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Merck
CN

44638

3-(Methylthio)propionaldehyde

analytical standard

Synonym(s):

3-(Methylmercapto)propionaldehyde, 3-(Methylthio)propanal, Methional, NSC 15874

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About This Item

Linear Formula:
CH3SCH2CH2CHO
CAS Number:
3268-49-3
Molecular Weight:
104.17
EC Number:
221-882-5
UNSPSC Code:
85151701
PubChem Substance ID:
329756527
Beilstein/REAXYS Number:
1739289
MDL number:
MFCD00007022

Key Documents

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InChI

1S/C4H8OS/c1-6-4-2-3-5/h3H,2,4H2,1H3

InChI key

CLUWOWRTHNNBBU-UHFFFAOYSA-N

SMILES string

CSCCC=O

grade

analytical standard

vapor density

>1 (vs air)

vapor pressure

760 mmHg ( 165 °C)

assay

≥97.5% (GC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

≤1.0% water

refractive index

n20/D 1.483 (lit.)

bp

165-166 °C (lit.)

density

1.043 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

storage temp.

2-8°C

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Application

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Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCBS4291V
BCBS0557V
BCBQ9799V

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Smaro Kokkinidou et al.
Journal of agricultural and food chemistry, 62(32), 8023-8033 (2014-07-30)
The application of phenolic compounds to suppress Maillard chemistry and off-flavor development in ultrahigh-termperature (UHT)-processed milk during processing and storage was investigated. Five phenolic compounds were examined for structure-reactivity relationships (catechin, genistein, daidzein, 1,2,3-trihydroxybenzene, and 1,3,5-trihydroxybenzene). The levels of key

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