MATERIAL SAFETY DATA SHEET
Tannic Acid
Page 1 of 2
Date of Issue: 18 Sept. 06
STATEMENT OF HAZARDOUS NATURE
Hazardous according to criteria of Worksafe Australia
COMPANY DETAILS
ProSciTech
Company:
Address: PO Box 111, Thuringowa Central Qld. 4817 Australia
Street Address: 1/11 Carlton Street, Kirwan, Qld, 4817. Australia
Telephone Number: (07) 4773 9444
Fax Number: (07) 4773 2244
IDENTIFICATION SECTION
Tannic Acid
Product Name
Gallotannic Acid; Gallotannin; Glycerite; Tannin
Other Names
C081
Product Code
None allocated
U.N. Number
None allocated
Dangerous Goods Class
and Subsidiary Risk
None allocated
Hazchem Code
None allocated
Poison Schedule
Mordant used in combination with Glutaraldehyde and Osmium
Use
Tetroxide to improve membrane contrast.
Physical Description and Properties
Pale-yellow powder
Appearance
218oC
Boiling Point/Melting Point
Vapour Pressure
Specific Gravity
Flash Point
Not determined
Flammability Limits
2857g/L
Solubility in water
Other Properties
Ingredients
Chemical Name CAS Number Proportion
C76H52O46 1401-55-4
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Tannic Acid
HEALTH HAZARD INFORMATION
Health Effects:
Acute
Not highly toxic but may cause some gastrointestinal discomfort due to its irritant and
Swallowed:
astringent action.
Mild irritant. Can cause reddening and tearing possibly pain and blurred vision.
Eye:
Mild irritant and astringent. May cause inflammation on prolonged contact. Contact with open
Skin:
wounds or burns may promote absorption and systemic effects.
Nuisance dust with astringent action. May cause coughing and sneezing with possible breathing
Inhaled:
difficulty at high concentrations.
Pathological findings in experimental animals show evidence of gastritis, liver damage (the
Chronic:
usual cause of death) and kidney damage. Is a possible carcinogen.
First Aid:
Induce vomiting immediately as directed by medical personnel. Never give anything by mouth
Swallowed:
to an unconscious person.
Immediately flush eyes with copious amounts of water for at least 15 minutes, lifting lower and
Eye:
upper eyelids occasionally. Get medical attention immediately.
Immediately flush skin with copious amounts of water for at least 15 minutes while removing
Skin:
contaminated clothing and shoes. If irritation develops, seek medical attetion..
Remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give
Inhaled:
oxygen and seek medical attention.
Eye bath, safety shower
First Aid Facilities:
PRECAUTIONS FOR USE
No exposure standard allocated
Exposure Standards:
Use only in a chemical fume hood.
Engineering Controls:
Wear appropriate NIOSH/MSHA-approved respirator, chemical-resistant gloves, safety
Personal Protection:
goggles, other protective clothing. Avoid all contact. Do not breath dust. Avoid prolonged or
repeated exposure. Wash thoroughly after handling.
Flammability: Not flammable under conditions of use
SAFE HANDLING INFORMATION
Keep tightly closed. Store in a cool dry place.
Storage and
Transport:
Remove all sources of ignition. Ventilate area of leak or spill. War appropriate personal
Spills and Disposal:
protective equipment. Clean up spills in a manner that does not disperse dust into the air. Use
non-sparking tools and equipment. Reduce airborne dust and prevent scattering by moistening
with water. Pick up spill for recovery or disposal and place in a closed container.
Produces toxic fumes of carbon monoxide and carbon dioxide on combustion. Extinguishing
Fire/Explosion
media : water spray, carbon dioxide, dry chemical powder, alcohol or polymer foam. Special
Hazard:
firefighting procedures : Wear self-contained breathing apparatus and protective clothing to
prevent contact with skin and eyes.
OTHER INFORMATION
Strong oxidising agents, strong bases.
Incompatibilities
(Materials to avoid)
Oral-Rat: LD50: 2260mg/kg
Animal Toxicity Data:
IPR-Mouse: LD50: 120mg/kg
IMS-Mouse: LD50: 350mg/kg
Oral-Rabbit: LD50: 5mg/kg
The information published in this Material Safety Data Sheet has been compiled from data in various technical
publications. It is the user鈥檚 responsibility to determine the suitability of this information for adoption of necessary
safety precautions. We reserve the right to revise material Safety Data Sheets as new information becomes available.
Copies may be made for non-profit use.
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