introduction：
product instruction:
structural formula：
molecular formula：c7h4clf3
molecular weight：180.6
cas no.： 98-56-6
specific gravity：1.334
refractive index：1.4460
specification：
appearance：colorless transparent liquid with aroma, stimulating
purity(%)：≥99.0
color(apha)：≤20
acidity(%)：≤0.001
water(%)：≤0.03
package：
250kg/plastic drum.
application：
intermediate of pesticide，medicine and dyes