SAFETY DATA SHEET
Methyl Red, C.I. 13020
1. Identification
Product Identifiers
- Product Name
- Methyl Red, C.I. 13020
- Other Names
- C.I. Acid Red; 2-(4-Dimethylaminophenylazo) benzoid acid; C.I. 13020; p- (Dimethylamino)azobenzene-o-carboxylic acid; Methyl Red.
- Product Number(s)
- C512, C5121, C5125
- CAS Number
- 493-52-7
Recommended use of the chemical and restriction on use
Laboratory use.
Company Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia
(07) 4773 9444
pst@proscitech.com
proscitech.com.au
11 Carlton Street
KIRWAN QLD 4817
Australia
(07) 4773 9444
pst@proscitech.com
proscitech.com.au
Emergency Contact Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia
(07) 4773 9444
pst@proscitech.com
proscitech.com.au
11 Carlton Street
KIRWAN QLD 4817
Australia
(07) 4773 9444
pst@proscitech.com
proscitech.com.au
2. Hazards Identification
Classification of the substance or mixture
Acute aquatic toxicity (Category 2) Chronic aquatic toxicity (Category 2)
Label Elements
- Signal Words
- Warning
- Hazard Statement(s)
- H411: Toxic to aquatic life with long lasting effects.
- Precautionary Statement(s)
- P273: Avoid release into environment.
- P391: Collect spillage.
- P501: Dispose of contents/container to an approved waste disposal plant.
Primary route(s) of entry
Not available.
Human Health
- Inhalation
- Harmful by inhalation.
- Ingestion
- Harmful if swallowed.
- Eyes
- Risk of serious damage to eyes.
- Skin
- Harmful in contact with skin.
Environment
Not available.
3. Composition / Information on Ingredients
| Name | CAS No. | Content (w/w) | Classification |
|---|---|---|---|
| Methyl Red | 493-52-7 | 98% | - |
4. First Aid Measures
- Ingestion
- Do not induce vomiting without medical advice. Rinse with water.
- Inhalation
- Move to fresh air.
- Skin Contact
- Rinse with plenty of soap & water.
- Eye Contact
- Rinse with plenty of water as precaution.
- Other Information
- No further relevant information available.
5. Firefighting Measures
Suitable extinguishing equipment
- Fire
- Use water spray, dry chemical, carbon dioxide or alcohol-resistant foam.
- HAZCHEM
- Not available.
Special protective equipment and precautions for fire fighters
Carbon & nitrogen oxides. Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Combustion generates toxic fumes. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion.
6. Accidental Release Measures
- Personal precautions, protective equipment and emergency procedures
- Use proper PPE as indicated in Section 8.
- Environmental precautions
- Not available.
- Methods and materials for containment and clean up
- Clean up spills immediately, observing precautions in the Protective Equipment Section. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
7. Handling and Storage
- Precautions for safe handling
- Wash thoroughly after handling. Use with adequate ventilation. Minimise dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
- Conditions for safe storage
- Store in a cool, dry, well-ventilated area away from incompatible substances.
8. Exposure Controls / Personal Protection
Exposure Standards
- Engineering controls
- No information available.
Personal protective equipment
- Eye and face protection
- Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
- Skin protection
- Wear appropriate protective gloves to prevent skin exposure.
- Body protection
- Wear appropriate protective clothing to prevent skin exposure.
- Respiratory protection
- Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
9. Physical and Chemical Properties
General information
- Appearance
- Dark red to purple to maroon powder.
- Odour
- Not available.
- pH
- Not available.
- Vapour Pressure
- Not available.
- Density
- 0.989g/cm3
- Boiling Point
- Not available.
- Melting Point
- 179-182 °C
- Solubility
- Slightly soluble.
- Specific Gravity of Density
- Not applicable.
- Flash Point
- Not applicable.
- Flammable (Explosive) Limits
- Not available.
- Ignition Temperature
- Not applicable.
- Formula
- C15H15N3O2
10. Stability and Reactivity
- Reactivity
- No further relevant information available.
- Chemical stability
- Stable under normal temperatures and pressures. Materials containing similar functional groups can decompose at elevated temperatures.
- Possibility of hazardous reactions
- No further relevant information available.
- Conditions to avoid
- Dust generation, excess heat.
- Incompatible materials
- Strong oxidising agents.
11. Toxicological Information
- Acute effects
- No further relevant information available.
- Eye contact
- No further relevant information available.
- Skin contact
- No further relevant information available.
- Ingestion
- No further relevant information available.
- Inhalation
- No data available.
- Toxicity and irritation
- LD50/LC50: Not available.
12. Ecological Information
- Ecotoxicity
- LC50: Mosquito fish - 7mg/l - 96h Toxic to aquatic life with long lasting effects.
- Persistence and degradability
- No further relevant information available.
- Bioaccumulative potential
- No further relevant information available.
- Other adverse effects
- No further relevant information available.
13. Disposal Considerations
General information
Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.
14. Transport Information
ADG label required
- HAZCHEM
- Not available.
- UN Number
- None.
- Proper shipping name
- Not regulated.
- Transport hazard class
- 0
- Packing group
- None.
- Environmental hazard
- No information available.
- Special precautions for users
- None listed.
- Additional information
- No information available.
15. Regulatory Information
- Poisons Schedule Number
- Not listed.
- Other Information
- No further relevant information available.
16. Other Information
- SDS preparation date
- 24 February 2026
- Comments
- This information is based on our present knowledge. However, this shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.