Methyl Orange Disodium Salt Extra Pure
$ 17.70 Original price was: $ 17.70.$ 17.63Current price is: $ 17.63.
Methyl Orange Disodium Salt Extra Pure is a high-purity pH indicator commonly used in titrations and analytical chemistry to determine acidity levels. It exhibits a sharp color change from red in acidic environments to yellow in alkaline conditions, typically within the pH range of 3.1 to 4.4. This disodium salt form ensures excellent solubility in water, making it especially reliable for use in aqueous solutions. Its stability and sensitivity make it ideal for laboratory applications involving strong acid–base reactions, particularly in titrations of mineral acids. Methyl Orange Disodium Salt Extra Pure is a trusted choice for consistent and accurate results in both educational and professional lab settings.
Methyl Orange Disodium Salt Extra Pure
Primary Uses
- pH Indicator in Titration – Widely used in acid-base titrations to detect endpoint, changing color in the pH range of 3.1 (red) to 4.4 (yellow).
- Analytical Reagent – Utilized in qualitative and quantitative analysis of acids and bases, especially in educational and research laboratories.
Secondary Uses
- Educational Demonstrations – Commonly used in chemistry education to visually demonstrate pH changes and titration procedures.
- Dye Component – Occasionally used in the formulation of dyes or pigments for academic demonstrations.
- Calibration of pH Meters – Sometimes used to verify pH meter performance in conjunction with buffer standards.
| PACK SIZE | 25 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Methyl Orange Disodium Salt
- Synonyms: Sodium salt of Methyl Orange, Acid Orange 52, C.I. 13025
- CAS Number: 547-58-0
- Molecular Formula: C₁₄H₁₄N₃NaO₃S
- Molecular Weight: 327.33 g/mol
- Appearance: Orange-red powder
- Odor: Odorless
- Solubility: Soluble in water
- Grade: Extra Pure
- pH Indicator Range: 3.1 (red) to 4.4 (yellow)
2. Safety & Hazard Attributes
- GHS Classification:
- Not classified as hazardous under GHS in typical lab quantities, but caution is advised.
- Hazard Statements (if any):
- May cause skin or eye irritation with prolonged exposure
- Avoid inhalation of dust
- Precautionary Statements:
- P280: Wear protective gloves/protective clothing/eye protection
- P261: Avoid breathing dust
- P264: Wash hands thoroughly after handling
- Personal Protective Equipment (PPE):
- Gloves
- Safety goggles
- Lab coat
- Use under fume hood or with dust extraction if in powder form
- First Aid Measures:
- Inhalation: Move to fresh air; seek medical help if symptoms persist
- Skin Contact: Wash with soap and water
- Eye Contact: Rinse cautiously with water for several minutes
- Ingestion: Rinse mouth with water; seek medical attention if unwell
- Fire Hazards:
- Non-flammable
- Use standard extinguishing agents (CO₂, foam, dry chemical) for packaging materials
3. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, dry place
- Keep container tightly closed
- Protect from moisture and direct sunlight
- Handling Tips:
- Minimize dust generation
- Avoid contact with skin and eyes
4. Laboratory Applications
- Primary Uses:
- pH indicator in acid-base titrations
- Detects endpoint in strong acid vs. weak base titrations
- Secondary Uses:
- Teaching experiments in analytical and general chemistry
- Dyeing agent in some microbiology procedures (not for staining)
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear a lab coat, nitrile gloves, and protective goggles.
- Use a dust mask or work in a fume hood to prevent inhalation of powder.
Handling:
- Avoid inhalation, ingestion, and contact with skin and eyes.
- Handle with care to avoid creating dust.
- Wash hands thoroughly after handling.
Storage:
- Store in a cool, dry, and well-ventilated area.
- Keep the container tightly closed and protected from moisture and light.
- Keep away from strong oxidizing agents.
FIRST AID MEASURES
Inhalation:
- Move the person to fresh air.
- Seek medical attention if symptoms such as coughing or difficulty breathing occur.
Skin Contact:
- Wash with soap and plenty of water.
- Remove contaminated clothing.
- Get medical advice if irritation or a rash appears.
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 your mouth thoroughly with water.
- Do not induce vomiting.
- Seek medical attention immediately.
FIRE FIGHTING MEASURES
Flammability:
- Not highly flammable, but fine dust may form combustible dust-air mixtures.
Extinguishing Media:
- Use dry chemicals, CO₂, or foam.
- Water spray may be used to cool surfaces but avoid generating dust clouds.
Hazardous Combustion Products:
- May release carbon oxides, sulfur oxides, and nitrogen oxides upon combustion.
Firefighter Protection:
- Use self-contained breathing apparatus (SCBA) and wear full protective gear.
Related products
Acetone Extra Pure
Acetone Extra Pure is a highly volatile, flammable, and colorless liquid widely used as a powerful solvent in laboratory and industrial applications. Known for its exceptional ability to dissolve a wide range of substances, it is commonly employed for cleaning laboratory glassware, thinning resins, and removing organic residues. In the cosmetics and pharmaceutical industries, acetone is used in nail polish removers and formulation processes. Its high evaporation rate and purity make it suitable for analytical procedures and synthesis work, especially where contaminant-free solvents are essential. With a distinct odor and low boiling point, Acetone Extra Pure is an indispensable reagent for both routine and specialized chemical operations.
Citronella Extra Pure
Citronella Extra Pure is a laboratory-grade essential oil distilled primarily from Cymbopogon species, known for its strong, lemon-like aroma and high content of citronellal, geraniol, and citronellol. In lab settings, it is used in analytical chemistry, fragrance analysis, natural product research, and biological assays due to its volatile organic profile. The extra pure grade ensures the oil is free from synthetic additives and contaminants, offering consistent performance in both qualitative and quantitative studies. It also serves as a reference standard in olfactory testing and is handled with care due to its high volatility and sensitivity to light and air.
Magnesium Carbonate Heavy Extra Pure
Magnesium Carbonate Heavy Extra Pure is a denser, high-purity grade of magnesium carbonate known for its exceptional stability, low solubility in water, and high absorbent capacity. It is widely used in pharmaceutical formulations as an antacid and magnesium supplement, and in food processing as an anti-caking agent and food additive. Its heavier bulk density makes it ideal for industrial uses such as in rubber and plastic manufacturing, where it serves as a reinforcing filler. In cosmetics, it contributes to moisture control in powders and skin care products. It is also valued in laboratories for analytical applications where precision and consistency are essential.
Magnesium Carbonate Light Extra Pure
Magnesium Carbonate Light Extra Pure is a fine, white, odorless powder known for its excellent absorbent, drying, and antacid properties. It is widely used in pharmaceutical formulations, cosmetics, food additives, and laboratory reagents. Its “light” form refers to its low bulk density, making it ideal for applications requiring a fluffy, easily dispersible powder. In personal care products, it serves as a filler and opacifier, while in pharmaceuticals, it acts as a mild antacid and magnesium supplement. Its high purity ensures consistent performance in analytical procedures and specialty chemical processes.
Magnesium Oxide Light Powder Extra Pure
Magnesium Oxide Light Powder Extra Pure is a fine, white, odorless powder with a lower bulk density compared to the heavy grade, offering high surface area and excellent reactivity. It is widely used in analytical laboratories, pharmaceuticals, and cosmetics due to its purity and gentle chemical behavior. In pharmaceutical formulations, it acts as an antacid and magnesium supplement, while in cosmetics, it is used for its absorbent and pH-adjusting properties. Its light, fluffy texture also makes it ideal for use in rubber, plastics, and coatings as a filler, stabilizer, or neutralizing agent. The extra pure grade ensures consistent quality for precise and sensitive applications.
Malachite Green Extra Pure
Malachite Green Extra Pure is a synthetic dye of exceptional purity, recognized for its intense green coloration and versatile laboratory uses. It is commonly used as a biological stain, especially in microbiology for identifying and differentiating bacterial species, and in histology for staining cell structures. Additionally, Malachite Green serves as an effective fungicide and antiparasitic agent in aquaculture and laboratory testing. Its high purity ensures reliable performance in analytical applications, including redox titrations and as a pH indicator in specific chemical reactions. Its vivid color and chemical stability make it a valuable reagent in both teaching and professional research settings.
Maltose Extra Pure
Maltose Extra Pure is a disaccharide composed of two glucose units, commonly known as malt sugar. This extra pure grade ensures exceptional quality and consistency, making it ideal for use in biochemical research, fermentation studies, and laboratory analysis. In the food industry, maltose is valued for its mild sweetness and is often used in brewing, baking, and confectionery to promote fermentation and enhance flavor. It also plays a role in energy metabolism studies and is frequently used as a carbon source in microbiological media. Its stability and solubility in water make it easy to incorporate into various formulations, offering a dependable ingredient for scientific and industrial use where high purity is essential.
Manganese Sulphate Extra Pure
Manganese Sulphate Extra Pure is a highly refined, pale pink crystalline compound widely valued for its use in both laboratory and industrial applications. In the lab, it serves as a reliable source of manganese ions in analytical chemistry, synthesis of manganese-based catalysts, and as a micronutrient in biological research. Industrially, it plays a crucial role in fertilizers, where it addresses manganese deficiency in crops, and in animal feed formulations. Due to its high solubility and purity, this compound is also used in electroplating, ceramics, and pigment production, making it a versatile and essential chemical in many scientific and manufacturing settings.

Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders