USD $5.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $5.00-10.00 / Gram
USD $75.00-150.00 / Kilogram
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
high quality paracetamol/cas 103-90-2
1.basic information:
paracetamol
4-acetamidophenol
4-acetaminophenol;
n-(4-hydroxyphenyl)-acetamide;
4'-hydroxyacetanilide
cas. no. : 103-90-2
formula: c8h9no2
molecular weight: 151.170
assay: 99.0%min.
appearance: white crystalline powder
packing: 25kg pp woven bag or cardboard drum
delivery: within 7 days after payment received
melting point: 168-172
standard: usp32 or higher grade
high quality paracetamol/cas 103-90-2
1.basic information:
paracetamol
4-acetamidophenol
4-acetaminophenol;
n-(4-hydroxyphenyl)-acetamide;
4'-hydroxyacetanilide
cas. no. : 103-90-2
formula: c8h9no2
molecular weight: 151.170
assay: 99.0%min.
appearance: white crystalline powder
packing: 25kg pp woven bag or cardboard drum
delivery: within 7 days after payment received
melting point: 168-172
standard: usp32 or higher grade
2.specification:
tests |
standards |
results |
|
appearance |
white or almost white ,crystalline powder. |
white,crystalline powder. |
|
identification |
a:ir absorption |
complies |
complies |
b:uv absorption |
complies |
complies |
|
c:tlc |
complies |
complies |
|
melting point |
168~172°c |
169.0~170.9°c |
|
water |
not more than0.5% |
0.08% |
|
related substance |
impurity(chloroacetanilide)not more than 10 ppm |
2ppm |
|
impurity k(4-aminophenol)not more than 50 ppm |
15 ppm |
||
impurity f(4-nitrophenol)not more than 0.05% |
not detected |
||
any other impurity not more than 0.05% |
0.01% |
||
total of other impurities not more than 0.1% |
0.02% |
||
residue on ignition |
not more than 0.1% |
0.05% |
|
chloride |
not more than 0.014% |
less than 0.014% |
|
sulfate |
not more than 0.02% |
less than 0.02% |
|
sulfide |
conforms |
conforms |
|
heavy metals |
not more than 0.001% |
less than 0.001% |
|
free p-aminophenol |
not more than 0.005% |
less than 0.005% |
|
limit of p-chloroacetanilide |
not more than 0.001% |
less than 0.001% |
|
readily carbonizable substances |
conforms |
conforms |
|
residual solvents |
residual content of acetic acid is limited by the test of loss on dryingnot more than0.5% |
0.08% |
|
assay(anhydrous basis) |
99.0~101.0% |
99.6% |
|
conclusion: complies with usp34/ bp2011 |
3.application: pharm. raw material
4.picture: