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227456-28-2

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227456-28-2 Structure

227456-28-2 Structure
IdentificationBack Directory
[Name]

3-MERCAPTO-2-METHYLPENTANAL
[CAS]

227456-28-2
[Synonyms]

3-MERCAPTO-2-METHYLPENTANAL
2-Methyl-3-sulfanylpentanal
2-methyl-3-mercapto pentanal
3-Mercapto-2-methyl-1-pentanal
Pentanal, 3-mercapto-2-methyl-
3-MERCAPTO-2-METHYLPENTANAL USP/EP/BP
[EINECS(EC#)]

639-623-3
[Molecular Formula]

C6H12OS
[MDL Number]

MFCD12911412
[MOL File]

227456-28-2.mol
[Molecular Weight]

132.23
Chemical PropertiesBack Directory
[Boiling point ]

178.6±23.0 °C(Predicted)
[density ]

0.946±0.06 g/cm3(Predicted)
[FEMA ]

3994 | 3-MERCAPTO-2-METHYLPENTANAL
[pka]

10.18±0.10(Predicted)
[Odor]

at 0.10 % in propylene glycol. sulfurous onion
[Odor Type]

sulfurous
[JECFA Number]

1292
[LogP]

1.76
Hazard InformationBack Directory
[Chemical Properties]

3-Mercapto-2-methylpentanal is a highly odorous mercaptan with a meaty and pungent odor. The aroma is also reported as sharp, penetrating and reminiscent of onion.
[Occurrence]

Reportedly present in onion.
[Definition]

ChEBI: 3-Mercapto-2-methylpentanal is an alkanethiol.
[Aroma threshold values]

Odor threshold = 0.95 ppb
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