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Methyl 2-oxo-3-methylpentanoate

HCID 545106
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
3682-42-6
Standard SMILES
CCC(C)C(=O)C(=O)OC
InChIKey
ZPSBJVARKCHQDF-UHFFFAOYSA-N
Molecular formula
C7H12O3
Average molar mass
144.17 g/mol
Monoisotopic mass
144.07864424

Overview

Methyl (R)-3-methyl-2-oxopentanoate is a fatty acid ester.

Names & identifiers

Preferred name
Methyl 2-oxo-3-methylpentanoate
IUPAC
methyl 3-methyl-2-oxopentanoate
English name
Pentanoic acid, 3-methyl-2-oxo-, methyl ester
Molecular formula
C7H12O3
Molecular weight
144.17

Names & synonyms

Methyl 3-methyl-2-oxopentanoate3682-42-6Pentanoic acid, 3-methyl-2-oxo-, methyl esterMethyl 3-methyl-2-oxovalerateMethyl 2-oxo-3-methylpentanoateMethyl 2-keto-3-methylvalerateFEMA No. 3713Valeric acid, 3-methyl-2-oxo-, methyl ester9909D8DVH1DTXSID10863244METHYL 2-OXO-3-METHYLPENTANOATE [FHFI]RefChem:814585
Show more names
METHYL2-OXO-3-METHYLPENTANOATE
Methyl 2oxo3methylvalerateMethyl 3methyl2oxovalerateMethyl 2keto3methylvalerateMethyl 3methyl2oxopentanoateDTXCID60811896Valeric acid, 3methyl2oxo, methyl esterPentanoic acid, 3methyl2oxo, methyl ester609-297-7

Database identifiers

CAS
3682-42-6
PubChem CID
545106
DTXSID
DTXSID10863244
ChEBI
CHEBI:168918
UNII
9909D8DVH1
EC Number
609-297-7
Nikkaji
J109.245F

Properties

Computed structural propertiesFilling in

XLogP
1.4
Topological polar surface area
43.4 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
3
Rotatable bonds
4
Heavy atoms
10
Formal charge
0
Complexity
140

Experimental & physicochemical properties

Chemical ClassesOther Classes -> Esters, Other
LipidsFatty Acyls [FA] -> Fatty esters [FA07] -> Short fatty esters [FA0710]
Food AdditivesFLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
Density0.988-0.995
Flavoring AgentsEU Flavoring substances
Solubility · 3 items

slightly

slightly soluble in water; soluble in fat

(in ethanol)

Boiling Point · 2 items

197.00 °C. @ 760.00 mm Hg

197 °C

Refractive Index1.416-1.426
Physical Descriptionliquid

Physicochemical properties

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 3 items

This chemical does not meet GHS hazard criteria for 98.9% (89 of 90) of all reports.

Not Classified

Aggregated GHS information provided per 90 reports by companies from 2 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory Information · 2 items

Chemical: Pentanoic acid, 3-methyl-2-oxo-, methyl ester

Pentanoic acid, 3-methyl-2-oxo-, methyl ester: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationIMAP assessments - Pentanoic acid, 3-methyl-2-oxo-, methyl ester: Environment tier I assessment
Hazards SummarySafe when used as a flavoring agent in food; [JECFA]
Hazard Classes and CategoriesNot Classified

Safety data

tsca
TSCA listed

Chemistry & industry

Pharmacology

Cellular LocationsCytoplasm

Uses & manufacturing

UsesUsed as a flavoring agent; [FDA]
Use Classification · 4 items

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Flavoring Agents -> JECFA Flavorings Index

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

General Manufacturing InformationPentanoic acid, 3-methyl-2-oxo-, methyl ester: ACTIVE

Additional notes

DefinitionChEBI: Methyl (R)-3-methyl-2-oxopentanoate is a fatty acid ester.

Related reactions

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Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
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Boiling point
50 · 50-60 °C(Press: 6 Torr)
Density
0.993 · 0.993±0.06 g/cm3(Predicted)
FEMA
3713 · 3713 | METHYL 2-OXO-3-METHYLPENTANOATE
FLAVIS Number
9.55 · 09.550 | Methyl 2-oxo-3-methylvalerate
JECFA Number
591 · 591
LogP
0.93 · 0.93
CAS DataBase Reference
3682 · 3682-42-6
Substances Added to Food (formerly EAFUS)
2 · METHYL 2-OXO-3-METHYLPENTANOATE
EWG's Food Scores
1 · 1
FDA UNII
9909 D8DVH1 · 9909D8DVH1
EPA Substance Registry System
3 · Pentanoic acid, 3-methyl-2-oxo-, methyl ester (3682-42-6)
TSCA
TSCA listed