Benzenesulfonic Anhydride TCI B1931

Chemical Identity

CAS No.: 512-35-6
PubChem: CID 11335509·SID 87564815
Formula: C12H10O5S2
Molecular weight: 298.3 g/mol
Purity: >96.0%(T)
Reference databases: ChemSpider·ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: benzenesulfonyl benzenesulfonate
SMILES: C1=CC=C(C=C1)S(=O)(=O)OS(=O)(=O)C2=CC=CC=C2
InChIKey: MLWPJXZKQOPTKZ-UHFFFAOYSA-N

Rp 5.062.050,00

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Benzenesulfonic Anhydride (BCA), also known as TCI B1931 512-35-6, is a highly reactive chemical compound widely used in organic synthesis as a building block. It plays a critical role in laboratory settings where the formation of ester bonds and substitution reactions are required. Due to its anhydride sulfonate structure, BCA is a versatile reagent that enables the synthesis of complex organic molecules with high reactivity and chemical stability. This compound is particularly valuable in research that demands precise chemical transformations and controlled reaction conditions.

The key properties that make BCA a preferred choice include its polarity, solubility in organic solvents, and reactivity in nucleophilic and basic conditions. Its ability to participate in a wide range of chemical reactions makes it a reliable component in synthetic pathways. Additionally, BCA’s stability under certain conditions allows for consistent performance in laboratory experiments. These characteristics make it a go-to reagent for chemists working on advanced organic synthesis projects.

In Indonesian laboratories, BCA is commonly used in the development of pharmaceutical compounds, industrial chemicals, and synthetic products. Its reactivity and chemical stability make it an essential tool for researchers aiming to create complex molecular structures. Due to its high reactivity, it is often used in controlled environments to ensure safe and effective chemical synthesis processes.

TCI brochures (PDF)

Sulfonylation Reagents 2023-01-20 · p. 4
Protecting Agents 2025-03-25 · p. 11

Related TCI products

Synthesis of complex sulfonate-containing organic compounds due to its reactivity and ability to form ester bonds.
Production of pharmaceutical intermediates where controlled chemical transformations are necessary.
Development of industrial chemicals requiring high reactivity and stability in synthetic pathways.
Research in organic chemistry focused on nucleophilic and basic reaction mechanisms.
Creation of synthetic products with specific chemical structures and functional groups.

Brand	TCI
CAS number	512-35-6
Molecular formula	—
Purity	—
Category	Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Pack sizes	—
Physical form	—
Storage	Store in a cool, dry place away from moisture and incompatible materials.

Benzenesulfonic Anhydride should be stored in a cool, dry environment to maintain its chemical stability. It is recommended to keep it in a sealed container to prevent exposure to moisture and air. Due to its reactivity, it should be handled in a well-ventilated area, ideally under a fume hood. Avoid contact with incompatible substances such as strong bases or nucleophiles to prevent unintended reactions. Always use appropriate personal protective equipment, including gloves and safety goggles, when handling this compound. Proper storage and handling are essential to ensure the safety of laboratory personnel and the integrity of the compound.

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