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Ethyl 3,4-dihydroxybenzoate CAS: 3943-89-3 CAS NO.3943-89-3
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton
- Product Details
Keywords
- 3943-89-3
- Ethyl 3,4-dihydroxybenzoate
- 3,4-Dihydroxybenzoic acid ethyl ester
Quick Details
- ProName: Ethyl 3,4-dihydroxybenzoate CAS:...
- CasNo: 3943-89-3
- Molecular Formula: C9H10O4
- Appearance: white Powder
- Application: Pharmaceutical Intermediates
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25KG/Drum
- Port: Qingdao Port
- ProductionCapacity: 2000 Metric Ton/Year
- Purity: 99%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 1 Kilogram
- CAS: 3943-89-3
Superiority
|
Name |
Ethyl 3,4-dihydroxybenzoate |
|
CAS No.: |
3943-89-3 |
|
Appearance |
white Powder |
|
Color |
Pale yellow to beige |
|
MW: |
182.17300 |
|
meltinig point: |
132-134 °C(lit.) |
|
density |
1.54 |
|
flashing point: |
147°C |
Details
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Item |
Standard |
Test Results |
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Identification |
A.H-NMR:Comply with the structure |
Complies |
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B.LC-MS:Comply with the structure |
Complies |
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C.The IR spectrum of sample should be identical with that of reference standard; |
Complies |
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D.HPLC-ESI-MS |
Complies |
||
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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. |
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Heavy metals |
≤10 ppm |
<10ppm |
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Water |
≤1.0% |
0.10% |
|
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Sulphated ash |
≤0.5%, determined on 1.0 g. |
0.01% |
|
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Related substances |
Unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
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Total Impurity |
≤0.5% |
0.18% |
|
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Purity |
≥99.0% |
99.70% |
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Assay |
99.0%~101.0% (anhydrous substance). |
99.80% |
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Storage |
Preserve in well-closed, light-resistant and airtight containers. |
Complies |
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