Ethanol-Stabilized Chloroform Specification Comparison

Sigma-Aldrich Chloroform Specifications Comparison Stabilized with Ethanol
	CHROMASOLV Plus	CHROMASOLV for HPLC	Biotech	Anyhydrous	ACS Spectro- photometric	ACS	ReagentPlus
Purity	≥99.9%	≥99.8%	≥99.8%	≥99%	≥99.8%	≥99.8%	≥99.8%
UV Absorption
λ: 245 nm	≤1.00	≤1.00			≤1.00
λ: 250 nm	≤0.30
λ: 255 nm		≤0.15			≤0.25
λ: 260 nm		≤0.15			≤0.15
λ: 270 nm		≤0.02			≤0.05
λ: 275 nm	≤0.005
λ: 290 nm		≤0.01			≤0.01
λ: 400 nm	≤0.005	≤0.01			≤0.01
Total Impurities
Stabilizer	0.5-1.0% Ethanol	0.5-1.0% Ethanol	0.5-1.0% Ethanol	0.5-1.0% Ethanol	0.5-1.0% Ethanol	0.5-1.0% Ethanol	0.5-1.0% Ethanol
Water	≤0.02%	≤0.01%	≤0.01%	≤0.001%	≤0.03%		≤0.03%
				≤0.005% (100mL)
Evaporation Residue	≤0.0001%	≤0.0003%	≤0.0003%	≤0.0003%	≤0.001%	≤0.001%
Halogenated Residue	≤10 ng/L (as Heptachlor epoxide)
Fluorescence 365 nm	≤0.5 ppb
Acetaldehyde		Passes Test			Passes Test	Passes Test
Acetone		Passes Test			Passes Test	Passes Test
Titratable acid					Passes Test	Passes Test
Free Chlorine		Passes Test	Passes Test		Passes Test	Passes Test
Formaldehyde		Passes Test			Passes Test	Passes Test
Lead		≤0.05 ppm	≤0.05 ppm		≤0.05 ppm	≤0.05 ppm
Packaging Options
	CHROMASOLV Plus	CHROMASOLV for HPLC	Biotech	Anyhydrous	ACS Spectro- photometric	ACS	ReagentPlus
Glass Bottle	650471	366927		288306	366919	319988	132950
PVC Coated Bottle		439142				437581	320242
Sure/Seal™			496189
Aluminum Bottle						676888
Pure-Pac™			496189
Carbon Steel						319988	132950

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