1-Methyl-3-(trifluoromethyl)-1H-pyrazole

Modify Date: 2024-01-08 18:50:02

1-Methyl-3-(trifluoromethyl)-1H-pyrazole Structure
1-Methyl-3-(trifluoromethyl)-1H-pyrazole structure
Common Name 1-Methyl-3-(trifluoromethyl)-1H-pyrazole
CAS Number 154471-65-5 Molecular Weight 150.102
Density 1.3±0.1 g/cm3 Boiling Point 137.7±35.0 °C at 760 mmHg
Molecular Formula C5H5F3N2 Melting Point N/A
MSDS N/A Flash Point 37.1±25.9 °C

 Names

Name 1-Methyl-3-(trifluoromethyl)-1H-pyrazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 137.7±35.0 °C at 760 mmHg
Molecular Formula C5H5F3N2
Molecular Weight 150.102
Flash Point 37.1±25.9 °C
Exact Mass 150.040482
PSA 17.82000
LogP 1.14
Vapour Pressure 8.6±0.2 mmHg at 25°C
Index of Refraction 1.444

 MSDS

Name: 1-Methyl-3-(trifluoromethyl)-1H-pyrazole 97% Material Safety Data Sheet
Synonym:
CAS: 154471-65-5
Section 1 - Chemical Product MSDS Name:1-Methyl-3-(trifluoromethyl)-1H-pyrazole 97% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
154471-65-5 1-Methyl-3-(trifluoromethyl)-1H-pyrazo 97% unlisted
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. May be harmful if inhaled.
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.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately.
Notes to Physician:
Treat symptomatically and supportively.

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.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container.

Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 154471-65-5: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Liquid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 82 deg C
Freezing/Melting Point: Not available.
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: C5H5F3N2
Molecular Weight: 150.1

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide, fluorine, hydrogen fluoride gas.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 154471-65-5 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
1-Methyl-3-(trifluoromethyl)-1H-pyrazole - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION


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

Section 14 - TRANSPORT INFORMATION

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

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 154471-65-5: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 154471-65-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 154471-65-5 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Hazard Codes Xi
Safety Phrases S22-S24/25
HS Code 2933199090

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1H-Pyrazole, 1-methyl-3-(trifluoromethyl)-
MFCD00179867
1-Methyl-3-(trifluoromethyl)-1H-pyrazole
1-methyl-3-(trifluoromethyl)pyrazole
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