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General Identification
- Read – Precautions for Use and Safety Information – Methyl Red SDS!
- Product Name: Methyl Red.
- Synonyms: 2-((4-Dimethylamino)phenyl)azo) benzoic acid, sodium salt; Acid Red 2; C.I. 13020.
- CAS Number: 845-10-3.
- Formula:Â C15H14N3O2Na.
- Formula Weight: 291.28.
- Component Name:Â Methyl red, sodium salt.
- Synonyms: Acid red 2 sodium salt; C.I. 13020;2-((4-Dimethylamino)phenyl)azo) benzoic acid, sodium salt.
First-Aid Measures
- If inhaled:Â Remove the victim to fresh air & keep them at rest in a breathing-friendly position.
- If in the Eyes: Carefully rinse for a few minutes with water. If contact lenses are present and simple to remove, do so. Rinsing continues.
- If on the Skin:Â Thoroughly rinse with water.
- If Swallowed: Rinse mouth if swallowed. If you feel unwell, contact a doctor.
Hazard Identification
- Signal Saying: Warning!
- Acute Toxicity: Not classified.
- Ingestion: This may be harmful.
- Skin Irritation: Not classified.
- Eye Irritation: Not classified.
- Sensitization: Not classified.
- Carcinogenicity: Not classified.
- Reproductive Toxicity: Not classified.
- Specific Target Organ Toxicity (Single Exposure): Not classified.
- Specific Target Organ Toxicity (Repeated Exposure): Not classified.
- Aspiration Hazard: Not classified.
- Ingestion: Might be harmful if swallowed.
Handling & Storage
- Store the container in a cool, dry area with the lid well closed.
- Stay away from the skin and eyes.
- Utilize sufficient ventilation.
- After handling, carefully wash your hands.
Exposure Controls/Personal Protection
- To avoid skin & eye contact, put on the proper protective gloves, clothes, & eye/face protection.
Accidental Release Measures
- Put on the proper personal protection gear.
- Avoid breathing in any mist or particles.
- Spills should be swept up or vacuumed up and put in an appropriate receptacle for disposal.
Handling & Storage
- Store with stains, dyes, & indicators.
- Keep the container firmly shut. Store in a dry, cool location.
Fire-Fighting Measures
- Not deemed to be a fire threat.
- Not considered to be an explosive threat.
- Not considered to be a health risk.
- To put out fires, use water spray, foam, dry chemicals, or carbon dioxide.
Physical & Chemical Properties
- Appearance:Â Red powder.
- Odor: Not available.
- pH(indicator): 4.4 red to 6.2 yellow.
- Melting Point: 181-182 °C.
- Boiling Point: Not available.
- Flash Point: Not available.
- Evaporation Rate: Not available.
- Flammability: Not available.
- Upper/Lower Flammability or Explosive Limits: Not available.
- Vapor Pressure: Not available.
- Vapor Density: Not available.
- Solubility:Â Water, alcohol, ether, & acetic acid.
- Specific Gravity: Not available.
Stability & Reactivity
- Stable under typical circumstances.
- Stay away from powerful oxidizers.
Toxicological Information
- Acute effects: Possible irritant.
- Chronic effects: Potential mutagen.
- Target organs: N.A
- N.A. for ORL-RAT LD50
- LC50 for IHL-RAT: N.A
- LD50 for SKN-RBT: N.A
Ecological Information
- Not available.
Disposal Considerations
- Dispose of in accordance with federal, state & local regulations.
Transport Information
- Name of shipment: Unrestricted. Risk category: N/A. UN identifier: N/A
Regulatory Information
- TSCA & EINECS listings (212-682-9).
Other Information
This Methyl Red SDS is intended as a guide & is based on data & tests that are likely to be reliable. I don’t guarantee the data’s correctness or completeness & I’m not responsible for any resulting losses. The information is only being provided for your review, research, & verification. I DO NOT ASSUME RESPONSIBILITY AND EXPRESSLY DISCLAIM LIABILITY FOR LOSS, DAMAGE OR EXPENSE RESULTING FROM OR IN ANY WAY CONNECTED WITH THE HANDLING, STORAGE, USE OR DISPOSAL OF THIS PRODUCT FOR THE FOREGOING AND OTHER REASONS.
 Methyl Red is an indicator dye that adapts its colour to a solution’s pH level. It is frequently employed in titrations, especially when evaluating bacterial cultures in the field of microbiology.
Conclusion
Methyl Red is a non-hazardous indicator dye that changes color in reaction to a solution’s pH. It should, nevertheless, be handled cautiously, protected by personal protective equipment, & disposed of in accordance with rules or guidelines. Always follow Methyl Red SDS!