Sulfur trioxide pyridine complex, technical, 48-50% active SO3, Thermo Scientific Chemicals

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Lewis acid

Specifications

Chemical Identifiers

• CAS: 26412-87-3
• Molecular Formula: C5H5NO3S
• Molecular Weight (g/mol): 159.16
• MDL Number: MFCD00012437
• InChI Key: UDYFLDICVHJSOY-UHFFFAOYSA-N
• Synonym: pyridine sulfur trioxide, sulfur trioxide pyridine complex, pyridine; sulfur trioxide, pyridine sulfotrioxide, pyridine compound with sulfur trioxide 1:1, sulfur trioxide, compd. with pyridine, pyridine-sulfur trioxide complex, active sulfure trioxide, sulfur trioxide-pyridine, pyridine-sulfur trioxide
• PubChem CID: 168533
• SMILES: O=S(=O)=O.C1=CC=NC=C1

• Melting Point: 155.0°C
• Color: White to Beige
• Infrared Spectrum: Authentic
• Packaging: Plastic bottle
• Linear Formula: SO₃·C₅H₅N
• Quantity: 100 g
• Beilstein: 20,19
• Fieser: 01,1127; 02,393; 03,275; 04,473; 08,391
• Solubility Information: Solubility in water: reacts. Other solubilities: soluble in conc. h2so4,hcl and hclo4,soluble in dmf
• IUPAC Name: pyridine; sulfonylideneoxidane
• Formula Weight: 159.16
• Percent Purity: 48-50% active SO3
• Grade: Technical
• Physical Form: Powder
• Chemical Name or Material: Sulfur trioxide pyridine complex, 48.8 to 50.3% active SO₃

Safety and Handling

Product Identifier

• Sulfur trioxide pyridine complex, 48-50% active SO3

Signal Word

• Warning

Hazard Category

• Acute toxicity Category 4
• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2

Hazard Statement

• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• H302-Harmful if swallowed.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P302+P352-IF ON SKIN: Wash with plenty of water/.
• P312-Call a POISON CENTER/doctor/if you feel unwell.
• P337+P313-If eye irritation persists: Get medical advice/attention.

RUO – Research Use Only