USD $100.00-150.00 / Kilogram
product name: (4-chloro-2-methylphenoxy)acetic acid
alias: acetic acid, (4-chloro-2-methylphenoxy)-;metaxon;mcpa;chiptox;agroxon
cas no.: 94-74-6
molecular formula: c9h9clo3
molecular weight: 200.61900
physical and chemical properties:
appearance & properties: white powder
density: 1.313 g/cm3
melting point: 114-118 °c(lit.)
boiling point: 327ºc at 760 mmhg
flash point: 2 °c
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 |
||
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% |
|
storage |
preserve in well-closed, light-resistant and airtight containers. |
complies |