NILE
CHEMICALS
NILE
CHEMICALS
2-THIOBARBITURIC ACID
Section 1: Chemical Product and Company Identification
Product Name: Thiobarbituric
Acid
CAS#: 504-17-6
Synonym: 2-Mercaptoburbituric
Acid; 4,6 Dihydroxy-2-Mercaptopyrimidine
Chemical Name: Thiobarbituric Acid
Chemical Formula: C4-H4-N2O-2-S
Section 2: Composition and Information on Ingredients Composition:
Name CAS # % by Weight
Thiobarbituric Acid AR 504-17-6 100
Toxicological Data on Ingredients: 2-Thiobarbituric
Acid: ORAL (LD50): Acute: >5000 mg/kg [Rat].
Section 3: Hazards Identification Potential Acute Health Effects:
Hazardous in case of skin contact (irritant), of eye contact
(irritant), of inhalation. Slightly hazardous in case of ingestion.
Potential Chronic Health Effects:
CARCINOGENIC EFFECTS: Not available.
MUTAGENIC EFFECTS: Not available.
TERATOGENIC EFFECTS: Not available.
DEVELOPMENTAL TOXICITY: Not available.
Repeated or prolonged exposure is not known to aggravate medical
condition.
Section 4: First Aid Measures Eye Contact:
Check for and remove any contact lenses. In case of contact,
immediately flush eyes with plenty of water for at least 15 minutes. Cold water
may be used. Get medical attention.
Skin Contact: In
case of contact, immediately flush skin with plenty of water. Cover the
irritated skin with an emollient. Remove contaminated clothing and shoes. Cold
water may be used.Wash clothing before reuse. Thoroughly clean shoes before
reuse. Get medical attention.
Serious Skin Contact: Wash with a disinfectant soap and cover the contaminated skin with
an anti-bacterial cream. Seek medical attention.
Inhalation: If
inhaled, remove to fresh air. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen. Get medical attention.
Serious Inhalation: Not available.
Ingestion: Do
NOT induce vomiting unless directed to do so by medical personnel. Never give
anything by mouth to an unconscious person. Loosen tight clothing such as a
collar, tie, belt or waistband. Get medical attention if symptoms appear.
Serious Ingestion: Not available.
Section 5: Fire and Explosion Data
Flammability of the Product: May be combustible at high temperature.
Auto-Ignition Temperature: Not available.
Flash Points: CLOSED
CUP: Higher than 93.3°C (200°F).
Flammable Limits: Not available.
Products of Combustion: These products are carbon oxides (CO, CO2), nitrogen oxides (NO,
NO2).
Fire Hazards in Presence of Various Substances:
Slightly flammable to flammable in presence of open flames and
sparks, of heat.
Non-flammable in presence of shocks.
Explosion Hazards in Presence of Various Substances:
Risks of explosion of the product in presence of mechanical impact:
Not available.
Risks of explosion of the product in presence of static discharge:
Not available.
Fire Fighting Media and Instructions:
SMALL FIRE: Use DRY chemical powder.
LARGE FIRE: Use water spray, fog or foam. Do not use water jet.
Special Remarks on Fire Hazards: Not
available.
Special Remarks on Explosion Hazards: Not
available.
Section 6: Accidental Release Measures Small Spill:
Use appropriate tools to put the spilled solid in a convenient
waste disposal container. Finish cleaning by spreading water on the contaminated
surface and dispose of according to local and regional authority requirements.
Large Spill: Use
a shovel to put the material into a convenient waste disposal container. Finish
cleaning by spreading water on the contaminated surface and allow to evacuate
through the sanitary system.
Section 7: Handling and Storage Precautions:
Keep away from heat. Keep away from sources of ignition. Empty
containers pose a fire risk, evaporate the residue under a fume hood. Ground all
equipment containing material. Do not ingest. Do not breathe dust. Wear suitable
protective clothing. In case of insufficient ventilation, wear suitable
respiratory equipment. If ingested, seek medical advice immediately and show the
container or the label. Avoid contact with skin and eyes. Keep away from
incompatibles such as oxidizing agents.
Storage: Keep
container tightly closed. Keep container in a cool, well-ventilated area. Do not
store above 23°C (73.4°F).
Section 8: Exposure Controls/Personal Protection Engineering
Controls:
Use process enclosures, local exhaust ventilation, or other
engineering controls to keep airborne levels below recommended exposure limits.
If user operations generate dust, fume or mist, use ventilation to keep exposure
to airborne contaminants below the exposure limit.
Personal Protection: Safety glasses. Lab coat. Gloves (impervious).
Personal Protection in Case of a Large Spill: Splash
goggles. Full suit. Boots. Gloves. Suggested protective clothing might not be
sufficient; consult a specialist BEFORE handling this product.
Exposure Limits: Not available.
Section 9: Physical and Chemical Properties
Physical state and appearance: Solid. (Solid powder.)
Odor: Unpleasant.
Stench
Taste: Not
available.
Molecular Weight: 144.15 g/mole
Color: Yellow.
(Light.)
pH (1% soln/water): Not available.
Boiling Point: Not available.
Melting Point: 245°C (473°F)
Critical Temperature: Not available.
Specific Gravity: Not available.
Vapor Pressure: Not applicable.
Vapor Density: Not available.
Volatility: Not
available.
Odor Threshold: Not available.
Water/Oil Dist. Coeff.: Not available.
Ionicity (in Water): Not available.
Dispersion Properties: See solubility in water.
Solubility: Soluble
in cold water, hot water.
Section 10: Stability and Reactivity Data
Stability: The
product is stable.
Instability Temperature: Not available.
Conditions of Instability: Excess heat, flame (ignition sources), air, incompatible materials
Incompatibility with various substances: Reactive
with oxidizing agents.
Corrosivity: Not
available.
Special Remarks on Reactivity: Might be air sensitive
Special Remarks on Corrosivity: Not available.
Polymerization: Will not occur.
Section 11: Toxicological Information
Routes of Entry: Inhalation. Ingestion.
Toxicity to Animals: Acute oral toxicity (LD50): >5000 mg/kg [Rat].
Chronic Effects on Humans: Not available.
Other Toxic Effects on Humans:
Hazardous in case of skin contact (irritant), of inhalation.
Slightly hazardous in case of ingestion.
Special Remarks on Toxicity to Animals: Not
available.
Special Remarks on Chronic Effects on Humans: Not
available.
Special Remarks on other Toxic Effects on Humans:
Acute Potential Health Effects:
Skin: May cause skin irritation.
Eyes: May cause eye irritation.
Ingestion: Expected to be a low ingestion hazard. May cause nausea,
and vomiting.
Inhalation: May cause respiratory tract irritation.
Chronic Potential Health Effects: no information available.
The toxicological properties of this substance have not been fully
investigated.
Section 12: Ecological Information
Ecotoxicity: Not
available.
BOD5 and COD: Not
available.
Products of Biodegradation:
Possibly hazardous short term degradation products are not likely.
However, long term degradation products may arise.
Toxicity of the Products of Biodegradation: The
product itself and its products of degradation are not toxic.
Special Remarks on the Products of Biodegradation: Not
available.
Section 13: Disposal Considerations Waste Disposal:
Waste must be disposed of in accordance with federal, state and
local environmental
control regulations.
Section 14: Transport Information
DOT Classification: Not a DOT controlled material (United States).
Identification: Not applicable.
Special Provisions for Transport: Not
applicable.
Section 15: Other Regulatory Information
Federal and State Regulations: TSCA 8(b) inventory: 2-Thiobarbituric Acid
Other Regulations: EINECS: This product is on the European Inventory of Existing
Commercial Chemical Substances.
Other Classifications:
WHMIS (Canada): Not controlled under WHMIS (Canada).
DSCL (EEC): R36-
Irritating to eyes. S26- In case of contact with eyes, rinse immediately with
plenty of water and seek medical advice. S39- Wear eye/face protection.
HMIS (U.S.A.):
Health Hazard: 2
Fire Hazard: 1
Reactivity: 0
Personal Protection: B
National Fire Protection Association (U.S.A.):
Health: 2
Flammability: 1
Reactivity: 0
Specific hazard:
Protective Equipment:
Gloves (impervious). Lab coat. Not applicable. Safety glasses.
Disclaimer: Nile Chemicals. provides the
information contained herein in good faith but makes no representation as to its
comprehensiveness or accuracy. This document is intended only as a guide to the
appropriate precautionary handling of the material by a properly trained person
using this product. Individuals receiving the information must exercise their
independent judgment in determining its appropriateness for a particular
purpose. NILE CHEMICALS. MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS
OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH
HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, NILE
CHEMICALS. WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE
UPON THIS INFORMATION.
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