Trimethylsulphonium methyl sulphate, 98%

Name: Trimethylsulphonium methyl sulphate, 98%
Brand: Vaqora Chemicals
SKU: VQ-011010

About Trimethylsulphonium methyl sulphate, 98%

Vaqora Chemicals supplies Trimethylsulphonium methyl sulphate, an organosulfur compound registered under CAS number 2181-44-4, specified at 98% purity. With the molecular formula C4H12O4S2, it has a molar mass of 188.3 g/mol. Its systematic (IUPAC) name is methyl sulfate. Trimethylsulfanium. Alternative names: Trimethylsulfonium methyl sulfate and trimethylsulfonium methylsulfate.

The material typically appears as white to off-white powder or crystals. Literature values give a melting point of 92-94 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 5 g, 25 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Trimethylsulphonium methyl sulphate, 98%
Catalogue No.	VQ-011010
CAS Number	2181-44-4
IUPAC name	methyl sulfate;trimethylsulfanium
Molecular formula	C₄H₁₂O₄S₂
Molecular weight	188.3 g/mol
Exact mass	188.0177
Purity / assay	98%
HSN code	29332990
InChIKey	ANXKZXRDXAZQJT-UHFFFAOYSA-M
SMILES	COS(=O)(=O)[O-].C[S+](C)C
PubChem CID	2760871

Physical properties
Physical form	Crystalline
Appearance	White to off-white powder or crystals
Melting point	92-94 °C
H-bond donors / acceptors	0 / 4
TPSA	75.8 Å²
Synonyms	Trimethylsulfonium methyl sulfate, trimethylsulfonium methylsulfate, trimethylsulfanium methyl sulfate, trimethylsulphonium methylsulphate, trimethylsulfonium methyl sulphate, trimethyl sulfonium methyl sulfate, trimethylsulphonium methyl-sulphate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, 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 Trimethylsulphonium methyl sulphate, 98%?

The CAS Registry Number of Trimethylsulphonium methyl sulphate, 98% is 2181-44-4. It is also known as Trimethylsulfonium methyl sulfate, trimethylsulfonium methylsulfate, trimethylsulfanium methyl sulfate.

What is the molecular formula and molecular weight of Trimethylsulphonium methyl sulphate, 98%?

Trimethylsulphonium methyl sulphate, 98% has the molecular formula C4H12O4S2 and a molecular weight of 188.3 g/mol.

Which grade and pack sizes of Trimethylsulphonium methyl sulphate, 98% can I order?

We supply Trimethylsulphonium methyl sulphate, 98% in (98%) grade, in 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Trimethylsulphonium methyl sulphate, 98%?

Yes. Every lot of Trimethylsulphonium methyl sulphate, 98% 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 Trimethylsulphonium methyl sulphate, 98% be shipped internationally?

Yes. Trimethylsulphonium methyl sulphate, 98% 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.