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CAS 0 records

CAS 105-79-3

CAS 105-79-3 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 105-79-3
CAS 105-79-3PubChem CID 7775

Isobutyl hexanoate

Isobutyl hexanoate is a hexanoate ester resulting from the formal condensation of hexanoic acid (caproic acid) with isobutanol. It has a role as a metabolite. It is functionally related to an isobutanol. ChEBI

IUPAC name
2-methylpropyl hexanoate
Molecular formula
C10H20O2
Molecular weight
172.26 g/mol
Exact mass
172.146329876 Da
XLogP3
3.4
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

Isobutyl caproateHexanoic acid, 2-methylpropyl esterFEMA No. 2202Isobutyl caproate (natural)UNII-2A3X4W9GZ0EINECS 203-332-62A3X4W9GZ0CHEBI:87421
16 more reported names
AI3-24254ISOBUTYL HEXANOATE [FCC]FEMA 2202ISOBUTYL HEXANOATE [FHFI]Isobutyl caproic acidRefChem:1490852-Methylpropyl hexanoic acidHexanoate 2-methylpropyl ester203-332-6UXUPPWPIGVTVQI-UHFFFAOYSA-NHexanoic acid, isobutyl ester2-Methyl-1-propyl caproaten-Caproic acid isobutyl esteriso-Butyl n-hexanoatehexanoic acid 2-methylpropyl esterH0110
External database identifiers

Evidence from additional scientific databases

EMBL-EBI ChEBI
Exact identifier matchCHEBI:87421

isobutyl hexanoate

A hexanoate ester resulting from the formal condensation of hexanoic acid (caproic acid) with isobutanol.

Formula
C10H20O2
Average mass
172.268 g/mol
Monoisotopic mass
172.14633 Da
Formal charge
0
  • hexanoate ester — is a (CHEBI:87656)
  • metabolite — has role (CHEBI:25212)
  • isobutanol — has functional parent (CHEBI:46645)
  • metabolite — has role (CHEBI:25212)
  • hexanoate ester — is a (CHEBI:87656)
Additional curated names
2-methylpropyl hexanoatehexanoic acid 2-methylpropyl esterisobutyl caproate
Cross-references from this source
  • CAS: 105-79-3 — ChemIDplus
  • CAS: 105-79-3 — NIST Chemistry WebBook
  • REGISTRY_NUMBER: 6917444 — Reaxys
  • MANUAL_X_REF: HMDB0036228 — HMDB

Mapped by: Exact CAS cross-reference in the ChEBI compound record. Source updated: 2015-09-04. Retrieved: 2026-08-31. Open source record

NIH PubChem PUG-View
Exact identifier match7775

Attributed physical-property, hazard, environmental and use annotations.

  • Physical Description: Isobutyl caproate appears as a liquid. Insoluble in water and less dense than water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation or skin absorption. Used to make other chemicals. Source: CAMEO Chemicals
  • Physical Description: clear, colourless to yellowish liquid with a fruity, cocoa odour Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
  • First Aid: Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:; Refer to the "General First Aid" section. Specific First Aid: Wash skin with soap and water. In case of burns, immediately cool affected skin for as long as possible with cold water. Do not remove clothing if adhering to skin. (ERG, 2024) Source: CAMEO Chemicals
  • Note: This chemical does not meet GHS hazard criteria for 78.2% (147 of 188) of all reports. Source: European Chemicals Agency (ECHA)
  • Signal: Warning Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: H315 (21.3%): Causes skin irritation [Warning Skin corrosion/irritation]; H319 (21.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] Source: European Chemicals Agency (ECHA)
  • Precautionary Statement Codes: P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 188 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 147 of 188 reports by companies.; There are 2 notifications provided by 41 of 188 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
EMBL-EBI ChEBIExact match2026-08-31
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 105-79-3

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No records found for this CAS number.

How CAS 105-79-3 is used on this site

CAS 105-79-3 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 105-79-3 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.