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Piperonylic acid, also known as 3,4-methylenedioxybenzaldehyde, is a naturally occurring organic compound that closely resembles the structure of trans-cinnamic acid, which is involved in the phenylpropanoid pathway in plant physiology. It is characterized by its white to light yellow crystalline powder form.

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  • 94-53-1 Structure
  • Basic information

    1. Product Name: Piperonylic acid
    2. Synonyms: 1,3-BENZODIOXOLE-5-CARBOXYLIC ACID;3,4-METHYLENDIOXYBENZOIC ACID;3,4-(METHYLENEDIOXY)BENZOIC ACID;AKOS 213-90;TIMTEC-BB SBB003897;3,4-dioxymethylenebenzoicacid;5-benzodioxolecarboxylicacid;Benzoic acid, 3,4-(methylenedioxy)-
    3. CAS NO:94-53-1
    4. Molecular Formula: C8H6O4
    5. Molecular Weight: 166.13
    6. EINECS: 202-342-8
    7. Product Categories: Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Benzodiozoles, Benzodioxines & Benzodioxepines;Carboxylic Acids;Benzodiozoles, Benzodioxines & Benzodioxepines;Carboxylic Acids;Building Blocks;C8;Carbonyl Compounds;Chemical Synthesis;Organic Building Blocks;Quinoxalines ,Quinazolines ,Quinaldines
    8. Mol File: 94-53-1.mol
  • Chemical Properties

    1. Melting Point: 229-231 °C(lit.)
    2. Boiling Point: 254.32°C (rough estimate)
    3. Flash Point: 139.6 °C
    4. Appearance: Off-white to beige/Powder
    5. Density: 1.3579 (rough estimate)
    6. Vapor Pressure: 9.95E-05mmHg at 25°C
    7. Refractive Index: 1.5090 (estimate)
    8. Storage Temp.: Store below +30°C.
    9. Solubility: DMSO (Slightly), Methanol (Slightly)
    10. PKA: 4.35±0.20(Predicted)
    11. Water Solubility: slightly soluble
    12. Merck: 14,7477
    13. BRN: 150206
    14. CAS DataBase Reference: Piperonylic acid(CAS DataBase Reference)
    15. NIST Chemistry Reference: Piperonylic acid(94-53-1)
    16. EPA Substance Registry System: Piperonylic acid(94-53-1)
  • Safety Data

    1. Hazard Codes: Xn,Xi
    2. Statements: 22-37/38-41-36/37/38
    3. Safety Statements: 26-36/37/39-37/39
    4. WGK Germany: 3
    5. RTECS: DF4912765
    6. TSCA: Yes
    7. HazardClass: N/A
    8. PackingGroup: N/A
    9. Hazardous Substances Data: 94-53-1(Hazardous Substances Data)

94-53-1 Usage

Uses

Used in Pharmaceutical Industry:
Piperonylic acid is used as a key intermediate in the synthesis of various pharmaceutical compounds, including insecticides and agrochemicals. Its unique structure allows it to be a versatile building block for the development of new drugs and chemicals.
Used in Flavor and Fragrance Industry:
Due to its aromatic properties, Piperonylic acid is used as a flavoring agent and fragrance ingredient in the food and cosmetics industries. Its pleasant scent and taste make it a valuable addition to a wide range of products.
Used in Organic Synthesis:
Piperonylic acid serves as a valuable starting material in organic synthesis, particularly for the production of various organic compounds and fine chemicals. Its reactivity and functional groups make it a useful precursor for the synthesis of a diverse range of molecules.

Synthesis Reference(s)

The Journal of Organic Chemistry, 40, p. 3803, 1975 DOI: 10.1021/jo00913a051

Purification Methods

Crystallise the acid from EtOH or water. [Beilstein 19/7 V 300.]

Check Digit Verification of cas no

The CAS Registry Mumber 94-53-1 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 94-53:
(4*9)+(3*4)+(2*5)+(1*3)=61
61 % 10 = 1
So 94-53-1 is a valid CAS Registry Number.
InChI:InChI=1/C8H6O4/c9-8(10)5-1-2-6-7(3-5)12-4-11-6/h1-3H,4H2,(H,9,10)

94-53-1 Well-known Company Product Price

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  • (Code)Product description
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  • Alfa Aesar

  • (A14105)  Piperonylic acid, 98+%   

  • 94-53-1

  • 25g

  • 551.0CNY

  • Detail
  • Alfa Aesar

  • (A14105)  Piperonylic acid, 98+%   

  • 94-53-1

  • 100g

  • 1843.0CNY

  • Detail
  • Alfa Aesar

  • (A14105)  Piperonylic acid, 98+%   

  • 94-53-1

  • 500g

  • 8548.0CNY

  • Detail

94-53-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name Piperonylic acid

1.2 Other means of identification

Product number -
Other names heliotropicacid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:94-53-1 SDS

94-53-1Relevant articles and documents

Destructible Surfactants Based on a Silicon-Oxygen Bond

Jaeger, David A.,Ward, Mary Darlene

, p. 2221 - 2223 (1982)

A "destructible" surfactant based on the lability of a silicon-oxygen bond, trimethylammonium nitrate (1b), has been prepared and characterized along with the corresponding chloride (1a) and tetraphenylborate (1c).

Gram-scale synthesis of carboxylic acids via catalytic acceptorless dehydrogenative coupling of alcohols and hydroxides at an ultralow Ru loading

Chen, Cheng,Cheng, Hua,Verpoort, Francis,Wang, Zhi-Qin,Wu, Zhe,Yuan, Ye,Zheng, Zhong-Hui

, (2021/12/13)

Acceptorless dehydrogenative coupling (ADC) of alcohols and water/hydroxides is an emergent and graceful approach to produce carboxylic acids. Therefore, it is of high demand to develop active and practical catalysts/catalytic systems for this attractive transformation. Herein, we designed and fabricated a series of cyclometallated N-heterocyclic carbene-Ru (NHC-Ru) complexes via ligand tuning of [Ru-1], the superior complex in our previous work. Gratifyingly, gram-scale synthesis of carboxylic acids was efficiently enabled at an ultralow Ru loading (62.5 ppm) in open air. Moreover, effects of distinct ancillary NHC ligands and other parameters on this catalytic process were thoroughly studied, while further systematic studies were carried out to provide rationales for the activity trend of [Ru-1]-[Ru-7]. Finally, determination of quantitative green metrics illustrated that the present work exhibited superiority over representative literature reports. Hopefully, this study could provide valuable input for researchers who are engaging in metal-catalyzed ADC reactions.

Oxidation of Primary Alcohols and Aldehydes to Carboxylic Acids via Hydrogen Atom Transfer

Tan, Wen-Yun,Lu, Yi,Zhao, Jing-Feng,Chen, Wen,Zhang, Hongbin

supporting information, p. 6648 - 6653 (2021/09/08)

The oxidation of primary alcohols and aldehydes to the corresponding carboxylic acids is a fundamental reaction in organic synthesis. In this paper, we report a new chemoselective process for the oxidation of primary alcohols and aldehydes. This metal-free reaction features a new oxidant, an easy to handle procedure, high isolated yields, and good to excellent functional group tolerance even in the presence of vulnerable secondary alcohols and tert-butanesulfinamides.

Mechanistic studies into visible light-driven carboxylation of aryl halides/triflates by the combined use of palladium and photoredox catalysts

Caner, Joaquim,Iwasawa, Nobuharu,Martin, Ruben,Murata, Kei,Shimomaki, Katsuya,Toriumi, Naoyuki

supporting information, p. 1846 - 1853 (2021/08/13)

The reaction mechanism of palladium-catalyzed visible light-driven carboxylation of aryl halides and triflates with a photoredox catalyst was examined in detail. Experimental and theoretical studies indicated that the active species for photoredox- catalyzed reduction was cationic ArPd(II)+ species to generate nucleophilic ArPd(I) or its further reduced ArPd(0)- species, which reacted with CO2 to give carboxylic acids. Hydrodehalogenated compounds, main byproducts in this carboxylation, were thought to be generated by protonation of these reduced species.

Ni-NiO heterojunctions: a versatile nanocatalyst for regioselective halogenation and oxidative esterification of aromatics

Bhardwaj, Nivedita,Goel, Bharat,Indra, Arindam,Jain, Shreyans K.,Singh, Ajit Kumar,Tripathi, Nancy

, p. 14177 - 14183 (2021/08/16)

Herein, we report a facile method for the synthesis of Ni-NiO heterojunction nanoparticles, which we utilized for the nuclear halogenation reaction of phenol and substituted phenols usingN-bromosuccinimide (NBS). A remarkablepara-selectivity was achieved for the halogenated products under semi-aqueous conditions. Interestingly, blocking of thepara-position of phenol offeredortho-selective halogenation. In addition, the Ni-NiO nanoparticles catalyzed the oxidative esterification of carbonyl compounds with alcohol, diol or dithiol in the presence of a catalytic amount of NBS. It was observed that the aromatic carbonyls substituted with an electron-donating group favoured nuclear halogenation, whereas an electron-withdrawing group substitution in carbonyl compounds facilitated the oxidation reaction. In addition, the catalyst was magnetically separated and recycled 10 times. The tuned electronic structure at the Ni-NiO heterojunction controlled selectivity and activity as no suchpara-selectivity was observed with commercially available NiO or Ni nanoparticles.

One-Pot Direct Oxidation of Primary Amines to Carboxylic Acids through Tandem ortho-Naphthoquinone-Catalyzed and TBHP-Promoted Oxidation Sequence

Kim, Hun Young,Oh, Kyungsoo,Si, Tengda

supporting information, p. 18150 - 18155 (2021/12/09)

Biomimetic oxidation of primary amines to carboxylic acids has been developed where the copper-containing amine oxidase (CuAO)-like o-NQ-catalyzed aerobic oxidation was combined with the aldehyde dehydrogenase (ALDH)-like TBHP-mediated imine oxidation protocol. Notably, the current tandem oxidation strategy provides a new mechanistic insight into the imine intermediate and the seemingly simple TBHP-mediated oxidation pathways of imines. The developed metal-free amine oxidation protocol allows the use of molecular oxygen and TBHP, safe forms of oxidant that may appeal to the industrial application.

Cobalt-Catalyzed Deprotection of Allyl Carboxylic Esters Induced by Hydrogen Atom Transfer

Li, Nan,Gui, Yizhen,Chu, Mengqi,You, Mengdi,Qiu, Xiaohan,Liu, Hejia,Wang, Shiang,Deng, Meng,Ji, Baoming

supporting information, p. 8460 - 8464 (2021/11/13)

A brief, efficient method has been developed for the removal of the allyl protecting group from allyl carboxylic esters using a Co(II)/TBHP/(Me2SiH)2O catalytic system. This facile strategy displays excellent chemoselectivity, functional group tolerance, and high yields. This transformation probably occurs through the hydrogen atom transfer process, and a Co(III)-six-membered cyclic intermediate is recommended.

An efficient chromium(iii)-catalyzed aerobic oxidation of methylarenes in water for the green preparation of corresponding acids

Jiang, Feng,Liu, Shanshan,Wei, Yongge,Yan, Likai,Yu, Han,Zhao, Wenshu

supporting information, p. 12413 - 12418 (2021/09/28)

A highly efficient method to oxidize methylarenes to their corresponding acids with a reusable Cr catalyst was developed. The reaction can be carried out in water with 1 atm oxygen and K2S2O8as cooxidants, proceeds under green and mild conditions, and is suitable for the oxidation of both electron-deficient and electron-rich methylarenes, including heteroaryl methylarenes, even at the gram level. The excellent result, together with its simplicity of operation and the ability to continuously reuse the catalyst, makes this new methodology environmentally benign and cost-effective. The generality of this methodology gives it the potential for use on an industrial scale. Differing from the accepted oxidation mechanism of toluene, GC-MS studies and DFT calculations have revealed that the key benzyl alcohol intermediate is formed under the synergetic effect of the chromium and molybdenum in the Cr catalyst, which can be further oxidized to afford benzaldehyde and finally benzoic acid.

1,2-Dibutoxyethane-Promoted Oxidative Cleavage of Olefins into Carboxylic Acids Using O2 under Clean Conditions

Ou, Jinhua,Tan, Hong,He, Saiyu,Wang, Wei,Hu, Bonian,Yu, Gang,Liu, Kaijian

, p. 14974 - 14982 (2021/10/25)

Herein, we report the first example of an effective and green approach for the oxidative cleavage of olefins to carboxylic acids using a 1,2-dibutoxyethane/O2 system under clean conditions. This novel oxidation system also has excellent functional-group tolerance and is applicable for large-scale synthesis. The target products were prepared in good to excellent yields by a one-pot sequential transformation without an external initiator, catalyst, and additive.

Uncommon overoxidative catalytic activity in a new halo-tolerant alcohol dehydrogenase

Contente, Martina L.,Fiore, Noemi,Cannazza, Pietro,Roura Padrosa, David,Molinari, Francesco,Gourlay, Louise,Paradisi, Francesca

supporting information, p. 5679 - 5685 (2020/09/17)

Alcohol dehydrogenases (ADH) are versatile and useful enzymes employed as biocatalysts, especially for the selective oxidation of primary and secondary alcohols, and for the reduction of carbonyl moieties. A new alcohol dehydrogenase (HeADH-II) has been identified from the genome of the halo-adapted bacterium Halomonas elongata, which proved stable in the presence of polar organic solvents and salt exposure. Unusual for this class of enzymes, HeADH-II lacks enantiopreference and is capable of oxidizing both alcohols and aldehydes, enabling a direct overoxidation of primary alcohols to carboxylic acids. HeADH-II was coupled with a NADH-oxidase from Lactobacillus pentosus (LpNOX) to increase the process yields and allowing recycling of the cofactor. The enzymatic oxidation of primary alcohols was also paired with in situ condensation of the intermediate aldehydes with hydroxylamine to prepare the corresponding aldoximes, with particular attention to perillartine (a powerful sweetener), whose enzymatic synthesis starting from natural sources, leads to an equally natural product.

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