Version 1Last reviewed 25 February 2026Catalogue: C133, C1331, C1332, C1335
1. Identification
Product Identifiers
Product Name
Orcein Stain
Other Names
Natural Red 28
Product Number(s)
C133, C1331, C1332, C1335
CAS Number
1400-62-0 2-0
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
Emergency Contact Details
ProSciTech Pty Ltd 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
Not a hazardous substance or mixture.
Label Elements
Signal Words
Danger
Hazard Statement(s)
No further relevant information available.
Precautionary Statement(s)
No further relevant information available.
Primary route(s) of entry
Not available.
Human Health
Inhalation
No further relevant information available.
Ingestion
No further relevant information available.
Eyes
No further relevant information available.
Skin
No further relevant information available.
Environment
Not available.
3. Composition / Information on Ingredients
Name
CAS No.
Content (w/w)
Classification
Orcein
1400-62-0
90-100%
-
4. First Aid Measures
Ingestion
Do not induce vomiting without medical advice. Rinse with water. Consult physician.
Inhalation
Move to fresh air. Consult a physician.
Skin Contact
Rinse with plenty of soap & water and seek medical advice.
Eye Contact
In the case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Other Information
Treat symptomatically and supportively.
5. Firefighting Measures
Suitable extinguishing equipment
Fire
Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.
HAZCHEM
Carbon & nitrogen oxides.
Special protective equipment and precautions for fire fighters
As in any fire, 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 personal protective equipment as indicated in Section 8.
Environmental precautions
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation.
Methods and materials for containment and clean up
Not available.
7. Handling and Storage
Precautions for safe handling
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapour, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Conditions for safe storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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.
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
Purple - dark brown-black powder.
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 applicable.
Flammable (Explosive) Limits
Not available.
Ignition Temperature
Not applicable.
Formula
C28H24N2O7
10. Stability and Reactivity
Reactivity
No further relevant information available.
Chemical stability
Stable at room temperature in closed containers under normal storage and handling conditions.
Possibility of hazardous reactions
No further relevant information available.
Conditions to avoid
Incompatible materials, oxidisers.
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 further relevant information available.
Toxicity and irritation
No further relevant information available.
12. Ecological Information
Ecotoxicity
No further relevant information available.
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
Carbon & nitrogen oxides.
UN Number
None
Proper shipping name
Not regulated.
Transport hazard class
0
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
Acute Health Hazard.
16. Other Information
SDS preparation date
25 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.