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3,4-Dihydroxybenzoic acid CAS:99-50-3 CAS NO.99-50-3
- 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
- 99-50-3
- 3,4-Dihydroxybenzoic acid
- Protocatechuic acid
Quick Details
- ProName: 3,4-Dihydroxybenzoic acid CAS:9...
- CasNo: 99-50-3
- Molecular Formula: C7H5O4
- Appearance: White powder
- Application: Organic 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: 99-50-3
Superiority
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CAS |
99-50-3 |
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Appearance: |
white powder |
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Product name |
3,4-Dihydroxybenzoic acid |
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MF |
C7H6O4 |
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MW |
154.12 |
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Purity |
99% |
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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