Methyl orange
Product Overview & Quality
- Product Name: Methyl orange
- Brand: Kemaus (Product Code: KA-725)
- Grade: Laboratory Grade (Lab Grade). Manufactured under Kemaus standards to ensure reliable and consistent performance. It offers sharp and distinct color transitions, perfect for general educational experiments, industrial quality control, and routine environmental testing.
- Physical Properties: Odorless, bright orange to powder-orange fine crystalline powder.
- Visual Transition: Changes from red at pH 3.1 to yellow at pH 4.4.
- Key Use: Widely used as a pH indicator for acid-base titrations, specifically for titrating strong acids with weak bases where the end-point lies in the acidic range. Commonly utilized in environmental labs to determine water alkalinity and for preparing working indicator solutions.
Safety & Hazards (Critical)
- Classification: Toxic if swallowed (Category 3). May cause genetic defects.
- Health Risks: Ingestion leads to acute toxicity and dangerous internal effects. Direct contact with eyes or respiratory tract may cause mild mechanical irritation. As a strong dye substance, it will intensely stain skin and laboratory clothing upon contact.
- First Aid Measures: If swallowed, rinse mouth thoroughly with water and seek immediate medical attention. If in eyes or on skin, flush immediately with plenty of flowing water for at least 15 minutes.
Handling & Storage
- Storage: Store in the original, tightly sealed Kemaus container. Keep in a cool, dry, and well-ventilated space at stable room temperature (below 30 degrees Celsius). Protect from direct sunlight and moisture.
- Precautions: Personal protective equipment (PPE) is mandatory, including laboratory gloves, safety glasses, and a particulate dust mask to prevent accidental ingestion or dust inhalation. Avoid generating airborne dust during handling.
