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Methyl hexanoate

HCID 7824
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
106-70-7
Standard SMILES
CCCCCC(=O)OC
InChIKey
NUKZAGXMHTUAFE-UHFFFAOYSA-N
Molecular formula
C7H14O2
Average molar mass
130.18 g/mol
Monoisotopic mass
130.09937969

Overview

Methyl caproate is a clear colorless liquid. (NTP, 1992)

Names & identifiers

Preferred name
Methyl hexanoate
IUPAC
methyl hexanoate
English name
Methyl hexanoate
Molecular formula
C7H14O2
Molecular weight
130.18

Names & synonyms

METHYL HEXANOATEMethyl caproate106-70-7Hexanoic Acid Methyl EsterHexanoic acid, methyl esterMethyl hexoateMethyl n-hexanoateMethyl capronateMethyl hexylateCaproic acid methyl esterFEMA No. 2708formyl hexanoate
Show more names
METHYL AMYL ACETATEFEMA 2708HEXANOIC METHYLMethyl hexanoate (Methyl caproate)methylhexylate
246364VPJSNSC-5023DTXSID0047616CHEBI:77322RefChem:157891DTXCID8027616203-425-1Methyl n-hexoate

Database identifiers

CAS
106-70-7
PubChem CID
7824
DTXSID
DTXSID0047616
ChEBI
CHEBI:77322
UNII
246364VPJS
EC Number
203-425-1
Nikkaji
J43.566J

Properties

Computed structural properties

XLogP
2.5
Topological polar surface area
26.3 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
2
Rotatable bonds
5
Heavy atoms
9
Formal charge
0
Complexity
79

Experimental & physicochemical properties

LipidsFatty Acyls [FA] -> Fatty esters [FA07] -> Short fatty esters [FA0710]
SolventsSolvents -> Esters (<C12)
CosmeticsEmollient; Skin conditioning
SpringerMaterials PropertiesBoiling point
FragrancesFragrance Ingredient (Methyl hexanoate) -> IFRA transparency List
LogP2.42
Food AdditivesFLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
Density · 2 items

0.8846 at 68 °F (NTP, 1992) - Less dense than water; will float

0.880-0.889

Flavoring AgentsEU Flavoring substances
Solubility · 4 items

less than 1 mg/mL at 72 °F (NTP, 1992)

1.33 mg/mL at 20 °C

Insoluble in water; soluble in propylene glycol and vegetable oils

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 · 5 items

This chemical does not meet GHS hazard criteria for < 0.1% (1 of 1891) of reports.

Warning

H226 (99.9%): Flammable liquid and vapor [Warning Flammable liquids]

P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 1891 reports by companies from 8 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory Information · 3 items

Chemical: Hexanoic acid, methyl ester

REACH registered substance: Methyl hexanoate (EC: 203-425-1)

Methyl hexanoate: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationIMAP assessments - Hexanoic acid, methyl ester: Human health tier I assessment
DOT LabelCombustible Liquid
Fire HazardsThis chemical is combustible. (NTP, 1992)
Health HazardsSYMPTOMS: This compound causes burns and may cause irritation.
Hazards SummaryMay cause irritation and burns; [NTP] May cause irritation; [Alfa Aesar MSDS]
Reactive GroupEsters, Sulfate Esters, Phosphate Esters, Thiophosphate Esters, and Borate Esters
Reactivity AlertsHighly Flammable

Chemistry & industry

Pharmacology

Cellular LocationsCytoplasm

Uses & manufacturing

UsesUsed as flavoring agent or adjuvant; [FDA] Used as an intermediate for caproic acid detergents, emulsifiers, wetting agents, stabilizers, resins, lubricants, plasticizers, and flavorings; [NTP]
Use Classification · 4 items

Fragrance Ingredients

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Flavoring Agents -> JECFA Flavorings Index

Cosmetics -> Emollient; Skin conditioning

General Manufacturing InformationHexanoic acid, methyl ester: ACTIVE
Applications · 4 items

DescriptionMethyl hexanoate is the methyl ester form of hexanoate with fruity type odor and flavor. It is formed by the esterification between methanol and hexanoate. It can be found in many sources such as wine grapes, melon, raspberry, blackberry, plum, quince, apple brandy, wines, Bourbon vanilla, coffee, black tea, potato, tomato, cheeses, rye bread, meats and other foodstuffs. Its major application is used as cosmetic, flavor and fragrance agents.

OccurrenceReported found in pineapple, apple, apricot, orange juice, black currants, guava, grapes, melon, papaya, pineapple, raspberry, blackberry, strawberry, potato, tomato, pepper, rye bread, cheeses, butter, milk, beef mutton, hop oil, beer, grape wine, cider, coffee, tea, honey, cloudberry, durian (Durio zibethinus), olive, passion fruit, plumcot, mushroom, starfruit, mango, wood apple, licorice, soursop, cashew apple, wort, cherimoya, kiwifruit, babaco fruit (Carica pentagona Heilborn), Bourbon vanilla, mountain papaya, oyster, custard apple, nectarine, naranjilla, lamb’s lettuce, loganberry, cape gooseberry, spineless monkey orange, Chinese quince and pawpaw.

Intermediate for caproic acid detergents, emulsifiers, wetting agents, stabilizers, resins, lubricants, plasticizers, flavoring.

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Related reactions

15 records
New reaction record
HRID 918306 reaction equation
HRID 918306As reactantuspto-grants-1976_07
HRID 1113089 reaction equation
HRID 1113089As reactantTraining data from https://doi.org/10.1039/C8SC04228D (7/10)
HRID 1277744 reaction equation
HRID 1277744As reactantuspto-grants-1981_07
HRID 1391197 reaction equation
HRID 1391197As reactantuspto-grants-1979_02
HRID 1404731 reaction equation
HRID 1404731As reactantuspto-grants-2014_12
HRID 1404732 reaction equation
HRID 1404732As reactantuspto-grants-2014_12
HRID 1404733 reaction equation
HRID 1404733As reactantuspto-grants-2014_12
HRID 1404734 reaction equation
HRID 1404734As reactantuspto-grants-2014_12
Page 1 of 2

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes

Soluble (in ethanol)

Flash Point163 °F (NTP, 1992)
Boiling Point · 3 items

302 °F at 760 mmHg (NTP, 1992)

148.00 to 150.00 °C. @ 760.00 mm Hg

150-151 °C

Physicochemical properties

Melting point
-71 °C · -71 °C (lit.)
Boiling point
151 °C · 151 °C (lit.)
Density
0.885 g/mL · 0.885 g/mL at 25 °C (lit.)
vapor pressure
3.7 hPa · 3.7 hPa (20 °C)
FEMA
2708 · 2708 | METHYL HEXANOATE
refractive index
20 · n20/D 1.405
FLAVIS Number
9.069 · 09.069 | Methyl hexanoate
Flash point
113 °F · 113 °F
storage temp.
30 °C · Store below +30°C.
solubility
100 mg/mL, · chloroform: soluble100mg/mL, clear
form
Liquid
color
Colorless
Odor
100 % · at 100.00 %. ethereal fruity pineapple apricot strawberry tropical fruit banana bacon
Odor Type
fruity
biological source
synthetic
Water Solubility
1.325 g/L · 1.325g/L(20 ºC)
Thermal Conductivity
0.138 W/ · 0.138 W/(m·K) at 25 ℃
JECFA Number
1871 · 1871
BRN
1744683 · 1744683
Henry's Law Constant
2.6 · 2.6×10-2 mol/(m3Pa) at 25℃, Plyasunov et al. (2004)
Dielectric constant
4.7 · 4.7000000000000002
Stability
Stable. Flammable. Incompatible with strong oxidizing agents, strong bases.
Cosmetics Ingredients Functions
PERFUMINGSKIN CONDITIONINGSKIN CONDITIONING - EMOLLIENT
InChI
1S/C7H14O2/c1-3-4-5-6-7(8)9-2/h3-6H2,1-2H3
InChIKey
NUKZAGXMHTUAFE-UHFFFAOYSA-N
SMILES
CCCCCC(=O)OC
LogP
2.34 · 2.34
CAS DataBase Reference
106 · 106-70-7(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS)
METHYL HEXANOATE
FDA 21 CFR
172.515 · 172.515
EWG's Food Scores
2 · 2
FDA UNII
246364 VPJS · 246364VPJS
NIST Chemistry Reference
Hexanoic acid, methyl ester(106-70-7)
EPA Substance Registry System
Methyl hexanoate (106-70-7)
UNSPSC Code
85151701 · 85151701
NACRES
24 · NA.24
Symbol(GHS)
2 · GHS02
Signal word
Warning
Hazard statements
226 · H226
Precautionary statements
501 · P501-P240-P210-P233-P243-P241-P242-P280-P370+P378-P303+P361+P353-P403+P235
PPE
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Risk Statements
10 · 10
Safety Statements
43 · 43-16-36/37/39-7
RIDADR
1233 · UN 1233
WGK Germany
1 · 1
RTECS
8401400 · MO8401400
TSCA
TSCA listed
HazardClass
3 · 3
PackingGroup
III
HS Code
29159080 · 29159080
Storage Class
3 · 3 - Flammable liquids
Hazard Classifications
3 · Flam. Liq. 3
Toxicity
50 orally · LD50 orally in Rabbit: > 5000 mg/kg
REACH Registrations
Active
Limited Quantities
5 L · 5.0 L (1.3 gallons) (liquid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
Reactivity Profile · 1 item

METHYL CAPROATE is an ester. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides. This compound reacts with strong oxidizing agents and strong bases. (NTP, 1992)

Air and Water ReactionsInsoluble in water.
Hazard Classes and CategoriesFlam. Liq. 3 (99.9%)

Safety & protection

Fire FightingFires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)
First Aid · 1 item

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Nonfire Spill Response · 1 item

SMALL SPILLS AND LEAKAGE: If you spill this chemical, FIRST REMOVE ALL SOURCES OF IGNITION. Then, use absorbent paper to pick up all liquid spill material. Your contaminated clothing and absorbent paper should be sealed in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with 60-70% ethanol followed by washing with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

Isolation and EvacuationExcerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:
Personal Protective Equipment (PPE)MINIMUM PROTECTIVE CLOTHING: If Tyvek-type disposable protective clothing is not worn during handling of this chemical, wear disposable Tyvek-type sleeves taped to your gloves.

Toxicology

Adverse EffectsNeurotoxin - Acute solvent syndrome
Toxicity DataLC50 (mouse) = 14,000 mg/m3/2hr

Safety data

PPE
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
wgk
1
tsca
TSCA listed
rtecs
MO8401400
ridadr
UN 1233
hs_code
29159080
Toxicity
LD50 orally in Rabbit: > 5000 mg/kg
risk_code
10
Signal word
Warning
Symbol(GHS)
GHS02
safety_code
43-16-36/37/39-7
hazard_class
3
Storage Class
3 - Flammable liquids
packing_group
III
Hazard statements
H226
Limited Quantities
5.0 L (1.3 gallons) (liquid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
REACH Registrations
Active
Hazard Classifications
Flam. Liq. 3
Precautionary statements
P501-P240-P210-P233-P243-P241-P242-P280-P370+P378-P303+P361+P353-P403+P235
Uses

General DescriptionClear colorless liquid.

Preparation methods

PreparationBy reacting methyl alcohol with hexanoic acid at 130 to 140°C in the presence of concentrated H2SO4 and distilling the ester from the reaction mixture

Upstream & downstream products

Upstream raw materials

Oleyl alcoholHexanoic acid2,3-Dichloro-5,8-dihydroxy-1,4-naphthoquinoneConcentrated sulfuric acidCoconut oilHexanoyl chloride

Downstream products

dodecane-6,7-dioneN,N-DimethylhexanamideMethyl 2-methylpentanoateFURFURYL HEXANOATEMethyl valerateCaproic acid propyl esterMethyl 2-(hydroxyiMino)hexanoate

Additional notes

DefinitionChEBI: Methyl hexanoate is a fatty acid methyl ester derived from hexanoic (caproic acid). It has a role as a flavouring agent and a plant metabolite. It is a fatty acid methyl ester and a hexanoate ester.