SAFETY DATA SHEET

Chromotrope 2R, C.I. 16570

Version 1Last reviewed 27 November 2024Catalogue: C090, C0901, C0905

1. Identification

Product Identifiers

Product Name: Chromotrope 2R, C.I. 16570
Other Names: Acid Red 29, C.I. 16570; 4,5-Dihydroxy-3-phenylazo-2,7-naphthalenedisulfonic acid;
disodium salt
Product Number(s): C090, C0901, C0905
CAS Number: 4197-07-3

Recommended use of the chemical and restriction on use

Stain for electron microscopy.

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

Skin irritation (Category 2)
Eye irritation (Category 2A)
Specific target organ toxicity - single exposure (Category 3)

Label Elements

Signal Words: Warning
Hazard Statement(s): H319: Causes serious eye irritation.
H315: Causes skin irritation.
H335: May cause respiratory irritation.
Precautionary Statement(s): P261: Avoid breathing dust/spray/ fume/gas/ mist/ vapours.
P264: wash skin thoroughly after handling.
P271: Use only outdoors or in well-ventilated area.
P405: Store locked up.
P280: Wear protective gloves/eye & face protection.
P302 ± P352:If on skin: Wash with plenty of soap & water.
P304 ± P340: If inhaled: remove to fresh air and keep at rest in a position comfortable for breathing.
P305 ± P351 ± P338: If in Eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present & easy to do so. Continue Rinsing.
P312: Call Poison Center or doctor/physician if you feel unwel.l
P321: Specific treatment (see supplemental first aid instructions).
P332 ± P313: If skin irritation occurs: consult physician.
P337 ± P313: If eye irritation occurs: consult physician.
P362: Take off contaminated clothing and wash before reuse.
P403 ± P233: Store in a well ventilated place. Keep container tightly closed. 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
Chromotrope 2R	4197-07-3	100%	-

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 immediately with plenty of water.
Other Information: Treat symptomatically and supportively.

5. Firefighting Measures

Suitable extinguishing equipment

Fire: Use water spray to cool fire expose containers. Use water spray,dry chemical, carbon dioxide, or alcohol-resistant foam.
HAZCHEM: During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.

Special protective equipment and precautions for fire fighters

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH approved or equivalent, and full protective gear.

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: 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.

7. Handling and Storage

Precautions for safe handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, ingestion, inhalation and clothing. Keep container tightly closed.
Conditions for safe storage: Store in a tightly closed container, cool, dry, well-ventilated area away from incompatibles.

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. 0.11mm thick nitrile.
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-red 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: C16H10N2Na2O8S2

10. Stability and Reactivity

Reactivity: No further relevant information available.
Chemical stability: Stable at room temp. in closed containers under normal storage and handling conditions.
Possibility of hazardous reactions: No further relevant information available.
Conditions to avoid: Incompatible materials, strong oxidants.
Incompatible materials: Strong oxidising agents.

11. Toxicological Information

Acute effects: LD50/LC50: Not available.
Eye contact: No further relevant information available.
Skin contact: No further relevant information available.
Ingestion: No further relevant information available.
Inhalation: May cause respiratory irritation.
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: During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
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: 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.