Sulfur trioxide pyridine complex, 97%

About Sulfur trioxide pyridine complex, 97%

Sulfur trioxide pyridine complex is a pyridine derivative carrying the CAS registry number 26412-87-3 at a purity of 97%. Its molecular formula is C5H5NO3S and its molecular weight is 159.17 g/mol. Systematically, it is named pyridine. Sulfur trioxide. Common synonyms include Pyridine sulfur trioxide complex and sulfur trioxide-pyridine.

It is supplied as white to beige powder or crystal or chunks. Reported physical data include a melting point of ~160 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 25 g, 100 g and 1 kg, 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	Sulfur trioxide pyridine complex, 97%
Catalogue No.	VQ-011894
CAS Number	26412-87-3
IUPAC name	pyridine;sulfur trioxide
Molecular formula	C₅H₅NO₃S
Molecular weight	159.17 g/mol
Exact mass	158.999
Purity / assay	97%
HSN code	29420090
InChIKey	UDYFLDICVHJSOY-UHFFFAOYSA-N
SMILES	C1=CC=NC=C1.O=S(=O)=O
PubChem CID	168533

Physical properties
Physical form	Crystalline
Appearance	White to beige powder or crystal or chunks
Melting point	~160 °C
H-bond donors / acceptors	0 / 4
TPSA	65.1 Å²
Synonyms	Pyridine sulfur trioxide complex, Sulfur Trioxide-Pyridine, Pyridine sulfur trioxide, Pyridine sulfotrioxide, Pyridine compound with sulfur trioxide (1:1), Pyridine, compound with sulphur trioxide, pyridine, sulfonylideneoxidane, SO3-Py, Pyridine-Sulfur Trioxide, SO3.Pyridine, Sulphur trioxide--pyridine (1:1)

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P260, P264, P264 + P265, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P321, P330, P332 + P317, P337 + P317, P362 + P364, P363, 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 Sulfur trioxide pyridine complex, 97%?

The CAS Registry Number of Sulfur trioxide pyridine complex, 97% is 26412-87-3. It is also known as Pyridine sulfur trioxide complex, Sulfur Trioxide-Pyridine, Pyridine sulfur trioxide.

What is the molecular formula and molecular weight of Sulfur trioxide pyridine complex, 97%?

Sulfur trioxide pyridine complex, 97% has the molecular formula C5H5NO3S and a molecular weight of 159.17 g/mol.

Which grade and pack sizes of Sulfur trioxide pyridine complex, 97% can I order?

We supply Sulfur trioxide pyridine complex, 97% in (97%) grade, in 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sulfur trioxide pyridine complex, 97%?

Yes. Every lot of Sulfur trioxide pyridine complex, 97% 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 Sulfur trioxide pyridine complex, 97% be shipped internationally?

Yes. Sulfur trioxide pyridine complex, 97% 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.