3-MERCAPTO-2-METHYLPENTANAL Chemical Properties

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

3-MERCAPTO-2-METHYLPENTANAL Usage And Synthesis

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

3-MERCAPTO-2-METHYLPENTANAL(227456-28-2)Related Product Information

• Methyl valeraldehyde
• Valeraldehyde