Pyrithiobac sodium

About Pyrithiobac sodium

Pyrithiobac sodium is an analytical reagent carrying the CAS registry number 123343-16-8. With the molecular formula C13H10ClN2NaO4S, it has a molar mass of 348.74 g/mol. Its systematic (IUPAC) name is sodium 2-chloro-6-(4,6-dimethoxypyrimidin-2-yl)sulfanylbenzoate. Alternative names: Pyrithiobac sodium salt and KIH-2031.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for agrochemical formulations and laboratory analysis. It is used across academic and industrial research and agrochemical production.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export 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	Pyrithiobac sodium
Catalogue No.	VQ-040326
CAS Number	123343-16-8
IUPAC name	sodium 2-chloro-6-(4,6-dimethoxypyrimidin-2-yl)sulfanylbenzoate
Molecular formula	C₁₃H₁₀ClN₂NaO₄S
Molecular weight	348.74 g/mol
Exact mass	347.9948
InChIKey	CNILNQMBAHKMFS-UHFFFAOYSA-M
SMILES	COC1=CC(=NC(=N1)SC2=C(C(=CC=C2)Cl)C(=O)[O-])OC.[Na+]
PubChem CID	23682187

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 7
TPSA	110 Å²
Synonyms	Pyrithiobac sodium salt, sodium 2-chloro-6-[(4,6-dimethoxypyrimidin-2-yl)sulfanyl]benzoate, Sodium 2-chloro-6-(4,6-dimethoxypyrimidin-2-ylthio)benzoate, KIH-2031, Benzoic acid, 2-chloro-6-((4,6-dimethoxy-2-pyrimidinyl)thio)-, sodium salt, sodium 2-chloro-6-((4,6-dimethoxypyrimidin-2-yl)sulfanyl)benzoate, Pyrithiobac-sodium [ISO], 2-chloro-6-{(4,6-dimethoxy-2-pyrimidinyl)thio}benzoic acid sodium salt, Benzoic acid, 2-chloro-6-[(4,6-dimethoxy-2-pyrimidinyl)thio]-, sodium salt (1:1), Staple 85SP

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H319Causes serious eye irritation
H351Suspected of causing cancer
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P203, P260, P264 + P265, P273, P280, P305 + P351 + P338, P318, P319, P337 + P317, 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 Pyrithiobac sodium?

The CAS Registry Number of Pyrithiobac sodium is 123343-16-8. It is also known as Pyrithiobac sodium salt, sodium 2-chloro-6-[(4,6-dimethoxypyrimidin-2-yl)sulfanyl]benzoate, Sodium 2-chloro-6-(4,6-dimethoxypyrimidin-2-ylthio)benzoate.

What is the molecular formula and molecular weight of Pyrithiobac sodium?

Pyrithiobac sodium has the molecular formula C13H10ClN2NaO4S and a molecular weight of 348.74 g/mol. Its IUPAC name is sodium 2-chloro-6-(4,6-dimethoxypyrimidin-2-yl)sulfanylbenzoate.

Which grade and pack sizes of Pyrithiobac sodium can I order?

We supply Pyrithiobac sodium, 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 Pyrithiobac sodium?

Yes. Every lot of Pyrithiobac sodium 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 Pyrithiobac sodium be shipped internationally?

Yes. Pyrithiobac sodium 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.