metyl pomarańczowy 0.1% wodny roztwór

Methyl Orange 0.1% Aqueous Solution
Other Names: Acid Orange 52 solution, C.I. 13025 solution
CAS Number (Methyl Orange): 547-58-0
Sum Formula (dye): C₁₄H₁₄N₃NaO₃S
Appearance: Orange to reddish-orange liquid

Methyl Orange 0.1% is an aqueous solution of the synthetic azo dye methyl orange, widely used as a pH indicator and colorimetric reagent in laboratory and industrial applications. It exhibits a clear color transition from red (pH < 3.1) to yellow (pH > 4.4).

Chemical and Physical Properties
Concentration: 0.1% (w/v) in water
Solubility: Fully miscible with water
Color Transition Range: pH 3.1 (red) to pH 4.4 (yellow)
Stability: Stable under standard storage conditions
Odor: Odorless

Applications
Used as a pH indicator in titrations and analytical chemistry
Applied as a laboratory reagent for acid-base determination
Utilized in testing and visualization processes requiring distinct color changes

Safety

Signal Word: Danger

Hazard Statements

H301 Toxic if swallowed.

Precautionary Statements

P264 Wash skin thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER/ doctor.

P405 Store locked up.

P501 Dispose of contents/ container to an approved waste disposal plant.

First Aid Measures
Eye Contact: Rinse with plenty of water for at least 10–15 minutes. Seek medical attention if irritation persists
Skin Contact: Wash thoroughly with soap and water
Inhalation: Move to fresh air
Ingestion: Rinse mouth with water. Seek medical advice if discomfort occurs

Handling and Storage
Store in tightly closed containers, in a cool, dry, and dark place
Protect from direct sunlight and strong oxidizing agents
Use proper PPE when handling to avoid staining and irritation