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Pentyl acetate

CAS 628-63-7CH3COO(CH2)4CH3Chemical Synthesis

Pentyl acetate (CAS: 628-63-7, Formula: CH3COO(CH2)4CH3) is an ester with a molecular weight of 130.18 g/mol. It is recognised for its characteristic banana-like odour, leading to its use as a flavouring agent and in perfumery. This compound also serves as a valuable test odorant in the study of olfactory function and psychosocial responses to scent.

IUPAC
Amyl acetate
Synonyms
Amyl acetatePentyl ethanoateAcetic acid pentyl ester
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Pentyl acetate (CH3COO(CH2)4CH3) — chemical structure, CAS 628-63-7; Chemistry, fine chemical supplied by Tech Serve Solutions
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01 /Applications

Flavor and Fragrance Industry

Pentyl acetate is widely employed as a key component in creating artificial banana flavourings. Its pleasant, fruity aroma also makes it a useful ingredient in various perfumes and cosmetic products.

Olfactory Research

This compound serves as a standard odorant in scientific studies investigating the mechanisms of smell. It aids researchers in understanding olfactory perception and the human response to specific scents.

Chemical Synthesis

As an ester, pentyl acetate can function as a building block or intermediate in various organic synthesis pathways within the chemical industry.

02 /Properties
Molecular weight130.18
Linear formulaCH3COO(CH2)4CH3
Assay99%
Boiling point142-149 °C(lit.)
Density0.876 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.402(lit.)
Vapour pressure4 mmHg (20 °C)
Melting point−100 °C(lit.)
Vapour density4.5 (vs air)
Autoignition temp680 °F
ApplicationBanana essence. Used as test odorant in studies of olfactory function and in studies of the psychosocial effects of odor.
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
Warning

Hazard statements

  • H226Flammable liquid and vapour
  • H412Harmful to aquatic life with long-lasting effects

Precautionary statements

  • P273Avoid release to the environment
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Transport (UN / ADR)UN 1104 3 / PGIII
Water hazard class (WGK, DE)1
Risk statements (R)10-66
Safety statements (S)23-25
Supplemental hazardsRepeated exposure may cause skin dryness or cracking.

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
628-63-7
MDL number
MFCD00009500
PubChem substance
24846925
Beilstein registry
1744753
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Pentyl Acetate used for?

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Pentyl acetate is used as a flavouring agent, particularly for banana essence, and as a test odorant in studies of olfactory function and the psychosocial effects of odour. It also finds applications in chemical synthesis.

What is the CAS number and chemical formula for Pentyl Acetate?

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The CAS number for Pentyl acetate is 628-63-7, and its chemical formula is CH3COO(CH2)4CH3.

What grade and purity does Tech Serve Solutions supply for Pentyl Acetate?

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Tech Serve Solutions supplies Pentyl acetate with an assay of 99%. We do not represent this product as USP, BP, or EP grade unless explicitly stated otherwise in the product documentation.

How should Pentyl Acetate be handled safely?

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Pentyl acetate is a flammable liquid and vapour (H226). It can cause skin dryness or cracking with repeated exposure (Supplemental Hazard Statement). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used. Store away from ignition sources.

Is Pentyl Acetate available for export?

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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Pentyl acetate.

How can I request a quote or sample of Pentyl Acetate?

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Please contact our sales team through the website or by phone to request a quote or sample of Pentyl Acetate.

Need Pentyl acetate in a specific grade or volume?