Assay(By GC-FID)

≥99.98%

Color

≤5 APHA

Fluorescence at emission maximum for impurities at

250 nm

≤1 ppb

Identification by IR Spectroscopy

Passes Test

Baseline shift

210 nm

≤30 mAU

GC-ECD Responsive residue (single peak) (as Heptachlorepoxide)

≤10 ppb

GC-FID Responsive residue(single peak)(as 2-Octanol)

≤5 ppb

LC gradient elution suitability at

210 nm

≤3 mAU

254 nm

≤0.5 mAU

Residue after evaporation

≤1 mg/L

Titrable acid

≤0.001 meq/g

Titrable base

≤0.001 meq/g

Water（by KF coulometry）

≤0.01%

Optical absorbance at

254-400 nm

≤0.005 AU

189 nm

≤1.00 AU

190 nm

≤1.00 AU

195 nm

≤0.14 AU

200 nm

≤0.05 AU

205 nm

≤0.05 AU

210 nm

≤0.04 AU

214 nm

≤0.015 AU

220 nm

≤0.020 AU

225 nm

≤0.010 AU

230 nm

≤0.010 AU

235 nm

≤0.005 AU

250 nm

≤0.005 AU

254 nm

≤0.005 AU

270 nm

≤0.005 AU

280 nm

≤0.010 AU

350 nm

≤0.005 AU

400 nm

≤0.005 AU