Ethyl Acetate [for Spectrophotometry] TCI A0030

Chemical Identity

CAS No.: 141-78-6
PubChem: CID 8857·SID 87561733
Formula: C4H8O2
Molecular weight: 88.11 g/mol
Purity: >99.5%(GC)
Reference databases: ChEBI·ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: ethyl acetate
SMILES: CCOC(=O)C
InChIKey: XEKOWRVHYACXOJ-UHFFFAOYSA-N

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TCI A0030 Ethyl Acetate [for Spectrophotometry] is ethyl acetate supplied in a grade made specifically for spectrophotometric work. Ethyl acetate is one of the best-known carboxylic ester solvents in chemistry laboratories. It forms from acetic acid and ethanol and is widely used as a solvent, as a mobile phase component and as an extraction medium. The spectrophotometry grade has low background absorbance, so the solvent does not interfere with sample readings on a UV-Vis spectrophotometer. This makes it an important material for quantitative analysis that needs a clean baseline and repeatable results.

Analysts choose ethyl acetate for its moderate polarity. It dissolves a wide range of organic compounds, from plant secondary metabolites to synthetic active substances, without the aggressive solvating power of chlorinated solvents. Its relatively low boiling point means it evaporates easily when samples are concentrated on a rotary evaporator. It has a characteristic odour, and its toxicity is relatively low compared with many other solvents, which makes it more comfortable for routine daily use. In the spectrophotometry grade, controlled purity helps reduce interfering peaks and keeps blank corrections small, so the absorbance data you collect are more reliable.

In Indonesian laboratories, this solvent appears in university research groups, natural product and herbal medicine studies, pharmaceutical quality control units and industrial testing facilities. Researchers working on phytochemistry often use ethyl acetate to fractionate plant extracts and then measure those fractions directly by UV-Vis. Quality control analysts rely on a spectrophotometry-grade solvent for blank solutions and sample dilution, which keeps instrument readings consistent from batch to batch and from one analyst to the next during routine testing work.

Related TCI products

UV-Vis spectrophotometric analysis: the low background absorbance of this grade keeps the baseline clean, so the solvent does not mask or distort the absorbance of dissolved samples.
Blank and reference solutions: controlled purity reduces interfering peaks and keeps blank corrections small, which improves the accuracy of quantitative measurements on the spectrophotometer.
Liquid-liquid extraction of natural products: its moderate polarity extracts plant secondary metabolites efficiently without the harsher solvating behaviour of chlorinated solvents.
Sample concentration by rotary evaporation: the relatively low boiling point lets the solvent be removed quickly and gently, which helps protect heat-sensitive compounds during concentration.
Chromatographic mobile phase preparation: ethyl acetate is a common mobile phase component, and a high-quality grade helps produce consistent separations and repeatable analytical results.

Brand	TCI (product code A0030)
CAS number	141-78-6
Molecular formula	—
Purity	—
Category	Chemistry > Solvents > Carboxylic Ester Solvents
Pack sizes	available in the TCI pack sizes listed on the product page
Physical form	colourless liquid; keep tightly closed in a cool, well-ventilated place away from ignition sources
Storage	—

Grade: for Spectrophotometry

Store ethyl acetate in its original, tightly sealed container in a cool, dry and well-ventilated area, away from heat, sparks, open flames and strong oxidising agents. Ethyl acetate is a flammable organic solvent, so keep it in a cabinet suitable for flammable liquids. Close containers promptly after each use to limit evaporation and keep moisture or contaminants out, because contamination can raise background absorbance in spectrophotometric work. Handle it in a fume hood or a well-ventilated area, and wear safety glasses, chemical-resistant gloves and a laboratory coat. Do not inhale the vapour, and avoid contact with skin and eyes. Ground equipment when transferring larger volumes. Before use, read the supplier's Safety Data Sheet, and dispose of waste solvent according to your laboratory's chemical waste procedures.

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