ITEMS

SPECIFICATION

APPEARANCE

WHITE OR ALMOST WHITE CRYSTALLINE POWDER ODORLESS

MELTING POINT

193~196°C

IDENTIFICATION

1. A.            IR SPECTRA IS CONSISTENT WITH CRS
2. B.            THE RETENTION TIME OF THE MAJOR PEAK IN THE CHROMATOGRAM OF THE ASSAY PREPARATION CORRESPONDS TO THAT IN THE CHROMATOGRAM OF THE STANDARD PREPARATION, AS OBTAINED IN THE ASSAY.

APPEARANCE OF SOLUTION

COLORLESS AND CLEAR LIQUID

FLUORIDES

≥12.0%

RE;ATED SUBSTANCES

INDIVIDUAL IMPURITY ≤0.5%

TOTAL IMPURITIES ≤1.0%

LOSS ON DRYING

≤0.5%

RESIDUE ON IGNITION

≤0.1%

HEAVY METALS

LESS THAN OR EQUAL TO 10 MILLIONTHS

ASSAY

CONTENT OF C₁₈H₁₄F₃N₃O₄S (ON DRIED BASIS) ≥98.0%