Propargite

Name: Propargite
Brand: Vaqora Chemicals
SKU: VQ-041724

About Propargite

Vaqora Chemicals supplies Propargite, an API reference standard registered under CAS number 2312-35-8. With the molecular formula C19H26O4S, it has a molar mass of 350.5 g/mol. The IUPAC name is [2-(4-tert-butylphenoxy)cyclohexyl] prop-2-ynyl sulfite. Common synonyms include Comite and Cyclosulfyne.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

As a reference sample of the parent drug substance, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Propargite in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material
Agrochemical formulations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Propargite
Catalogue No.	VQ-041724
CAS Number	2312-35-8
IUPAC name	[2-(4-tert-butylphenoxy)cyclohexyl] prop-2-ynyl sulfite
Molecular formula	C₁₉H₂₆O₄S
Molecular weight	350.5 g/mol
Exact mass	350.1552
Grade	Reference Standard
HSN code	38229090
InChIKey	ZYHMJXZULPZUED-UHFFFAOYSA-N
SMILES	CC(C)(C)C1=CC=C(C=C1)OC2CCCCC2OS(=O)OCC#C
PubChem CID	4936

Physical properties
Physical form	Solid
LogP (XLogP3)	5
H-bond donors / acceptors	0 / 5
TPSA	64 Å²
Synonyms	Comite, Cyclosulfyne, Omite 57E, Uniroyal D014, Naugatuck D-014, Omite 85E, omite-CR, 2-(p-tert-Butylphenoxy)cyclohexyl propargyl sulfite, 2-(p-tert-Butylphenoxy)cyclohexyl 2-propynyl sulfite, 2-(p-t-Butylphenoxy)cyclohexyl propargyl sulfite, 2-(4-tert-Butylphenoxy)cyclohexyl prop-2-ynyl sulfite

Safety & hazard information (GHS)

Corrosive

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H315Causes skin irritation
H318Causes serious eye damage
H331Toxic if inhaled
H351Suspected of causing cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P354 + P338, P316, P317, P318, P321, P332 + P317, P362 + P364, P391, P403 + P233, 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 Propargite?

The CAS Registry Number of Propargite is 2312-35-8. It is also known as Comite, Cyclosulfyne, Omite 57E.

What is the molecular formula and molecular weight of Propargite?

Propargite has the molecular formula C19H26O4S and a molecular weight of 350.5 g/mol. Its IUPAC name is [2-(4-tert-butylphenoxy)cyclohexyl] prop-2-ynyl sulfite.

Which grade and pack sizes of Propargite can I order?

We supply Propargite in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Propargite?

Yes. Every lot of Propargite 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 Propargite be shipped internationally?

Yes. Propargite 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.