Ethanol 200 Proof ≥99.5% HPLC Grade, Absolute Ethyl Alcohol

Ethyl Alcohol (Ethanol), ≥99.5%, HPLC/Spectrophotometric Grade, 200 Proof - 4L

SKU: 459828-4L
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For laboratory, institutional, and professional use only. Not available for residential or personal purchase. Orders are subject to verification.

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Ethyl alcohol (ethanol), ≥99.5% purity, HPLC/spectrophotometric grade, 200 proof, is a non-denatured, absolute ethanol designed for high-purity analytical applications requiring low UV absorbance and minimal residue.

This solvent is suitable for:

HPLC mobile phase preparation

UV/Vis spectrophotometric analysis

Pharmaceutical and regulated laboratory workflows

Organic synthesis and reaction media

Preparation of analytical standards and stock solutions

Manufactured to provide low UV absorption, minimal evaporation residue, and ≤0.2% water content, this 200 proof ethanol supports reproducible analytical results across research and regulated environments.

Greener Alternative designation aligns with renewable feedstock use and safer solvent principles.

For laboratory and industrial use only. Sales restrictions may apply.

Chemical Name: Ethanol
Synonyms: Ethyl alcohol; Absolute alcohol; Non-denatured ethanol
CAS Number: 64-17-5
Linear Formula: CH₃CH₂OH
Molecular Weight: 46.07 g/mol
Grade: HPLC / Spectrophotometric
Assay: ≥99.5%
Concentration: 200 proof
Water Content: ≤0.2%
Form: Liquid
Quality Level: 100
Primary Uses: HPLC solvent, UV/Vis solvent, organic synthesis

SPECIFICATIONS

Ethyl Alcohol (Ethanol), ≥99.5%, HPLC/Spectrophotometric Grade, 200 Proof

Chemical Formula: CH₃CH₂OH

CAS Number: 64-17-5

Molecular Weight: 46.07 g/mol

Assay: ≥99.5%

Water Content: ≤0.2%

Concentration: 200 proof

Form: Liquid

Quality Level: 100

Physical & Chemical Properties

Boiling Point: 78.3 °C

Melting Point: −114 °C

Density: 0.789 g/mL at 20 °C

Vapor Pressure: 57.26 hPa (19.6 °C)

Vapor Density: 1.59 (vs air)

Explosive Limits: 3.1–27.7%

Analytical Performance

Evaporation Residue: <0.001%

pH: 7.0 (20 °C, 10 g/L)

UV Absorption (H₂O reference):

210 nm: Amax 0.40

220 nm: Amax 0.25

230 nm: Amax 0.15

240 nm: Amax 0.05

270–400 nm: Amax 0.01

Chemical Identifiers

EC Number: 200-578-6

MDL Number: MFCD00003568

PubChem Substance ID: 329757034

SMILES: OCC

Storage Conditions

Store in tightly closed container

Flammable liquid — store in approved flammable storage area

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