Version 1Last reviewed 30 June 2026Catalogue: C128, C1281, C1285
1. Identification
Product Identifiers
Product Name
Nigrosin, C.I. 50420
Other Names
Acid Black 2; C.I. 50420; C.I. Acid Black 2; Nigrosine; Nigrosin, water soluble; Nifrosin; Nifrosine WL water soluble.
Product Number(s)
C128, C1281, C1285
CAS Number
8005-03-6
Recommended use of the chemical and restriction on use
Laboratory chemical, Laboratory and analytical use.
Uses advised against: Do not use for private purposes (household).
Food, drink and animal feedingstuffs.
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)
None.
Precautionary Statement(s)
Not available.
Primary route(s) of entry
Not available.
Human Health
Inhalation
N\A
Ingestion
N\A
Eyes
N\A
Skin
N\A
Environment
No further relevant information available.
3. Composition / Information on Ingredients
Name
CAS No.
Content (w/w)
Classification
C.I. Acid Black 2
8005-03-6
100%
-
4. First Aid Measures
Ingestion
Do not induce vomiting without medical advice. Rinse with water. Consult physician.
Inhalation
Move to fresh air.
Skin Contact
Take off immediately all contaminated clothing. Rinse skin with water/ shower.
Eye Contact
After swallowing: make victim drink water (two glasses at most). Consult doctor if feeling
unwell.
Other Information
No further relevant information available.
5. Firefighting Measures
Suitable extinguishing equipment
Fire
Water Foam Carbon dioxide (CO₂) Dry powder.
Large Fire
Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.
HAZCHEM
Not available.
Special protective equipment and precautions for fire fighters
In the event of fire, wear self-contained breathing apparatus.
6. Accidental Release Measures
Personal precautions, protective equipment and emergency procedures
Avoid inhalation of dusts. Evacuate the danger area, observe emergency procedures, consult an expert.
For personal protection see section 8.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and clean up
Cover drains. Collect, bind, and pump off spills. Observe possible material restrictions (see sections 7 and 10). Take up dry. Dispose of properly. Clean up affected area. Avoid generation of dusts.
7. Handling and Storage
Precautions for safe handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimise dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid breathing dust.
Conditions for safe storage
Storage conditions
Tightly closed. Dry.
Storage class (TRGS 510): 11: Combustible Solids
8. Exposure Controls / Personal Protection
Exposure Standards
Material
TWA ppm
TWA mg/m³
STEL ppm
STEL mg/m³
C.I. Acid Black 2
-
-
-
-
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.
Personal protective equipment
Eye and face protection
Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulation in 29 CFR 1910.133 or European Standard EN166. 0.11mm thick nitrile.
Skin protection
Wear appropriate protective gloves to prevent skin exposure.
Body protection
Wear a chemical apron.
Respiratory protection
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
9. Physical and Chemical Properties
General information
Appearance
Black powder
Odour
No odour
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 available.
Ignition Temperature
Not available.
Formula
Not available.
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
no information available.
Incompatible materials
Strong oxidising agents, strong reducing 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
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
Not regulated.
Additional information
Not regulated.
15. Regulatory Information
Poisons Schedule Number
No information available.
Other Information
No further relevant information available.
16. Other Information
SDS preparation date
30 June 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.