CAS No.: | 548-26-5 |
---|---|
Formula: | C20h8br4o5 |
EINECS: | 60-82-2 |
Classification: | Organic Analytical Reagents |
Grade: | AR |
Specific Usage: | For Tissue Medium Purpose, For Microbiological, For Lens Blooming, Super Special Grade, For Refractive Index |
Samples: |
---|
Customization: |
---|
Suppliers with verified business licenses
Quick Details
CAS No.:
548-26-5
Other Names:
eosinesaltfree
MF:
C20H8Br4O5
Place of Origin:Shanghai China
Type:
Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
Purity:
99.9%min
Brand Name: Lonwinchem
Model Number:
DAC170112
Application:
Pharmceutical/Chemical Industries
Appearance:
Crystal
Test Method:
Based on EP 9.0/USP39/BP2015
Content:
99.0% to 101.0%
Test method:
HPLC-ESI-MS
Water:
0.5% Max.
Sulfated ash:
0.1% Max.
Heavy metals:
10ppm Max
Total Impurity:
0.2% Max.
Total plate count:
≤1000cfu/g
Yeast and Moulds:
≤100cfu/g
E. Coli.:
Absent
Supply Ability
Supply Ability:
100 Ton/Tons per Year
Packaging & Delivery
Packaging Details
25kgs/Drum; 5kgs/Tin&10kgs/Carton
Port
Any main port of China
Product Description
Our Referance Specification, for more details, pls contact us for COA,MSDS and certification:
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 |
Suppliers with verified business licenses