USD $5.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $5.00-10.00 / Gram
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USD $4.50-5.00 / Liter
USD $8.20-8.80 / Kilogram
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
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3-(4-methoxy-1-naphthoyl)propionic acid
cas no.3562-99-0
m.f:c15h14o4
m.w:258.27
appearance:pale yellow crystals
insolation item |
requirements |
test result |
appearance |
gray powder |
complies |
identification |
a.infrared spectrum should conform |
complies |
|
b.should conform |
complies |
chloride |
≤ 0. 01 % |
complies |
lose on drying |
≤ 0.5 % |
0.25% |
ignition residue |
≤0.01 % |
0.003 |
heavy mental |
≤20ppm |
11ppm |
assay(dry base) |
98.0%-100.0% |
99.4% |
conclusion:meet the requirements of usp32 |