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Name:
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Pyrithyldione 98% Material Safety Data Sheet
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Synonym:
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Didropyridine; 3,3-Diethyl-2,4-pyridinedione; 3,3-Diethyl-2,4-(1H,3H)-pyridinedione; Dihydroprylone; Pyridione; Pyrithyldion
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CAS:
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77-04-3
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Section 1 - Chemical Product
MSDS Name:Pyrithyldione 98% Material Safety Data Sheet
Synonym:Didropyridine; 3,3-Diethyl-2,4-pyridinedione; 3,3-Diethyl-2,4-(1H,3H)-pyridinedione; Dihydroprylone; Pyridione; Pyrithyldion
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
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CAS#
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Chemical Name
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content
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EINECS#
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77-04-3
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Pyrithyldione
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98
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201-000-5
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Hazard Symbols: XN
Risk Phrases: 20/21
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Harmful by inhalation and in contact with skin.Harmful.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. The toxicological properties of this material have not been fully investigated.
Ingestion:
The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed. May cause central nervous system depression.
Inhalation:
The toxicological properties of this substance have not been fully investigated. May cause irritation of the mucous membranes.
Chronic:
Not available.
Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid. Flush skin with plenty of soap and water.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a 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.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or appropriate foam.
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage:
Keep containers tightly closed. Store in a cool, dry area away from incompatible substances.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 77-04-3: Personal Protective Equipment Eyes: 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:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Powder
Color: white
Odor: none reported
pH: Acidic in aq soln.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 187.0 - 189.0 deg C @ 14.00mm
Freezing/Melting Point: 81-86 deg C, 92-93 deg C,
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Moderately Soluble.
Specific Gravity/Density: Not available.
Molecular Formula: C9H13NO2
Molecular Weight: 167.21
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, strong oxidants.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 77-04-3: UT2810530 LD50/LC50:
CAS# 77-04-3: Oral, rat: LD50 = 780 mg/kg.
Carcinogenicity:
Pyrithyldione - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
Section 12 - ECOLOGICAL INFORMATION
Other No information available.
Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.
Section 14 - TRANSPORT INFORMATION
IATA
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.*
Hazard Class: 6.1
UN Number: 2811
Packing Group: III
IMO
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing Group: III
RID/ADR
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing group: III
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 20/21 Harmful by inhalation and in contact with
skin.
Safety Phrases:
S 23 Do not inhale gas/fumes/vapour/spray.
WGK (Water Danger/Protection)
CAS# 77-04-3: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 77-04-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 77-04-3 is not listed on the TSCA inventory.
It is for research and development use only.
SECTION 16 - ADDITIONAL INFORMATION N/A
