Hebei Shengang Trading Co.,Ltd(expird)
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- Free
supplier - 9th
years
Free supplier
Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
CAS NO.103-90-2
Hebei Shengang Trading Co., Ltd is an experienced enterprise of supplier various kind pharmaceutical intermediates.
Our R&D center also offer custom synthesis services.
1.we have rich experience in this field.
2.we can provide competitive price for every customer and guarantee the quality of our goods.
3.we are attention to every customer's requirements and make a good relationship with them.
4.We have a long business relationship with many countries, such as Canada, Mexico, Brazil, United Kingdom, Russia, Germany, India, South Africa, Malta, Egypt, Armenia, Australia, Philippines, Belgium, Netherlands, Denmark ect.
if you have any other questions to consult me.please not hesitate to contact me at any time.
We just sell the products which are legal in china .And all products are only sold to labs for research.
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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
