Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate

Modify Date: 2026-07-07 12:15:34

Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate Structure
Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate structure
Common Name Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate
CAS Number 720-01-4 Molecular Weight 254.594
Density 1.4±0.1 g/cm3 Boiling Point 230.6±40.0 °C at 760 mmHg
Molecular Formula C8H6ClF3N2O2 Melting Point 36 °C
MSDS USA Flash Point 93.3±27.3 °C

Summary: Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate (Chinese name: 4-chloro-2-trifluoromethylpyrimidine-5-ethyl ester), CAS number: 720-01-4, molecular formula: C8H6ClF3N2O2, molecular weight: 254.594, melting point: 36 °C, boiling point: 230.6±40.0 °C, density: 1.4±0.1 g/cm3. For research-use only, not for medical or clinical usage.


 Names

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

Name Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate
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.

Density 1.4±0.1 g/cm3
Boiling Point 230.6±40.0 °C at 760 mmHg
Melting Point 36 °C
Molecular Formula C8H6ClF3N2O2
Molecular Weight 254.594
Flash Point 93.3±27.3 °C
Exact Mass 254.006989
PSA 52.08000
LogP 1.51
Vapour Pressure 0.1±0.5 mmHg at 25°C
Index of Refraction 1.466
InChIKey DSULCDCBENGHAX-UHFFFAOYSA-N
SMILES CCOC(=O)c1cnc(C(F)(F)F)nc1Cl

 MSDS

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

Name: Ethyl 4-chloro-2-(trifluoromethyl)pyrimidine-5-carboxylate 97% Material Safety Data Sheet
Synonym:
CAS: 720-01-4
Section 1 - Chemical Product MSDS Name:Ethyl 4-chloro-2-(trifluoromethyl)pyrimidine-5-carboxylate 97% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
720-01-4 Ethyl 4-chloro-2-(trifluoromethyl)pyri 97% unlisted
Hazard Symbols: XI
Risk Phrases: 36/37/38

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
Causes 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. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
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:
Vacuum or sweep up material and place into a suitable disposal 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:
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# 720-01-4: 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: Solid
Color: colorless - pale yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 84 deg C @15mmHg
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: C8H6ClF3N2O2
Molecular Weight: 255

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Oxidizing agents, reducing agents, bases, amines.
Hazardous Decomposition Products:
Hydrogen chloride, chlorine, hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon dioxide, fluorine, hydrogen fluoride gas.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 720-01-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Ethyl 4-chloro-2-(trifluoromethyl)pyrimidine-5-carboxylate - 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: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 720-01-4: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 720-01-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 720-01-4 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 Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36/37/39-S37/39
HS Code 2933599090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~98%

Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate Structure

Ethyl 4-chloro-...

CAS#:720-01-4

Learn More
Literature: SmithKline Beecham p.l.c. Patent: US2004/167142 A1, 2004 ; Location in patent: Page/Page column 23 ;

~%

Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate Structure

Ethyl 4-chloro-...

CAS#:720-01-4

Learn More
Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 10, # 15 p. 1645 - 1648

 Customs

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

HS Code 2933599090
Summary 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring 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.

Ethyl 4-chloro-2-(trifluoromethyl)pyrimidine-5-carboxylate
MFCD00173897
ethyl4-chloro-2-(trifluoromethyl)pyrimidine-5-carboxylate

  | FAQ

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

Q: What is the molecular formula of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate?
A: Molecular formula of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate is C8H6ClF3N2O2.
Q: What is the boiling point of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate?
A: Boiling point of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate is 230.6±40.0 °C at 760 mmHg.
Q: What is the safety information for Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate?
A: Safety information for Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate: S26-S36/37/39-S37/39.
Q: What is the English name of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate?
A: The English name of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate is Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate.
Q: What is the LogP of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate?
A: LogP of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate is 1.51.
Q: What is the molecular weight of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate?
A: Molecular weight of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate is 254.594.
Q: What is the InChIKey of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate?
A: InChIKey of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate is DSULCDCBENGHAX-UHFFFAOYSA-N.
Q: What is the CAS number of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate?
A: CAS number of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate is 720-01-4.
Q: What is the polar surface area (PSA) of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate?
A: Polar surface area (PSA) of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate is 52.08000.
Q: What is the SMILES notation of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate?
A: SMILES notation of Ethyl 4-chloro-2-trifluoromethylpyrimidine-5-carboxylate is CCOC(=O)c1cnc(C(F)(F)F)nc1Cl.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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