SAFETY DATA SHEET
Tannic acid
1. IDENTIFICATION
Product Identifiers
Product Name:
Tannic acid
Other Names:
Synonyms
Product Number(s):
403040, C081 N
CAS Number:
1401-55-4
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 9444www.proscitech.com
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
Emergency Contact Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
Skin irritation 2 H315 Causes skin irritation.
Eye irritation 2A H319 Causes serious eye irritation.
Eye irritation 2A H319 Causes serious eye irritation.
Label Elements
Signal Words
Warning
Hazard Statement(s)
Causes skin irritation.
Causes serious eye irritation.
Causes serious eye irritation.
Precautionary Statement(s)
Wash thoroughly after handling.
Wear protective gloves / eye protection / face protection.
Wear protective gloves / eye protection / face protection.
Primary route(s) of entry
Ingestion - Can occur if the chemical contaminates food, hands, or is swallowed accidentally.
Inhalation - Possible when dust or powder becomes airborne and is breathed in.
Skin contact (dermal absorption) - Can enter through the skin, especially with prolonged contact.
Eye contact - Not a systemic entry route but important because it can cause eye irritation.
Inhalation - Possible when dust or powder becomes airborne and is breathed in.
Skin contact (dermal absorption) - Can enter through the skin, especially with prolonged contact.
Eye contact - Not a systemic entry route but important because it can cause eye irritation.
Human Health
Inhalation:
No information available.
Ingestion:
No information available.
Eyes:
Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
Continue rinsing.
If eye irritation persists: Get medical advice/attention.
Continue rinsing.
If eye irritation persists: Get medical advice/attention.
Skin:
If on skin: Wash with plenty of water.
If skin irritation occurs: Get medical advice/attention.
Take off contaminated clothing and wash it before reuse
If skin irritation occurs: Get medical advice/attention.
Take off contaminated clothing and wash it before reuse
Environment
No information available.
3. COMPOSITION/INFORMATION ON INGREDIENTS
Name
CAS No.
Content (w/w)
Classification
Tannin Gallotannin
1401-55-4
Not Available
4. FIRST AID MEASURES
Ingestion
After swallowing: make victim drink water (two glasses at most). Consult doctor if feeling unwell.
Inhalation
After inhalation: fresh air.
Skin Contact
In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower.
Eye Contact
After eye contact: rinse out with plenty of water. Remove contact lenses.
Other Information
Symptoms of poisoning may even occur after several hours; therefore medical observation for at least 48 hours after the accident.
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11
5. FIREFIGHTING MEASURES
Suitable extinguishing equipment
Water Foam Carbon dioxide (CO₂) Dry powder.
HAZCHEM
Carbon oxides
Combustible.
Vapors are heavier than air and may spread along floors.
Forms explosive mixtures with air on intense heating.
Development of hazardous combustion gases or vapours possible in the event of fire.
Combustible.
Vapors are heavier than air and may spread along floors.
Forms explosive mixtures with air on intense heating.
Development of hazardous combustion gases or vapours possible in the event of fire.
Special protective equipment and precautions for fire fighters
Prevent fire extinguishing water from contaminating surface water or the ground water system.
6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Advice for non-emergency personnel: Avoid inhalation of dusts. Evacuate the danger area, observe emergency procedures, consult an expert.
For personal protection see section 8.
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.
For disposal see section 13.
For disposal see section 13.
7. HANDLING AND STORAGE
Precautions for safe handling
Precautions for safe handling Open and handle receptacle with care.
Information about protection against explosions and fires: Keep respiratory protective device available.
Information about protection against explosions and fires: Keep respiratory protective device available.
Conditions for safe storage
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Exposure Standards
Engineering controls
Change contaminated clothing. Wash hands after working with substance.
Personal protective equipment
Eye and face protection
Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Safety glasses
Skin protection
This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN 16523-1 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell, Internet: www.kcl.de).
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:KCL 741 Dermatril® L
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:KCL 741 Dermatril® L
Body protection
Respiratory protection
required when dusts are generated.
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.
9. PHYSICAL AND CHEMICAL PROPERTIES
General information
Appearance
light brown Powder with lumps
Odour
Characteristic
pH
3.5
Vapour Pressure
Not applicable.
Density
0.44 g/cm³ (3.6718 lbs/gal) @ 20 °C (68 °F).
Boiling Point
No data available
Melting Point
No data available
Solubility
No data available
Specific Gravity of Density
No data available
Flash Point
199 °C
Flammable (Explosive) Limits
No data available
Ignition Temperature
Not determined. Product does not present an explosion hazard.
Formula
C76H52O46
10. STABILITY AND REACTIVITY
Reactivity
Forms explosive mixtures with air on intense heating.
A range from approx. 15 Kelvin below the flash point is to be rated as critical.
The following applies in general to flammable organic substances and mixtures: in correspondingly fine distribution, when whirled up a dust explosion potential may generally be assumed.
A range from approx. 15 Kelvin below the flash point is to be rated as critical.
The following applies in general to flammable organic substances and mixtures: in correspondingly fine distribution, when whirled up a dust explosion potential may generally be assumed.
Chemical stability
The product is chemically stable under standard ambient conditions (room temperature).
Possibility of hazardous reactions
Violent reactions possible with: Oxidizing agents
Conditions to avoid
Strong heating.
Incompatible materials
No data available
11. TOXICOLOGICAL INFORMATION
Acute effects
LD50 Oral - Rat - 2,260 mg/kg
Remarks: Behavioral:Convulsions or effect on seizure threshold.
Lungs, Thorax, or Respiration:Dyspnea.
Gastrointestinal:Other changes.
Inhalation: No data available
Dermal: No data available
LD50 Intraperitoneal - Mouse - 120 mg/kg
Remarks: Behavioral:Convulsions or effect on seizure threshold.
Lungs, Thorax, or Respiration:Dyspnea.
Gastrointestinal:Other changes.
Inhalation: No data available
Dermal: No data available
LD50 Intraperitoneal - Mouse - 120 mg/kg
Eye contact
Remarks: No data available
Skin contact
Remarks: No data available
Ingestion
Remarks: No data available
Inhalation
Remarks: No data available
Toxicity and irritation
Germ cell mutagenicity
Species: Rat
Application Route: Oral
Remarks: Unscheduled DNA synthesis
Species: Rat
Application Route: Subcutaneous
Remarks: Unscheduled DNA synthesis
Species: Mouse
Application Route: Intraperitoneal
Remarks: DNA inhibition
Carcinogenicity
No data available
Reproductive toxicity
No data available
Specific target organ toxicity - single exposure
No data available
Specific target organ toxicity - repeated exposure
No data available
Aspiration hazard
No data available
Species: Rat
Application Route: Oral
Remarks: Unscheduled DNA synthesis
Species: Rat
Application Route: Subcutaneous
Remarks: Unscheduled DNA synthesis
Species: Mouse
Application Route: Intraperitoneal
Remarks: DNA inhibition
Carcinogenicity
No data available
Reproductive toxicity
No data available
Specific target organ toxicity - single exposure
No data available
Specific target organ toxicity - repeated exposure
No data available
Aspiration hazard
No data available
12. ECOLOGICAL INFORMATION
Ecotoxicity
No data available
Persistence and degradability
No data available
Bioaccumulative potential
No data available
Other adverse effects
General notes:
Water hazard class 2 (Assessment by list): hazardous for water
Do not allow product to reach ground water, water course or sewage system.
Danger to drinking water if even small quantities leak into the ground.
Water hazard class 2 (Assessment by list): hazardous for water
Do not allow product to reach ground water, water course or sewage system.
Danger to drinking water if even small quantities leak into the ground.
13. DISPOSAL CONSIDERATIONS
General information
Waste material must be disposed of in accordance with the national and local regulations.
Leave chemicals in original containers. No mixing with other waste. Handle uncleaned
containers like the product itself.
Leave chemicals in original containers. No mixing with other waste. Handle uncleaned
containers like the product itself.
14. TRANSPORT INFORMATION
ADG label required
HAZCHEM
Carbon oxides
Combustible.
Vapors are heavier than air and may spread along floors.
Forms explosive mixtures with air on intense heating.
Development of hazardous combustion gases or vapours possible in the event of fire.
Combustible.
Vapors are heavier than air and may spread along floors.
Forms explosive mixtures with air on intense heating.
Development of hazardous combustion gases or vapours possible in the event of fire.
UN Number
Void
Proper shipping name
Void
Transport hazard class
Void
Packing group
Void
Environmental hazard
Not applicable
Special precautions for users
Not applicable
Additional information
Not applicable
15. REGULATORY INFORMATION
Poisons Schedule Number
Sara
· Section 355 (extremely hazardous substances): Substance is not listed.
· Section 313 (Specific toxic chemical listings): Substance is not listed.
· TSCA (Toxic Substances Control Act): ACTIVE
· Hazardous Air Pollutants Substance is not listed.
· Proposition 65
· Chemicals known to cause cancer: Substance is not listed.
· Chemicals known to cause reproductive toxicity for females: Substance is not listed.
· Chemicals known to cause reproductive toxicity for males: Substance is not listed.
· Chemicals known to cause developmental toxicity: Substance is not listed.
· Carcinogenic categories
· EPA (Environmental Protection Agency) Substance is not listed.
· TLV (Threshold Limit Value) Substance is not listed.
· NIOSH-Ca (National Institute for Occupational Safety and Health) Substance is not listed.
· GHS label elements The substance is classified and labeled according to the Globally Harmonized System (GHS).
· Section 355 (extremely hazardous substances): Substance is not listed.
· Section 313 (Specific toxic chemical listings): Substance is not listed.
· TSCA (Toxic Substances Control Act): ACTIVE
· Hazardous Air Pollutants Substance is not listed.
· Proposition 65
· Chemicals known to cause cancer: Substance is not listed.
· Chemicals known to cause reproductive toxicity for females: Substance is not listed.
· Chemicals known to cause reproductive toxicity for males: Substance is not listed.
· Chemicals known to cause developmental toxicity: Substance is not listed.
· Carcinogenic categories
· EPA (Environmental Protection Agency) Substance is not listed.
· TLV (Threshold Limit Value) Substance is not listed.
· NIOSH-Ca (National Institute for Occupational Safety and Health) Substance is not listed.
· GHS label elements The substance is classified and labeled according to the Globally Harmonized System (GHS).
Other Information
Safety, health and environmental regulations/legislation specific for the substance or mixture No further relevant information available.
16. OTHER INFORMATION
SDS preparation date
16 March 2026
Comments
Abbreviations and acronyms:
ADR: Accord relatif au transport international des marchandises dangereuses par route (European Agreement Concerning the International
Carriage of Dangerous Goods by Road)
IMDG: International Maritime Code for Dangerous Goods
DOT: US Department of Transportation
IATA: International Air Transport Association
EINECS: European Inventory of Existing Commercial Chemical Substances
CAS: Chemical Abstracts Service (division of the American Chemical Society)
NFPA: National Fire Protection Association (USA)
HMIS: Hazardous Materials Identification System (USA)
LC50: Lethal concentration, 50 percent
LD50: Lethal dose, 50 percent
PBT: Persistent, Bioaccumulative and Toxic
vPvB: very Persistent and very Bioaccumulative
NIOSH: National Institute for Occupational Safety
OSHA: Occupational Safety Health
TLV: Threshold Limit Value
PEL: Permissible Exposure Limit
REL: Recommended Exposure Limit
Skin irritation 2: Skin corrosion/irritation - Category 2
Eye irritation 2A: Serious eye damage/eye irritation - Category 2A
ADR: Accord relatif au transport international des marchandises dangereuses par route (European Agreement Concerning the International
Carriage of Dangerous Goods by Road)
IMDG: International Maritime Code for Dangerous Goods
DOT: US Department of Transportation
IATA: International Air Transport Association
EINECS: European Inventory of Existing Commercial Chemical Substances
CAS: Chemical Abstracts Service (division of the American Chemical Society)
NFPA: National Fire Protection Association (USA)
HMIS: Hazardous Materials Identification System (USA)
LC50: Lethal concentration, 50 percent
LD50: Lethal dose, 50 percent
PBT: Persistent, Bioaccumulative and Toxic
vPvB: very Persistent and very Bioaccumulative
NIOSH: National Institute for Occupational Safety
OSHA: Occupational Safety Health
TLV: Threshold Limit Value
PEL: Permissible Exposure Limit
REL: Recommended Exposure Limit
Skin irritation 2: Skin corrosion/irritation - Category 2
Eye irritation 2A: Serious eye damage/eye irritation - Category 2A
References
EMS Tannins SDS, 05/01/2025 https://www.emsdiasum.com/docs/technical/msds/21700.pdf
Sigma-Aldrich SDS Tannic acid 07/02/2025 https://www.sigmaaldrich.com/AU/en/sds/sial/403040?userType=anonymous
Sigma-Aldrich SDS Tannic acid 07/02/2025 https://www.sigmaaldrich.com/AU/en/sds/sial/403040?userType=anonymous
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.