Ethyl p-Toluenesulfonate TCI T0268

Chemical Identity

CAS No.: 80-40-0
PubChem: CID 6638·SID 87576247
Formula: C9H12O3S
Molecular weight: 200.26 g/mol
Purity: >98.0%(GC)
Reference databases: ChemSpider·ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: ethyl 4-methylbenzenesulfonate
SMILES: CCOS(=O)(=O)C1=CC=C(C=C1)C
InChIKey: VRZVPALEJCLXPR-UHFFFAOYSA-N

Rp 557.550,00

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Ethyl p-Toluenesulfonate (ETP) is a chemical compound widely utilized in organic laboratory reactions. As an ester, it serves as a versatile reagent that can participate in various synthetic pathways. Its role as a sulfonate donor makes it particularly valuable in reactions involving amines, alcohols, and alkali metals. This compound is commonly used in the synthesis of complex organic molecules, making it an essential tool for chemists working in both academic and industrial settings. Its ability to undergo nucleophilic substitution and other reaction mechanisms enhances its utility in a broad range of chemical processes.

One of the key properties that make ETP a preferred choice is its solubility in common organic solvents such as ethyl acetate, acetone, and ethanol. This solubility allows for easy handling and manipulation in different experimental conditions. Additionally, ETP exhibits good stability under controlled laboratory environments, which simplifies storage and usage. These characteristics contribute to its popularity among researchers and students who require reliable and consistent reagents for their experiments.

In Indonesian laboratories, ETP is frequently employed by chemists, students, and educational institutions. Its application spans across pharmaceutical research, industrial chemical production, and general organic synthesis. The compound’s reliability and versatility make it a staple in both teaching and research laboratories, supporting a wide array of chemical investigations and experiments.

TCI brochures (PDF)

Alkylation Reagents for Ester Synthesis 2026-04-06 · p. 4

Related TCI products

Organic synthesis reactions benefit from ETP's ability to act as a sulfonate donor, facilitating nucleophilic substitution and other key reaction mechanisms.
Pharmaceutical research utilizes ETP to synthesize complex molecules, supporting drug development and compound testing.
Industrial chemical production relies on ETP for its stability and reactivity, enabling efficient manufacturing processes.
Teaching laboratories use ETP to demonstrate fundamental organic chemistry principles and reaction mechanisms.
Analytical chemistry applications benefit from ETP's solubility and reactivity, supporting various analytical techniques and experiments.

Brand	TCI
CAS number	80-40-0
Molecular formula	—
Purity	—
Category	Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Pack sizes	Available in standard laboratory quantities
Physical form	Solid powder
Storage	Store in a cool, dry place away from direct sunlight

Ethyl p-Toluenesulfonate should be stored in a cool, dry environment to maintain its stability and prevent degradation. It is recommended to keep the compound in a tightly sealed container to minimize exposure to moisture and air. Due to its chemical nature, it should be stored away from incompatible substances such as strong bases or oxidizing agents. Proper labeling of storage containers is essential for safety and identification. In laboratory settings, it is important to handle ETP with appropriate personal protective equipment, including gloves and safety goggles, to ensure safe handling and prevent accidental contact. Regular monitoring of storage conditions ensures the compound remains in optimal condition for use in experiments.

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