Cas no 139-85-5 (Protocatechualdehyde)
Protocatechualdehyde is a versatile intermediate used in the synthesis of various compounds, including pharmaceuticals and food additives. Its key advantages lie in its ability to undergo efficient oxidation reactions, allowing for the production of valuable derivatives such as anthocyanins and hydroxybenzoic acids.
Protocatechualdehyde structure
Product Name:Protocatechualdehyde
CAS No:139-85-5
MF:C7H6O3
MW:138.120742321014
MDL:MFCD00003370
CID:36423
PubChem ID:8768
Update Time:2025-08-07
Protocatechualdehyde Chemical and Physical Properties
Names and Identifiers
-
- 3,4-Dihydroxybenzaldehyde
- Protocatechualdehyde
- 3,4-Dihydroxybenzaldehyd (Protocatechualdehyde)
- protocatechuic aldehyde
- AURORA 17180
- 4-FORMYL-1,2-DIHYDROXYBENZENE
- 1,2-Dihydroxy-4-formylbenzene
- 3,4-dihydroxy-benzaldehyd
- 3, 4-Dihydroxy benzlaldehyde
- 3.4-Dihydroxybenzaldehyde
- PROTOCATECHUALDEHYDE(RG)
- 3,4-Dihydroxybenzene carbonal
- RancinaMycin IV
- [ "" ]
- Nc 033
- NSC 22961
- PROTOPINE(RG)
- 4-Formylcatechol
- pyrocatechualdehyde
- Protocatecualdehyde
- rancinamyciniv
- AKOS BBS-00003254
- Benzaldehyde, 3,4-dihydroxy-
- 3,4-Dihydroxybenzenecarbonal
- 3,4-dihydroxy-benzaldehyde
- 4-Formyl-1,2-benzenediol
- 4PVP2HCH4T
- 3,4-dihydroxy benzaldehyde
- 3,4-Dihydroxybenzyl aldehyde
- MLS000069606
- IBGBGRVKPALMCQ-UHFFFAOYSA-N
- SMR000059038
- 2,
- Catechaldehyde
- MLS001148401
- MLSMR
-
- MDL： MFCD00003370
- Inchi： 1S/C7H6O3/c8-4-5-1-2-6(9)7(10)3-5/h1-4,9-10H
- InChI Key： IBGBGRVKPALMCQ-UHFFFAOYSA-N
- SMILES： OC1C(O)=CC(C=O)=CC=1
- BRN： 774381
Computed Properties
- Exact Mass: 138.03200
- Monoisotopic Mass: 138.031694
- Isotope Atom Count: 0
- Hydrogen Bond Donor Count: 2
- Hydrogen Bond Acceptor Count: 3
- Heavy Atom Count: 10
- Rotatable Bond Count: 1
- Complexity: 124
- 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
- Surface Charge: 0
- Tautomer Count: 12
- XLogP3: 1.3
- Topological Polar Surface Area: 57.5
- Molecular Weight: 138.12
Experimental Properties
- Color/Form: Powder
- Density: 1.2667 (rough estimate)
- Melting Point: 150-155?°C
150-157?°C (lit.) - Boiling Point: 213.5°C (rough estimate)
- Flash Point: 146.7℃
- Refractive Index: 1.4600 (estimate)
- Solubility: 6.3g/l
- Water Partition Coefficient: 50 g/L (20 oC)
- Stability/Shelf Life: Stable. Incompatible with strong bases, strong oxidizing agents.
- PSA: 57.53000
- LogP: 0.91030
- pka: pK (25°) 7.55
- Merck: 7893
- Sensitiveness: Air Sensitive
- Vapor Pressure: 0.0±0.6 mmHg at 25°C
Protocatechualdehyde Security Information
-
Symbol:
- Prompt：warning
- Signal Word：Warning
- Hazard Statement： H315,H319,H335
- Warning Statement： P261,P305+P351+P338
- Hazardous Material transportation number：NONH for all modes of transport
- WGK Germany：3
- Hazard Category Code： 36/37/38
- Safety Instruction： S26-S36-S37/39
- FLUKA BRAND F CODES：9
- RTECS：UL0380000
-
Hazardous Material Identification：
- Storage Condition：4°C, stored under nitrogen
- Risk Phrases：R36/37/38
- Safety Term：S26;S37/39
Protocatechualdehyde Customs Data
- HS CODE：29124900
- Customs Data：
China Customs Code:
2912499000Overview:
2912499000. Other aldehyde ethers\Aldehydes, phenols and aldehydes containing other oxygen-containing groups. VAT:17.0%. Tax refund rate:9.0%. Regulatory conditions:nothing. MFN tariff:5.5%. general tariff:30.0%
Declaration elements:
Product Name, component content, use to, Appearance of tetraformaldehyde
Summary:
2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0%
Protocatechualdehyde Pricemore >>
| Related Categories | No. | Product Name | Cas No. | Purity | Specification | Price | update time | Inquiry |
|---|---|---|---|---|---|---|---|---|
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | 37520-25G |
Protocatechualdehyde |
139-85-5 | 97.0% | 25g |
￥728.31 | 2023-10-24 | |
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | 37520-100G |
Protocatechualdehyde |
139-85-5 | 97.0% | 100g |
￥2767.56 | 2023-10-24 | |
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | D108405-5G |
Protocatechualdehyde |
139-85-5 | 5g |
￥576.03 | 2023-11-09 | ||
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | D108405-25G |
Protocatechualdehyde |
139-85-5 | 25g |
￥2340.41 | 2023-11-09 | ||
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | D108405-100G |
Protocatechualdehyde |
139-85-5 | 100g |
￥4056.9 | 2023-11-09 | ||
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | V900603-25G |
Protocatechualdehyde |
139-85-5 | 97% | 25g |
￥347.37 | 2023-09-06 | |
| SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd. | D807224-500g |
3,4-Dihydroxybenzaldehyde |
139-85-5 | 98% | 500g |
1,031.00 | 2021-05-17 | |
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | 92588-100MG |
Protocatechualdehyde |
139-85-5 | 100mg |
￥1186.09 | 2024-12-22 | ||
| Fluorochem | 078190-10g |
3,4-Dihydroxybenzaldehyde |
139-85-5 | 99% | 10g |
￡11.00 | 2022-03-01 | |
| Fluorochem | 078190-25g |
3,4-Dihydroxybenzaldehyde |
139-85-5 | 99% | 25g |
￡24.00 | 2022-03-01 |
Protocatechualdehyde Suppliers
Amadis Chemical Company Limited
Gold Member
Audited Supplier
(CAS:139-85-5)Protocatechualdehyde
Order Number:A1200490
Stock Status:in Stock
Quantity:1kg
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 02:42
Price ($):175.0
Email:[email protected]
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier
(CAS:139-85-5)3,4-二羥基苯甲醛
Order Number:LE1903958;LE10188;LE6897
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:37
Price ($):discuss personally
Email:[email protected]
Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier
(CAS:139-85-5)Protocatechualdehyde
Order Number:sfd17415
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:37
Price ($):discuss personally
Email:[email protected]
Protocatechualdehyde Related Literature
-
Arasappan Hemamalini,Thangamuthu Mohan Das RSC Adv. 2014 4 34189
-
Naina Sharma,Dinesh Mohanakrishnan,Amit Shard,Abhishek Sharma,Arun K. Sinha,Dinkar Sahal RSC Adv. 2016 6 49348
-
René Fumeaux,Candice Menozzi-Smarrito,Angelique Stalmach,Caroline Munari,Karin Kraehenbuehl,Heike Steiling,Alan Crozier,Gary Williamson,Denis Barron Org. Biomol. Chem. 2010 8 5199
-
Wenjin Wu,Yuping Yang,Lan Wang,Tingting Xu,Rui Wang RSC Adv. 2021 11 18252
-
Di Gao,Shawkat M. Aly,Paul-Ludovic Karsenti,Gessie Brisard,Pierre D. Harvey Dalton Trans. 2017 46 6278
Related Categories
- Solvents and Organic Chemicals Organic Compounds Organic oxygen compounds Organooxygen compounds Hydroxybenzaldehydes
- Natural Products and Extracts Plant Extracts Plant based Visnea mocanera
- Pesticide Chemicals Pesticide Active Ingredients Standard Substances
- Pharmaceutical and Biochemical Products Pharmaceutical Active Ingredients Reference Substances
- Pharmaceutical and Biochemical Products Pharmaceutical Active Ingredients Standard Substances
- Solvents and Organic Chemicals Organic Compounds Acids/Esters
- Solvents and Organic Chemicals Organic Compounds Alcohol/Ether
- Solvents and Organic Chemicals Organic Compounds Aldehyde/Ketone
- Solvents and Organic Chemicals Organic Compounds Hydrocarbons
- Pharmaceutical and Biochemical Products Pharmaceutical Active Ingredients
139-85-5 (Protocatechualdehyde) Related Products
- 100-83-4(3-Hydroxybenzaldehyde)
- 26153-38-8(3,5-Dihydroxybenzaldehyde)
- 74830-71-0(Benzaldehyde, polymer with 1,2,3-benzenetriol)
- 144876-14-2(5-Hydroxy-benzene-1,3-dicarbaldehyde)
- 13677-79-7(3,4,5-Trihydroxybenzaldehyde)
- 123-08-0(4-Hydroxybenzaldehyde)
- 207742-88-9(3,4,5-Trihydroxybenzaldehyde hydrate)
- 284474-52-8(4-Hydroxybenzaldehyde-d4)
- 26355-74-8(Benzaldehyde, polymer with phenol)
- 152404-52-9(4-Hydroxybenzaldehyde-13C)
Recommended suppliers
Amadis Chemical Company Limited
(CAS:139-85-5)Protocatechualdehyde
Purity:99%
Quantity:1kg
Price ($):175.0
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:139-85-5)3,4-二羥基苯甲醛
Purity:99%/99%/99%
Quantity:25KG,200KG,1000KG/25KG,200KG,1000KG/25KG,200KG,1000KG
Price ($):Inquiry/Inquiry/Inquiry