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W274711

Sigma-Aldrich

Methional

greener alternative

natural, ≥98%, FG

Synonym(s):

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

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About This Item

Linear Formula:
CH3SCH2CH2CHO
CAS Number:
Molecular Weight:
104.17
FEMA Number:
2747
Beilstein:
1739289
EC Number:
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
12.001
NACRES:
NA.21
Organoleptic:
creamy; earthy; vegetable; potato; tomato
grade:
FG
Kosher
natural
food allergen:
no known allergens

grade

FG
Kosher
natural

Quality Level

reg. compliance

EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 172.515

vapor density

>1 (vs air)

vapor pressure

760 mmHg ( 165 °C)

Assay

≥98%

greener alternative product characteristics

Less Hazardous Chemical Syntheses
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

refractive index

n20/D 1.483 (lit.)

bp

165-166 °C (lit.)

density

1.043 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

greener alternative category

Organoleptic

creamy; earthy; vegetable; potato; tomato

storage temp.

2-8°C

SMILES string

CSCCC=O

InChI

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

InChI key

CLUWOWRTHNNBBU-UHFFFAOYSA-N

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General description

Natural occurence: Asparagus, baked potato, beer, cheddar cheese, cooked chicken, tomato and pumpkin
Methional is the main sulfur-containing flavor compound in potatoes.
We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product is a Biobased products, showing key improvements in Green Chemistry Principles “Less Hazardous Chemical Syntheses” and “Use of Renewable Feedstock”.

Application

The nature of this compound will complement many savory flavors, including cooked vegetables like potato, muchroom, tomato, sauerkraut, asparagus, and onion; chicken, pork, bacon, fish, beef, stew, broth, and gravy; soy sauce; and some aged cheeses, especially cheddar. At very low levels, it will add an appetizing, cooked quality to fruits like apples, pineapple, and pear.

Biochem/physiol Actions

Odor at 1%
Taste at 0.5-1ppm

Pictograms

Skull and crossbonesCorrosion

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

165.2 °F - closed cup

Flash Point(C)

74 °C - closed cup


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S Le Guen et al.
Journal of agricultural and food chemistry, 48(4), 1307-1314 (2000-04-25)
Three olfactometric methods (olfactometry global analysis, OSME, and AEDA) were compared to evaluate the main impact odorants of cooked mussels. The results obtained from these methods were very similar and well correlated. On the basis of the three techniques, 42
E Hiltbrand et al.
Current medicinal chemistry, 16(10), 1184-1191 (2009-04-10)
An intraperitoneal (IP) monotherapy in nu/nu mice with subcutaneous xenografts of a human prostate epithelial cancer cell line:DU145 was undertaken with an aldehyde dehydrogenase 3 inhibitor MATE, that is a potent apoptogen on (DU145) in culture but not on their
B Ballantyne et al.
Veterinary and human toxicology, 42(6), 330-336 (2000-12-09)
Because of its vapor pressure (0.6 torr at 20 C) there is a potential for vapor exposure to 3-(methylthio)propionaldehyde (3-MTP) vapor. Liquid 3-MTP may contain trace amounts of acrolein (up to 0.1%), and therefore acrolein vapor may also be present.
D Perrin et al.
Archives of biochemistry and biophysics, 377(2), 266-272 (2000-06-14)
Both peroxynitrous acid and peroxynitrite react with methionine, k(acid) = (1.7 +/- 0.1) x 10(3) M(-1) s(-1) and k(anion) = 8.6 +/- 0.2 M(-1) s(-1), respectively, and with N-acetylmethionine k(acid) = (2.8 +/- 0.1) x 10(3) M(-1) s(-1) and k(anion)
Florian Mayer et al.
Journal of agricultural and food chemistry, 56(10), 3749-3757 (2008-05-08)
Three tasty (BR-139, FA-624, and FA-612) and two less tasty (R-144 and R-175) fresh greenhouse tomato cultivars, which significantly differ in their flavor profiles, were screened for potent odorants using aroma extract dilution analysis (AEDA). On the basis of AEDA

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