ChemNet > CAS > 3943-89-3 Ethyl 3,4-dihydroxybenzoate
3943-89-3 Ethyl 3,4-dihydroxybenzoate
| product Name |
Ethyl 3,4-dihydroxybenzoate |
| CAS No |
3943-89-3 |
| Synonyms |
3,4-Dihydroxybenzoic acid ethyl ester; Ethyl 3,4-dihydrobenzoate; Ethyl protocatechuate |
| Molecular Formula |
C9H10O4 |
| Molecular Weight |
182.1733 |
| InChI |
InChI=1/C9H10O4/c1-2-13-9(12)6-3-4-7(10)8(11)5-6/h3-5,10-11H,2H2,1H3 |
| EINECS |
223-529-0 |
| Molecular Structure |
|
| Density |
1.294g/cm3 |
| Melting point |
131-136℃ |
| Boiling point |
358.1°C at 760 mmHg |
| Refractive index |
1.573 |
| Flash point |
147°C |
| Vapour Pressur |
1.27E-05mmHg at 25°C |
| Hazard Symbols |
 Xi:Irritant;
|
| Risk Codes |
R36/37/38:;
|
| Safety Description |
S26:;
S37/39:;
|
| MSDS |
Material Safety Data Sheet
|
|
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| Packing |
25KGs/fibre drum |
| Description |
Items |
| Contact |
Vincent Dong |
| Telephone |
+86-21-50327796 |
| Email |
sales@senyo-trading.com |
| Address |
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| Contact |
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| Telephone |
+86-21-59971736 |
| Email |
info@special-pharma.com |
| Address |
Suite 6, No. 888 Huide Road, Jiading District, Shanghai 201806, P. R. China |
| Specifications |
99% min |
| Packing |
25kg 50kg drum or bag |
| Description |
What is the chemical of Ethyl 3,4-Dihydroxybenzoate ? Appearance: White or off white crystalline powder, odorless or slightly phenolic odor Assay: 99% min by HPLC HNMR£º conform to standard carbon spectrum: conform to standard Water by K. F.:0.5% max or as per the customer¡¯s request Loss on drying:0.5% max. or as per the customer¡¯s request Melting point: 131-136¡æ =================================================================== Main uses: pharmaceutical intermediates (such as for the synthesis of erlotinib), food antioxidants, cosmetic excipients (with skin conditioning and antibacterial effects), as well as enzyme inhibitors (such as prolyl hydroxylase) and cell autophagy/apoptosis research in scientific research. ============================================================================= Synthesis route: Usually, 3,4-dihydroxybenzoic acid (protocatechuic acid) is directly esterified with ethanol under acid catalysis (such as concentrated sulfuric acid or p-toluenesulfonic ... |
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