Ethyl Acetate Specification Comparison chart by Sigma-Aldrich.

Sigma-Aldrich Ethyl acetate Specifications Comparison
	CHROMASOLV LC-MS	CHROMASOLV Plus	CHROMASOLV for HPLC	Biotech	Anhydrous	ACS Spectro- photometric	ACS	ReagentPlus
Purity	≥99.7%	≥99.9%	≥99.7%	≥99.8%	99.8%	≥99.5%	≥99.5%	≥99.5%
UV Absorption
λ: 254 nm				≤1.00
λ: 255 nm			≤0.70			≤1.00
λ: 256 nm		≤1.00
λ: 257 nm						≤0.50
λ: 260 nm	≤0.30		≤0.30
λ: 263 nm				≤0.05		≤0.10
λ: 270 nm			≤0.10
λ: 275 nm		≤0.05		≤0.01		≤0.05
λ: 300 nm	≤0.009	≤0.03	≤0.01
λ: 325 nm		≤0.005
λ: 330 nm						≤0.01
λ: 400 nm		≤0.005		≤0.01		≤0.01
Total Impurities
Water	≤0.03%	≤0.03%	≤0.03%	≤0.01%	≤0.005%	≤0.20%	≤0.20%	≤0.005 g / 100mL
Evaporation Residue	≤0.0005%	≤0.0001%	≤0.0005%	≤0.0003%	≤0.0005%	≤0.003%	≤0.003%	≤0.005%
Halogenated Residue		≤10 ng/L (as Heptachlor epoxide)
Fluorescence 365 nm		≤1.0 ppb
LC-MS suitability	Passes Test
Titratable acid			≤0.005% free acid (as CH₃COOH)	0.0009 meq/g		0.0009 meq/g	0.0009 meq/g
Alkalinity	≤0.0005% (NH3)
Calcium	0.1 ppm
Magnesium	0.1 ppm
Potassium	0.1 ppm
Sodium	0.1 ppm
Packaging Options
	CHROMASOLV LC-MS	CHROMASOLV Plus	CHROMASOLV for HPLC	Biotech	Anhydrous	ACS Spectro- photometric	ACS	ReagentPlus
Glass Bottle	34972	650528	34858			154857	319902	537446
PVC Coated Bottle			439169				437549
Sure/Seal^™				494518	270989
Aluminum Bottle							676810
NOWPAK^™			439169
Pure-Pac^™			34858		270989
Carbon Steel							319902	537446
Drum			439169				319902

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Specification Comparison