Tebufenpyrad

Name: Tebufenpyrad
Brand: Vaqora Chemicals
SKU: VQ-039404

About Tebufenpyrad

Tebufenpyrad (CAS 119168-77-3) is an analytical reagent offered by Vaqora Chemicals. With the molecular formula C18H24ClN3O, it has a molar mass of 333.9 g/mol. Its systematic (IUPAC) name is N-[(4-tert-butylphenyl)methyl]-4-chloro-3-ethyl-1-methylpyrazole-5-carboxamide. Common synonyms include MK 239 and MK-239.

Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include agrochemical formulations and laboratory analysis. It is used across academic and industrial research and agrochemical production.

We offer Tebufenpyrad in 100 mg, 250 mg, 1 g and 5 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Agrochemical formulations
Laboratory analysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tebufenpyrad
Catalogue No.	VQ-039404
CAS Number	119168-77-3
IUPAC name	N-[(4-tert-butylphenyl)methyl]-4-chloro-3-ethyl-1-methylpyrazole-5-carboxamide
Molecular formula	C₁₈H₂₄ClN₃O
Molecular weight	333.9 g/mol
Exact mass	333.1608
InChIKey	ZZYSLNWGKKDOML-UHFFFAOYSA-N
SMILES	CCC1=NN(C(=C1Cl)C(=O)NCC2=CC=C(C=C2)C(C)(C)C)C
PubChem CID	86354

Physical properties
Physical form	Other
LogP (XLogP3)	4.5
H-bond donors / acceptors	1 / 2
TPSA	46.9 Å²
Synonyms	MK 239, N-(4-t-Butylbenzyl)-4-chloro-3-ethyl-1-methylpyrazole-5-carboxamide, MK-239, N-(4-tert-butylbenzyl)-4-chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxamide, N-[(4-tert-butylphenyl)methyl]-4-chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxamide, N-((4-tert-butylphenyl)methyl)-4-chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxamide, Tebufenpyrad [ISO], N-(4-(tert-Butyl)benzyl)-4-chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxamide, N-[(4-tert-butylphenyl)methyl]-4-chloro-5-ethyl-2-methylpyrazole-3-carboxamide, N-(4-tert-Butylbenzyl)-4-chloro-3-ethyl-1-methylpyrazole-5-carboxamide, N-[(4-tert-butylphenyl)methyl]-4-chloro-5-ethyl-2-methyl-pyrazole-3-carboxamide, N-(p-tert-butylbenzyl)-4-chloro-3-ethyl-1-methylpyrazole-5-carboxamide

Safety & hazard information (GHS)

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H317May cause an allergic skin reaction
H332Harmful if inhaled
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P264, P270, P271, P272, P273, P280, P301 + P316, P302 + P352, P304 + P340, P317, P319, P321, P330, P333 + P317, P362 + P364, P391, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Tebufenpyrad?

The CAS Registry Number of Tebufenpyrad is 119168-77-3. It is also known as MK 239, N-(4-t-Butylbenzyl)-4-chloro-3-ethyl-1-methylpyrazole-5-carboxamide, MK-239.

What is the molecular formula and molecular weight of Tebufenpyrad?

Tebufenpyrad has the molecular formula C18H24ClN3O and a molecular weight of 333.9 g/mol. Its IUPAC name is N-[(4-tert-butylphenyl)methyl]-4-chloro-3-ethyl-1-methylpyrazole-5-carboxamide.

Which grade and pack sizes of Tebufenpyrad can I order?

We supply Tebufenpyrad, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tebufenpyrad?

Yes. Every lot of Tebufenpyrad is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Tebufenpyrad be shipped internationally?

Yes. Tebufenpyrad is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.