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100 Kilogram |
FOB Price:USD 180.0000 -190.0000 |
Naphazoline HCl Naphazoline hydrochloride 2-(1-Naphthylmethyl)imidazoline hydrochloride
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cas no.:550-99-2
other names:naphconforte
mf:c14h15cln2
einecs no.:208-989-2
place of origin: anhui,china (mainland)
type:auxiliaries and other medicinal chemicals
grade standard:cosmetic grade, feed grade, food grade, medicine grade, tech grade
usage:animal pharmaceuticals
brand name:joye
purity:99%
color: white
appearance:white powder
application:pharmaceutical raw materials
product name:naphazoline hydrochloride
other name:sanorin-spofa
melting point:254.0-260.0 °c
assay:99.0%~101.00%
product description
item |
standard |
test results |
|
identification |
a.h-nmr:comply with the structure |
complies |
|
b.lc-ms:comply with the structure |
complies |
||
c.the ir spectrum of sample should be identical with that of reference standard; |
complies |
||
d.hplc-esi-ms the retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the standard preparation, as obtained in the assay. |
complies |
||
crystallinity |
meets the requirements. |
complies |
|
loss on drying |
≤2.0% |
0.19% |
|
heavy metals |
≤10 ppm |
<10ppm |
|
water |
≤1.0% |
0.1% |
|
sulphated ash |
≤0.5%, determined on 1.0 g. |
0.009% |
|
related substances |
unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
total impurity |
≤0.5% |
0.18% |
|
purity |
≥99.0% |
99.7% |
|
assay |
99.0%~101.0% (anhydrous substance). |
99.8% |
|
microbiological analysis |
|||
total plate count |
≤1000cfu/g |
complies |
|
yeast and moulds |
≤100cfu/g |
complies |
|
e. coli. |
absent |
negative |
|
salmonella |
absent |
negative |
|
s.aureus |
absent |
negative |
|
storage |
preserve in well-closed, light-resistant and airtight containers. |
complies |
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