Isoprothiolane

Name: Isoprothiolane
Brand: Vaqora Chemicals
SKU: VQ-039932

About Isoprothiolane

Isoprothiolane (CAS 50512-35-1) is an analytical reagent offered by Vaqora Chemicals. Its molecular formula is C12H18O4S2 and its molecular weight is 290.4 g/mol. The IUPAC name is dipropan-2-yl 2-(1,3-dithiolan-2-ylidene)propanedioate. Common synonyms include Fuji-one and NKK 100.

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

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 Isoprothiolane 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	Isoprothiolane
Catalogue No.	VQ-039932
CAS Number	50512-35-1
IUPAC name	dipropan-2-yl 2-(1,3-dithiolan-2-ylidene)propanedioate
Molecular formula	C₁₂H₁₈O₄S₂
Molecular weight	290.4 g/mol
Exact mass	290.0647
InChIKey	UFHLMYOGRXOCSL-UHFFFAOYSA-N
SMILES	CC(C)OC(=O)C(=C1SCCS1)C(=O)OC(C)C
PubChem CID	39681

Physical properties
Physical form	Other
LogP (XLogP3)	3.3
H-bond donors / acceptors	0 / 6
TPSA	103 Å²
Synonyms	Fuji-one, NKK 100, bis(1-methylethyl) 1,3-dithiolan-2-ylidenepropanedioate, Di-isopropyl 1,3-dithiolane-2-ylidenemalonate, diisopropyl 1,3-dithiolan-2-ylidenemalonate, Propanedioic acid, 1,3-dithiolan-2-ylidene-, bis(1-methylethyl) ester, NNF 109, di(propan-2-yl) 1,3-dithiolan-2-ylidenemalonate, 1,3-Dithiolan-2-ylidenepropanedioic acid, bis(1-methylethyl) ester, 1,3-bis(propan-2-yl) 2-(1,3-dithiolan-2-ylidene)propanedioate, Diisopropyl 2-(1,3-dithiolan-2-ylidene)malonate, Fujione

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P264, P270, P273, P301 + P317, P330, P391, 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 Isoprothiolane?

The CAS Registry Number of Isoprothiolane is 50512-35-1. It is also known as Fuji-one, NKK 100, bis(1-methylethyl) 1,3-dithiolan-2-ylidenepropanedioate.

What is the molecular formula and molecular weight of Isoprothiolane?

Isoprothiolane has the molecular formula C12H18O4S2 and a molecular weight of 290.4 g/mol. Its IUPAC name is dipropan-2-yl 2-(1,3-dithiolan-2-ylidene)propanedioate.

Which grade and pack sizes of Isoprothiolane can I order?

We supply Isoprothiolane, 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 Isoprothiolane?

Yes. Every lot of Isoprothiolane 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 Isoprothiolane be shipped internationally?

Yes. Isoprothiolane 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.