Safety Data Sheets / Wright's Stain, Certified
Safety Data Sheet
Wright's Stain, Certified
1. Identification
Product Identifiers
- Product Name
- Wright's Stain, Certified
- Other Names
- Eosin Methylene blue according to Wright
- Product Number(s)
- C148
- CAS Number
- 68988-92-1
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 3)
- Acute toxicity, Oral (Category 4)
- Eye irritation (Category 2A)
Label Elements

- Signal Words
- Warning
- Hazard Statement(s)
- H302: Harmful if swallowed.
- H319: Causes serious eye irritation.
- H402: Harmful to aquatic life.
- Precautionary Statement(s)
- P264: wash skin thoroughly after handling.
- P270: Do not drink, eat, smoke, when using this product.
- P273: Avoid release into the environment.
- P280: Wear eye protection/face protection .
- P301 ± P312 ± P330:If Swallowed: Call Poison Center or doctor/physician if you feel unwell. Rinse mouth.
- P305 ± P351 ± P338: If in Eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present & easy to do so. Continue Rinsing .
- P337 ± P313: If eye irritation persists: get medical attention.
- P501: Dispose of contents/container to an approved waste disposal plant.
- P280: Wear protective gloves/eye & face protection.
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 |
|---|---|---|---|
| Methylthioninium chloride | 61-73-4 | 60-100% | - |
| Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate | 17372-87-1 | 30-60% | - |
4. First Aid Measures
- Ingestion
- Do not induce vomiting without medical advice. .
- Inhalation
- Move to fresh air. Consult a physician.
- Skin Contact
- Rinse with plenty of soap & water and seek medical advice.
- Eye Contact
- Rinse with water. Consult physician. Rinse immediately with plenty of water and seek medical advice.
- Other Information
- Treat symptomatically and supportive.
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, Sulphur, &sodium oxides - hydrogen chloride & bromide gases. Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
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 or absorb material, then place into a suitable clean, dry closed container for disposal. Avoid generating dusty conditions. Provide ventilation.
7. Handling and Storage
- Precautions for safe handling
- Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use adequate ventilation. Keep container tightly closed. Do not get in skin or in eyes. Avoid ingestion and inhalation. Wash clothing before reuse.
- Conditions for safe storage
- Keep away from heat and flame. Store in a cool, dry place. Keep containers tightly closed.
8. Exposure Controls / Personal Protection
Exposure Standards
- Engineering controls
- Facilities storing or utilising this material should be equipped with an eyewash facility and safety shower. Use adequate ventilation to keep airborne concentrations low.
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 29CFR 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 brown-green solid
- Odour
- Not available.
- pH
- Not available.
- Vapour Pressure
- Not available.
- Density
- Not available.
- Boiling Point
- Not available.
- Melting Point
- Not available.
- Solubility
- Not available.
- Specific Gravity of Density
- Not available.
- Flash Point
- Not available.
- Flammable (Explosive) Limits
- Not applicable.
- Ignition Temperature
- Not applicable.
- Formula
- Not available.
10. Stability and Reactivity
- Reactivity
- No information available.
- Chemical stability
- Stable under ordinary conditions of use and storage.
- Possibility of hazardous reactions
- No further relevant information available.
- Conditions to avoid
- Incompatible materials, ignition sources, excess heat, strong oxidants.
- Incompatible materials
- Strong oxidising agents.
11. Toxicological Information
- Acute effects
- LD50/LC50: No information.
- Eye contact
- No further relevant information available.
- Skin contact
- No further relevant information available.
- Ingestion
- No further relevant information available.
- Inhalation
- No further relevant information available.
- Toxicity and irritation
- No further relevant information available.
12. Ecological Information
- Ecotoxicity
- Harmful to aquatic life.
- 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
- Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate CAS#17372-87-1 Methylthioninium chloride CAS#61-73-4
- Packing group
- None.
- Environmental hazard
- No information available.
- Special precautions for users
- No information available.
- 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
- 27 November 2024
- 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.
