EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.
Potential Health Effects
The toxicological properties of this material have not been investigated. Use appropriate procedures to prevent opportunities for direct contact with the skin or eyes and to prevent inhalation.

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Section 4 - FIRST AID MEASURES
Eyes: Not available.
Skin:
Not available.
Ingestion:
Not available.
Inhalation:
Not available.
Notes to Physician:

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Section 5 - FIRE FIGHTING MEASURES
General Information:
Not available.
Extinguishing Media:
Not available.

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Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Not available.

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Section 7 - HANDLING and STORAGE
Handling:
Not available.
Storage:
Not available.

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Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Exposure Limits CAS# 401-73-0: Personal Protective Equipment Eyes: Not available.
Skin:
Not available.
Clothing:
Not available.
Respirators:
Not available.

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Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Crystalline powder
Color: white - off-white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 214 - 217 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C4H3F3N2O
Molecular Weight: 152.08

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Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Not available.
Incompatibilities with Other Materials:
Not available.
Hazardous Decomposition Products:
Not available.
Hazardous Polymerization: Has not been reported.

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Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 401-73-0 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
3-(Trifluoromethyl)-4,5-dihydro-1h-pyrazol-5-one - Not listed by ACGIH, IARC, or NTP.

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Section 12 - ECOLOGICAL INFORMATION

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Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

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Section 14 - TRANSPORT INFORMATION

IATA
No information available.
IMO
No information available.
RID/ADR
No information available.

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Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 22 Do not breathe dust.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
WGK (Water Danger/Protection)
CAS# 401-73-0: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 401-73-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 401-73-0 is not listed on the TSCA inventory.
It is for research and development use only.

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SECTION 16 - ADDITIONAL INFORMATION
N/A