BUTTPARK 99\18-37

Modify Date: 2026-07-07 17:27:06

BUTTPARK 99\18-37 Structure
BUTTPARK 99\18-37 structure
Common Name BUTTPARK 99\18-37
CAS Number 128564-57-8 Molecular Weight 247.00200
Density N/A Boiling Point N/A
Molecular Formula C6H3Cl2F3N2O Melting Point 100ºC
MSDS N/A Flash Point N/A

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Melting Point 100ºC
Molecular Formula C6H3Cl2F3N2O
Molecular Weight 247.00200
Exact Mass 245.95700
PSA 34.89000
LogP 2.47130
InChIKey YGIMKPAWLFTFLV-UHFFFAOYSA-N
SMILES Cn1nc(C(F)(F)F)c(C(=O)Cl)c1Cl

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

Name: 5-Chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl Material Safety Data Sheet
Synonym:
CAS: 128564-57-8
Section 1 - Chemical Product MSDS Name:5-Chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
128564-57-8 5-Chloro-1-methyl-3-(trifluoromethyl)- 97% unlisted
Hazard Symbols: C
Risk Phrases: 34

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Causes burns.Moisture sensitive.
Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
Causes gastrointestinal tract burns.
Inhalation:
Causes chemical burns to the respiratory tract.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Immediately 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 immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do not induce vomiting. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
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 foam, dry chemical, or carbon dioxide.

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:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Corrosives area. Store under an inert atmosphere.

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# 128564-57-8: 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: Not available.
Freezing/Melting Point: 100 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: C6H3Cl2F3N2O
Molecular Weight: 247

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

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 128564-57-8 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
5-Chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride - 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
Shipping Name: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.*
Hazard Class: 8
UN Number: 3265
Packing Group: III
IMO
Shipping Name: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3265
Packing Group: III
RID/ADR
Shipping Name: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3265
Packing group: III

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 34 Causes burns.
Safety Phrases:
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.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 128564-57-8: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 128564-57-8 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 128564-57-8 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes C:Corrosive
Risk Phrases R34
Safety Phrases S26-S36/37/39-S45
HS Code 2933199090

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  3

DownStream  0

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

5-chloro-1-methyl-3-trifluoromethylpyrazole-4-carboxylic acid chloride
5-chloro-1-methyl-3-trifluoromethylpyrazole-4-carboxylic chloride
5-chloro-1-methyl-3-trifluoromethylpyrazole-4-carbonyl chloride
5-chloro-1-methyl-3-trifluoromethylpyrazol-4-carboxylic acid chloride
5-chloro-3-trifluoromethyl-1-methylpyrazole-4-carbonyl chloride

 BUTTPARK 99\18-37 | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
A: CAS number of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride is 128564-57-8.
Q: What is the molecular weight of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
A: Molecular weight of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride is 247.00200.
Q: What is the InChIKey of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
A: InChIKey of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride is YGIMKPAWLFTFLV-UHFFFAOYSA-N.
Q: What is the melting point of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
A: Melting point of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride is 100ºC.
Q: What is the molecular formula of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
A: Molecular formula of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride is C6H3Cl2F3N2O.
Q: What is the safety information for 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
A: Safety information for 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride: S26-S36/37/39-S45.
Q: What English synonyms does 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride have?
A: English synonyms of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride: 5-chloro-1-methyl-3-trifluoromethylpyrazole-4-carboxylic acid chloride, 5-chloro-1-methyl-3-trifluoromethylpyrazole-4-carboxylic chloride, 5-chloro-1-methyl-3-trifluoromethylpyrazole-4-carbonyl chloride, 5-chloro-1-methyl-3-trifluoromethylpyrazol-4-carboxylic acid chloride, 5-chloro-3-trifluoromethyl-1-methylpyrazole-4-carbonyl chloride.
Q: What is the English name of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
A: The English name of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride is 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride.
Q: What is the SMILES notation of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
A: SMILES notation of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride is Cn1nc(C(F)(F)F)c(C(=O)Cl)c1Cl.
Q: What are the upstream materials of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
A: Related upstream materials(CAS) of 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride: 128455-63-0;128455-62-9;1481-02-3.

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