USD $100.00-100.00 / Kilogram
USD $10.00-90.00 / Kilogram
USD $8.80-8.80 / Gram
USD $10.00-90.00 / Kilogram
USD $2.00-2.00 / Gram
USD $1.00-10.00 / Kilogram
USD $2.00-2.00 / Gram
USD $2.00-2.00 / Gram
98.0%min
appearance |
white or almost white crystalline powder; odorless, slightly bitter taste. this product is highly soluble in chloroform, easily soluble in acetone or acetonitrile.slightly soluble in methanol or ethanol, dissolved in 0.1mol / l hydrochloric acid or 0.1mol / l sodium hydroxide, almost insoluble or insoluble in water. |
identification |
|
melting point |
93~99℃ melting range should be within 3℃ |
clarity |
clear |
related substances |
single impurity:≤0.5% total impurities:≤1.0% |
dimethyl benzene |
≤0.03% |
ethanol |
≤0.5% |
loss on drying |
≤0.5% |
residue on ignition |
≤0.1% |
heavy metals |
≤10ppm |
microbal limit |
total count:≤1000cfu/g mold & yeast:≤100cfu/g e.coli:n.d. live mites:n.d.d |
assay (on drying basis) |
98%~102% |