Cas no 3943-89-3 (Ethyl 3,4-dihydroxybenzoate)

Ethyl 3,4-dihydroxybenzoate is a phenolic ester derived from gallic acid, featuring a catechol moiety and an ethyl ester functional group. This compound exhibits notable antioxidant properties due to its ability to scavenge free radicals, making it valuable in pharmaceutical and cosmetic formulations. Its solubility in organic solvents enhances its utility as an intermediate in organic synthesis, particularly for polyphenol derivatives. The presence of two hydroxyl groups allows for further functionalization, enabling applications in polymer chemistry and bioactive compound development. Ethyl 3,4-dihydroxybenzoate is also studied for its potential in stabilizing oxidation-sensitive materials. Its stability under controlled conditions ensures consistent performance in research and industrial applications.
Ethyl 3,4-dihydroxybenzoate structure
Ethyl 3,4-dihydroxybenzoate structure
Product Name:Ethyl 3,4-dihydroxybenzoate
CAS No:3943-89-3
MF:C9H10O4
MW:182.173303127289
MDL:MFCD00002199
CID:44603
PubChem ID:87567225
Update Time:2025-12-30

Ethyl 3,4-dihydroxybenzoate Chemical and Physical Properties

Names and Identifiers

    • Ethyl 3,4-dihydroxybenzoate
    • 3,4-Dihydroxybenzoic acid ethyl ester
    • Protocatechuic acid
    • 3,4-dihydroxybenzoic acid ethyl ether
    • EDHB
    • Ethyl Protocatechuate
    • Ethyl-3,4-dihydroxybenzoate
    • Protocatechuic acid ethyl ester
    • Benzoic acid, 3,4-dihydroxy-, ethyl ester
    • 4YGJ96WTBG
    • KBPUBCVJHFXPOC-UHFFFAOYSA-N
    • 3,4-Dihydroxy-benzoic acid ethyl ester
    • Ethyl 3,4-dihydroxybenzoate (Protocatechuic acid ethyl ester)
    • 3,4-Dihydroxybenzoicacidethylester
    • PubChem4051
    • Protocatechuic acid, ethyl ester
    • SY017737
    • NSC-619681
    • NCGC00253717-01
    • BCP26356
    • CHEMBL486216
    • SR-01000944711-1
    • 3,4-Dihydroxybenzoic acid, ethyl ester
    • Q3277971
    • W-106433
    • F0001-1109
    • AKOS015856218
    • Protocatechuic acid ethyl ester, 97%
    • FT-0625754
    • 3943-89-3
    • DTXCID3031521
    • NSC-86130
    • CHEBI:132364
    • AC-9614
    • MFCD00002199
    • DTXSID2057732
    • NSC 86130
    • FD16015
    • 3,4-DHBEEOP
    • EC 223-529-0
    • NSC86130
    • Tox21_113836
    • NSC619681
    • Ethyl-3,4-dihydroxy-benzoate
    • BDBM50428394
    • HY-W016409
    • CAS-3943-89-3
    • CS-W017125
    • PS-4053
    • A6602
    • SR-01000944711
    • AMY40110
    • SCHEMBL39791
    • D0571
    • NS00006102
    • UNII-4YGJ96WTBG
    • EINECS 223-529-0
    • Benzoic acid,4-dihydroxy-, ethyl ester
    • InChI=1/C9H10O4/c1-2-13-9(12)6-3-4-7(10)8(11)5-6/h3-5,10-11H,2H2,1H
    • Ethyl 3
    • Ethyl protocatechuic acid
    • Protocatechuate ethyl ester
    • 3,4-Dihydroxybenzoate ethyl ester
    • DB-013234
    • ethyl 3,4-dihydroxybenzoic acid
    • 3,4-Dihydroxybenzoic Acid Ethyl Ester; Protocatechuic Acid Ethyl Ester; Ethyl Protocatechuate; NSC 619681; NSC 86130;
    • MDL: MFCD00002199
    • Inchi: 1S/C9H10O4/c1-2-13-9(12)6-3-4-7(10)8(11)5-6/h3-5,10-11H,2H2,1H3
    • InChI Key: KBPUBCVJHFXPOC-UHFFFAOYSA-N
    • SMILES: O(CC)C(C1C=CC(=C(C=1)O)O)=O
    • BRN: 2097435

Computed Properties

  • Exact Mass: 182.05800
  • Monoisotopic Mass: 182.05790880 g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 13
  • Rotatable Bond Count: 3
  • Complexity: 181
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Molecular Weight: 182.17
  • Surface Charge: 0
  • Tautomer Count: 12
  • XLogP3: 1.8
  • Topological Polar Surface Area: 66.8

Experimental Properties

  • Color/Form: White crystals or powder
  • Density: 1.2481 (rough estimate)
  • Melting Point: 133.0 to 136.0 deg-C
  • Boiling Point: 358.1°C at 760 mmHg
  • Flash Point: 147℃
  • Refractive Index: 1.4500 (estimate)
  • Water Partition Coefficient: Insoluble in water. Soluble in ethanol.
  • PSA: 66.76000
  • LogP: 1.27450

Ethyl 3,4-dihydroxybenzoate Security Information

Ethyl 3,4-dihydroxybenzoate Customs Data

  • HS CODE:2918290000
  • Customs Data:

    China Customs Code:

    2918290000

    Overview:

    2918290000 Other carboxylic acids and anhydrides containing phenolic groups but not other oxy groups\Acyl halide\Peroxides and peroxyacids and their derivatives.Regulatory conditions:AB(Customs clearance form for Inbound Goods,Customs clearance form for outbound goods).VAT:17.0%.Tax refund rate:9.0%.MFN tariff:6.5%.general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Regulatory conditions:

    A.Customs clearance form for Inbound Goods
    B.Customs clearance form for outbound goods

    Inspection and quarantine category:

    R.Sanitary supervision and inspection of imported food
    S.Sanitary supervision and inspection of exported food

    Summary:

    HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

Ethyl 3,4-dihydroxybenzoate Pricemore >>

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HE FEI BO MEI SHENG WU KE JI YOU XIAN ZE REN GONG SI
ED8459-25g
Ethyl 3,4-dihydroxybenzoate
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¥300元 2023-09-15
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Ethyl 3,4-dihydroxybenzoate Suppliers

Amadis Chemical Company Limited
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(CAS:3943-89-3)Ethyl 3,4-dihydroxybenzoate
Order Number:A6602
Stock Status:in Stock
Quantity:1kg
Purity:99%
Pricing Information Last Updated:Monday, 2 September 2024 16:04
Price ($):152.0
Tiancheng Chemical (Jiangsu) Co., Ltd
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(CAS:3943-89-3)Ethyl 3,4-dihydroxybenzoate
Order Number:LE5155;LE25953033;LE11474
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 11:46
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Suzhou Senfeida Chemical Co., Ltd
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(CAS:3943-89-3)Ethyl 3,4-dihydroxybenzoate
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Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:32
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Ethyl 3,4-dihydroxybenzoate Spectrogram

1H NMR 300 MHz DMSO
1H NMR
13C NMR
13C NMR

Additional information on Ethyl 3,4-dihydroxybenzoate

Ethyl 3,4-dihydroxybenzoate (CAS No. 3943-89-3): A Comprehensive Overview

Ethyl 3,4-dihydroxybenzoate, identified by its Chemical Abstracts Service (CAS) number 3943-89-3, is a compound of significant interest in the field of chemical and pharmaceutical research. This ester derivative of resorcinol exhibits a unique structure that lends itself to various applications, particularly in the development of bioactive molecules and functional materials. The presence of hydroxyl groups at the 3 and 4 positions enhances its reactivity and potential utility in synthetic chemistry.

The compound's molecular formula, C9H8O4, reflects its composition as an ester of 3,4-dihydroxybenzoic acid. This structure makes it a valuable intermediate in organic synthesis, serving as a precursor for more complex molecules. The hydroxyl groups contribute to its solubility in polar solvents, facilitating its use in various chemical reactions and formulations.

In recent years, Ethyl 3,4-dihydroxybenzoate has garnered attention for its potential applications in pharmaceuticals. Its derivatives have been explored as intermediates in the synthesis of active pharmaceutical ingredients (APIs). Specifically, researchers have investigated its role in the development of compounds with anti-inflammatory and antioxidant properties. The hydroxyl groups enable hydrogen bonding interactions, which can be leveraged to enhance binding affinity in drug design.

One of the most promising areas of research involving Ethyl 3,4-dihydroxybenzoate is its use as a building block for natural product-inspired molecules. These derivatives often exhibit biological activity due to their ability to mimic structural motifs found in bioactive natural products. For instance, studies have shown that certain esters derived from this compound exhibit inhibitory effects on enzymes implicated in metabolic disorders. This has sparked interest in exploring its potential as a lead compound for drug discovery.

The chemical properties of Ethyl 3,4-dihydroxybenzoate also make it suitable for applications beyond pharmaceuticals. In materials science, for example, it has been investigated as a monomer for polymer synthesis. Its ability to participate in esterification and condensation reactions allows for the creation of polymers with tailored properties. These polymers may find applications in coatings, adhesives, and other functional materials.

Furthermore, Ethyl 3,4-dihydroxybenzoate has been studied for its potential role in agrochemical formulations. Derivatives of this compound have shown promise as intermediates in the synthesis of herbicides and pesticides. The hydroxyl groups facilitate interactions with biological targets, making it a valuable component in designing molecules that can modulate plant growth or protect crops from pests.

The synthesis of Ethyl 3,4-dihydroxybenzoate typically involves the esterification of 3,4-dihydroxybenzoic acid with ethanol under acidic conditions. This reaction is well-established and can be optimized for high yields and purity. Advances in catalytic methods have further improved the efficiency of this process, making it more sustainable and scalable for industrial applications.

In conclusion, Ethyl 3,4-dihydroxybenzoate (CAS No. 3943-89-3) is a versatile compound with a wide range of potential applications. Its unique structural features make it valuable in pharmaceutical research, materials science, and agrochemical development. As research continues to uncover new uses for this compound, its importance is likely to grow further. The ongoing exploration of its derivatives and synthetic modifications promises to yield novel bioactive molecules and functional materials that could benefit various industries.

Recommended suppliers
Amadis Chemical Company Limited
(CAS:3943-89-3)Ethyl 3,4-dihydroxybenzoate
A6602
Purity:99%
Quantity:1kg
Price ($):152.0
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Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:3943-89-3)Ethyl 3,4-dihydroxybenzoate
LE5155;LE25953033;LE11474
Purity:99%/99%/99%
Quantity:25KG,200KG,1000KG/25KG,200KG,1000KG/25KG,200KG,1000KG
Price ($):Inquiry/Inquiry/Inquiry
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