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Specifications of Reagent Grade

Items	Unit	Specification	Test Method
Assay	%	99.9 min.	Calculation
Color	APHA-No.	Below 10	Visual color comparison check
Specific gravity (20°C/20°C)	-	0.782~0.785	Hydrometer
Boiling range	°C	80~82	Distillation test method (JIS K 6759)
Water content	ppm	Below 500	Water (H₂O) by Karl Fischer (volumetric analysis)
Acetone	ppm	Below 5	Gas chromatography (FID)
Acrylonitrile	ppm	Below 3	Gas chromatography (FID)
Allyl alcohol	ppm	Below 30	Gas chromatography (FID)
Propionitrile	ppm	Below 150	Gas chromatography (FID)
Hydrocyanic acid	ppm	Below 10	Silver nitrate titration (Liebig & Deniges method)
Copper	ppm	Below 0.1	Colorimetric determination
Iron	ppm	Below 0.1	Colorimetric determination
Acidity (as acetic acid)	ppm	Below 50	Neutralization titration (non-aqueous)
Free ammonia	ppm	Below 6	Neutralization titration
UV transmittance (200 nm)	%	Above 50	Ultraviolet-visible spectrophotometer

Notes:
1) As the values show in the specification clumn may be revised hereinafter, please confirm the specifications to Asahi Kasei Chemicals before using this product .

2) Asahi Kasei Chemicals guarantees only that this product meets the stated specifications or revised specifications, and assumes no responsibility or liability for problems or damages arising out of or in connection with the use of the on- specification product.

3)Product is available with improved specifications on special-order basis.

Please contact us for more information.