933-05-1

Basic information

• Product Name: cyclopentyl acetate
• Synonyms: cyclopentyl acetate;Cyclopentanol, acetate;Acetic acid cyclopentyl ester;cyclopentyl ethanoate
• CAS NO: 933-05-1
• Molecular Formula: C₇H₁₂O₂
• Molecular Weight: 128.16898
• EINECS: 213-264-9
• Mol File: 933-05-1.mol

Chemical Properties

• Boiling Point: 197.6°C (rough estimate)
• Flash Point: 43.6°C
• Appearance: /
• Density: 0.9522
• Vapor Pressure: 2.55mmHg at 25°C
• Refractive Index: 1.4530 (estimate)
• CAS DataBase Reference: cyclopentyl acetate(CAS DataBase Reference)
• NIST Chemistry Reference: cyclopentyl acetate(933-05-1)
• EPA Substance Registry System: cyclopentyl acetate(933-05-1)

Safety Data

• Hazardous Substances Data: 933-05-1(Hazardous Substances Data)

Usage

Uses

Used in Food and Beverage Industry:
Cyclopentyl acetate is used as a synthetic flavoring agent for its fruity, apple-like aroma, enhancing the taste and smell of various food and beverage products.
Used in Fragrance and Perfume Industry:
It is employed as a key ingredient in the production of fragrances and perfumes, contributing to their distinct and appealing scents.
Used in Manufacturing Industry:
Cyclopentyl acetate is used as a solvent in the manufacturing of products such as lacquers, varnishes, and paints, aiding in their application and performance.
Used in Safety Compliance:
It is recognized as Generally Recognized As Safe (GRAS) by the U.S. Food and Drug Administration, ensuring its safe use in food products and contributing to consumer safety and trust.

InChI:InChI=1/C7H12O2/c1-6(8)9-7-4-2-3-5-7/h7H,2-5H2,1H3

Upstream product

• 96-41-3 Cyclopentanol 
• 64-19-7 acetic acid 
• 142-29-0 cyclopentene 
• 185-94-4 bicyclo<2.1.0>pentane 
• 23985-40-2 tricyclopentylborane 
• 546-67-8 lead(IV) tetraacetate 
• 693-02-7 hex-1-yne 
• 105-46-4 sec-Butyl acetate 
• 108-05-4 vinyl acetate 
• 815-57-6 3-Methyl-2,4-pentanedione 
• 287-92-3 Cyclopentane 
• 79-20-9 acetic acid methyl ester 
• 108-22-5 Isopropenyl acetate 
• 120-92-3 cyclopentanone 

Downstream Products

• 96-41-3 Cyclopentanol 
• 110-94-1 1,5-pentanedioic acid 
• 346720-43-2 N-cyclopentyl-4-methoxybenzamide 
• 53226-42-9 N-cyclopentylbenzamide 
• 79-20-9 acetic acid methyl ester 
• 16112-10-0 1-(cyclopent-1-en-1-yl)ethanone 

Relevant articles and documents

METHOD FOR PRODUCING DICARBOXYLIC ACID

A method for producing dicarboxylic acid. The method includes: subjecting a raw material system including a cyclic olefin and a lower monocarboxylic acid to an addition reaction in the presence of an addition reaction catalyst to generate an intermediate product system including cyclic carboxylic acid ester; and subjecting the intermediate product system including cyclic carboxylic acid ester to a ring-opening and oxidation reaction in the presence of an oxidant and an oxidation catalyst to generate a corresponding dicarboxylic acid product. The addition reaction in the dicarboxylic acid synthesis route achieves a high single-pass conversion rate, and the selectivity of the corresponding cyclic carboxylic acid ester is high. The addition-oxidation synthesis route achieves faster reaction rates for both the addition reaction and oxidation reaction, and high yield of corresponding dicarboxylic acid product. The addition-oxidation based synthesis route is suitable for continuous, stable and large-scale production of corresponding dicarboxylic acid product.

Consecutive addition esterification and hydrolysis of cyclic olefins catalyzed by multi-SO3H functionalized multi heteropolyanion-based ionic hybrids undersolvent-free conditions

An efficient protocol for the synthesis of cycloalkyl carboxylates and alcohols from cyclic olefins is described. The cyclic olefins were converted to corresponding target molecules under solvent-free conditions catalyzed by two novel multi-SO3H functionalized multi heteropolyanion-based ionic hybrids through one-pot consecutive addition esterification and hydrolysis reactions. This approach has several advantages, including high yield, simple workup and simple purification.

Application of Yttrium Iron Garnet as a Powerful and Recyclable Nanocatalyst for One-Pot Synthesis of Pyrano[2,3-c]pyrazole Derivatives under Solvent-Free Conditions

The application of yttrium iron garnet (YIG) superparamagnetic nanoparticles as a new recyclable and highly efficient heterogeneous magnetic catalyst for one-pot synthesis of pyrano[2,3-c]pyrazole derivatives under solvent-free conditions, as well as etherification and esterification reactions are described. The advantages of the proposed method include the lack of organic solvents, clean reaction, rapid removal of the catalyst, short reaction times, excellent yields, and recyclability of the catalyst.

4-Imidazol-1-yl-butane-1-sulfonic acid ionic liquid: Synthesis, structural analysis, physical properties and catalytic application as dual solvent-catalyst

4-Imidazol-1-yl-butane-1-sulfonic acid (ImBu-SO3H) has been successfully synthetized and fully characterized by FT-IR and high-resolution NMR spectroscopy (1H, 13C). The “plausible” alternative structures of ImBu-SO3H were discussed on the basis of its NMR data. The ionic liquid showed interesting dual solvent-catalyst property, which was studied experimentally for the acetylation of a variety of functionalized alcohols, phenols, thiols, amines and α-tocopherol (α-CTP) as the most active form of vitamin E with acetic anhydride and which provided good yields within a short reaction time. ImBu-SO3H was successfully recycled by product extraction with an average recovered yield of 82% for 5 subsequent runs. The catalytic activity of the recycled ImBu-SO3H showed almost no loss even after five consecutive runs.

Method for preparing cyclopentanol from cyclopentene

The invention relates to a method for preparing cyclopentanol from cyclopentene. Cyclopentene and acetic acid are mixed for an esterification reaction, cyclopentyl acetate is generated, a catalyst adopts cerium nitrate modified sulfonyl cation exchange resin during a transesterification reaction, and the exchange capacity of cerium ions is 10%-30% of that of resin mass; the conversion rate of the esterification reaction is remarkably increased; during the transesterification reaction of crude cyclopentyl acetate and methanol, the transesterification reaction is catalyzed through granular CaO and a sodium methylate composite catalyst dissolved in a reaction liquid, cyclopentyl acetate and methanol can be catalyzed for the transesterification reaction, a small amount of water brought into reaction raw materials can be removed, difficulty caused by CaO hydrolysis and product separation is avoided, and the pollution problem of an existing process is effectively solved.

Preparation, characterization and application of RHA/TiO2 nanocomposites in the acetylation of alcohols, phenols and amines

In this work, anatase-phase nano-titania was prepared by embedding in rice husk ash, and identified using a variety of techniques. The obtained nanocomposite (RHA/TiO2) was used as a green and inexpensive catalyst for the promotion of the acetylation of alcohols, phenols and amines with Ac2O at room temperature under solvent free conditions. The procedure gave the products in excellent yields during all reaction times. Also this catalyst can be reused for several times without loss of its catalytic activity.

A process for the preparation of acetate

The invention relates to an acetate preparation method. The method comprises the following steps: carrying out a contact reaction of sec-butyl acetate and alcohol in the presence of an ester exchange catalyst under an ester exchange reaction condition, adding products obtained after the contact reaction into a separation tower, controlling the tower top temperature to separate unreacted sec-butyl acetate and sec-butyl alcohol generated after the reaction from the tower top, and carrying out normal-pressure or reduced-pressure flash evaporation to separate acetate generated after the reaction from a tower bottom fraction, wherein the alcohol is alcohol having a general formula of R(OH)n and/or polyol alkylether having at least one hydroxy group, R is a C5-C20 n-valence alkyl group, a C5-C20 n-valence alkenyl group, a C5-C12 n-valence cycloalkyl group or a C7-C20 n-valence aryl group, and n is an integer in a range of 1-5. The method has the advantages of high conversion rate of the alcohol as a reaction raw material, and high acetate selectivity.

A simple acetylation of alcohols using ZnO nanopowder synthesized by microwave irradiation

An efficient and selective method for acetylation of alcohols using ZnO nanopowder is described. In this method, alcohols are refluxed with a mixture of CH3COOH in the presence of catalytic amounts of ZnO nanopowder to afford their corresponding esters in good yields. This methodology is highly efficient for various structurally different alcohols: 1°, 2°, 3°. The prepared nano zinc oxide used in acetylation of alcohols which in comparison to ordinary ZnO has apparent advantages in promoting the yields of product formation.

Tris(pentafluorophenyl)borane catalyzed acylation of alcohols, phenols, amines, and thiophenols under solvent-free condition

The acylation of alcohols, phenols, amines, and thiophenols was accomplished with 0.5 mol % of tris(pentafluorophenyl)borane [B(C 6F5)3] at ambient temperature under solvent-free condition. Major advantages of this method include high yield, short reaction time, simple procedure, compatibility with sensitive protecting groups as well as other functional groups, absence of racemization of optical active compounds, and epimerization of sugars.

Rice husk: Introduction of a green, cheap and reusable catalyst for the protection of alcohols, phenols, amines and thiols

A mild, efficient and eco-friendly protocol for the chemoselective protection of benzylic and primary and less hindered secondary aliphatic alcohols and phenols as trimethylsilyl ethers and different types of amines as N-tert-butylcarbamates is developed using rice husk (RiH) as the catalyst. This reagent is also able to catalyze the acetylation of alcohols, phenols, thiols and amines with acetic anhydride. Easy work-up, relatively short reaction times, excellent yields and low cost, availability and reusability of the catalyst are the striking features of this methodology, which can be considered to be one of the best and general methods for the protection of alcohols, phenols, thiols and amines. In addition, the use of a green reagent in the above-mentioned reactions results in a reduction of environmental pollution and of the cost of the applied methods.