Imazapyr

Name: Imazapyr
Brand: Vaqora Chemicals
SKU: VQ-039931

About Imazapyr

Vaqora Chemicals supplies Imazapyr, an analytical reagent registered under CAS number 81334-34-1. With the molecular formula C13H15N3O3, it has a molar mass of 261.28 g/mol. Its systematic (IUPAC) name is 2-(4-methyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)pyridine-3-carboxylic acid. It is also known as Arsenal 250A or Imazapyr acid.

Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for agrochemical formulations and laboratory analysis. Typical end-use sectors are academic and industrial research and agrochemical production.

Vaqora Chemicals supplies Imazapyr in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Agrochemical formulations
Laboratory analysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Imazapyr
Catalogue No.	VQ-039931
CAS Number	81334-34-1
IUPAC name	2-(4-methyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)pyridine-3-carboxylic acid
Molecular formula	C₁₃H₁₅N₃O₃
Molecular weight	261.28 g/mol
Exact mass	261.1113
InChIKey	CLQMBPJKHLGMQK-UHFFFAOYSA-N
SMILES	CC(C)C1(C(=O)NC(=N1)C2=C(C=CC=N2)C(=O)O)C
PubChem CID	54738

Physical properties
Physical form	Other
LogP (XLogP3)	1.2
H-bond donors / acceptors	2 / 5
TPSA	91.7 Å²
Synonyms	Arsenal 250A, 2-(4-Isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid, 2-(5-methyl-4-oxo-5-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl)pyridine-3-carboxylic acid, 2-[5-methyl-4-oxo-5-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl]pyridine-3-carboxylic acid, Imazapyr acid, 2-(4-isopropyl-4-methyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)nicotinic acid, 2-[4-methyl-5-oxo-4-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl]pyridine-3-carboxylic acid, Imazapyr [ANSI:BSI:ISO], Powerline, Clearsol DF

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P264 + P265, P273, P280, P305 + P351 + P338, P337 + P317, 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 Imazapyr?

The CAS Registry Number of Imazapyr is 81334-34-1. It is also known as Arsenal 250A, 2-(4-Isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid, 2-(5-methyl-4-oxo-5-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl)pyridine-3-carboxylic acid.

What is the molecular formula and molecular weight of Imazapyr?

Imazapyr has the molecular formula C13H15N3O3 and a molecular weight of 261.28 g/mol. Its IUPAC name is 2-(4-methyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)pyridine-3-carboxylic acid.

Which grade and pack sizes of Imazapyr can I order?

We supply Imazapyr, 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 Imazapyr?

Yes. Every lot of Imazapyr 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 Imazapyr be shipped internationally?

Yes. Imazapyr 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.