties and its ability to inhibit melanin synthesis, making it highly valued in cosmetic and pharmaceutical industries. Phloretin is a yellowish crystalline powder with low solubility in water but good solubility in organic solvents. It is widely used in skincare formulations for its skin-brightening, anti-aging, and anti-inflammatory benefits.
