SAFETY DATA SHEET
Orange II
1. IDENTIFICATION
Product Identifiers
Product Name:
Orange II
Other Names:
Acid Orange 7, Acid Orange A, Tropaeolin
Product Number(s):
C131, C1311, C1315
CAS Number:
633-96-5
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
www.proscitech.com
Emergency Contact Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia

(07) 4773 9444
www.proscitech.com
2. HAZARDS IDENTIFICATION
Classification of the substance or mixture

GHS
Acute Aquatic Hazard (Category 3)
Label Elements
Signal Words
None
Hazard Statement(s)
H402: Harmful to aquatic life.
Precautionary Statement(s)
P273: Avoid release into the environment.
P501: Dispose of contents/container to an approved waste disposal plant.
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
Avoid release into the environment.
3. COMPOSITION/INFORMATION ON INGREDIENTS
Name
CAS No.
Content (w/w)
Classification
Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate
633-96-5
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
Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.
HAZCHEM
Carbon, Nitrogen, Sulphur, & Sodium oxiodes.
Special protective equipment and precautions for fire fighters
As in any fire, wear 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
Not available.
Methods and materials for containment and clean up
Vacuum or sweep up material and place into a suitable disposal container. Clean up 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, 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 a safety shower. Use adequate ventilation to keep airborne concentrations low. OSHA Vacated PELs: Acid Orange 7: No OSHA Vacated PELS are listed for this chemical.
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
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI z88.22 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
9. PHYSICAL AND CHEMICAL PROPERTIES
General information
Appearance
Orange to red powder.
Odour
None reported.
pH
Not available.
Vapour Pressure
Not available.
Density
Not available.
Boiling Point
Not available.
Melting Point
164 deg C
Solubility
116g/L (30 C)
Specific Gravity of Density
Not available.
Flash Point
Not applicable.
Flammable (Explosive) Limits
Not available.
Ignition Temperature
Not applicable.
Formula
C16H11N2NaO4S
10. STABILITY AND REACTIVITY
Reactivity
No further relevant information available.
Chemical stability
Stable under normal temperatures and pressures.
Possibility of hazardous reactions
No further relevant information available.
Conditions to avoid
Incompatible materials, dust generation, excess heat.
Incompatible materials
Oxidizing 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
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
Carbon, Nitrogen, Sulphur, & Sodium oxiodes.

UN Number
None
Proper shipping name
Not regulated.
Transport hazard class
Void
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
18 August 2023
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.
This Safety Data Sheet (SDS) has been prepared in compliance with the Preparation of Safety Data Sheets for Hazardous Chemicals Code of Practice February 2016. It is the user's responsibility to determine the suitability of this information for adoption of necessary safety precautions. The information published in this SDS has been compiled from the publications listed in Section 16: to the best of our ability and knowledge these publications are considered accurate. We reserve the right to revise Safety Data Sheets as new information becomes available. Copies may be made for non-profit use.

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