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Safety Information

W381718

Sigma-Aldrich

2-Acetyl-2-thiazoline

≥96%, FG

Synonym(s):

Corn thiazoline

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About This Item

Empirical Formula (Hill Notation):
C5H7NOS
CAS Number:
29926-41-8
Molecular Weight:
129.18
FEMA Number:
3817
Beilstein:
1209707
MDL number:
MFCD00209496
UNSPSC Code:
12164502
PubChem Substance ID:
329830659
Flavis number:
15.010
NACRES:
NA.21
Organoleptic:
corn; nutty; popcorn; roasted
grade:
FG
Halal
Kosher
biological source:
synthetic
food allergen:
no known allergens

biological source

synthetic

Quality Level

400

grade

FG
Halal
Kosher

reg. compliance

EU Regulation 1334/2008 & 178/2002

Assay

≥96%

refractive index

n20/D 1.5305 (lit.)

mp

26-30 °C (lit.)

density

1.17 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

corn; nutty; popcorn; roasted

storage temp.

2-8°C

SMILES string

CC(=O)C1=NCCS1

InChI

1S/C5H7NOS/c1-4(7)5-6-2-3-8-5/h2-3H2,1H3

InChI key

FZOZFDAMVVEZSJ-UHFFFAOYSA-N

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General description

2-Acetyl-2-thiazoline is one of the key sulfur-containing flavor compounds of cooked rice, jasmice rice, cooked and roasted beef.

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301,H319

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

197.6 °F - closed cup

Flash Point(C)

92 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

W381718-500G-K:4548173353678
W381718-500G:4548173337609
W381718-VAR:
W381718-BULK:
W381718-SAMPLE:
W381718-VAR-K:
W381718-5G-K:4548173357126
W381718-100G-K:4548173357119
W381718-BULK-K:
W381718-100G:4548173337593
W381718-5G:4548173337616
W381718-SAMPLE-K:

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR0814
SHBP6029
SHBQ3174
SHBL4205
MKCF5331

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Studies on the formation and stability of the roast-flavor compound 2-acetyl-2-thiazoline.
Hofmann T & Schieberle P.
Journal of Agricultural and Food Chemistry, 43(11), 2946-2950 (1995)
Components contributing to beef flavor. Isolation of 2-acetyl-2-thiazoline from beef broth.
Plancken AJ, et al.
Journal of Agricultural and Food Chemistry, 19(5), 1014-1016 (1971)
Kenji Kumazawa et al.
Journal of agricultural and food chemistry, 50(20), 5660-5663 (2002-09-19)
Two kinds of pan-fired green teas (Japanese Kamairi-cha and Chinese Longing tea) were compared with the common Japanese green tea (Sen-cha). Application of the aroma extract dilution analysis (AEDA) using the volatile fraction of the Sen-cha, Kamairi-cha and Longing tea
Chemistry of 2-acetyl-1-pyrroline, 6-acetyl-1,2,3,4-tetrahydropyridine, 2-acetyl-2-thiazoline, and 5-acetyl-2,3-dihydro-4H-thiazine: extraordinary Maillard flavor compounds.
An Adams et al.
Chemical reviews, 106(6), 2299-2319 (2006-06-15)
Rachid Bel Rhlid et al.
Journal of agricultural and food chemistry, 50(8), 2350-2355 (2002-04-04)
Roasted notes contribute to the flavor of thermally processed foods such as meat and bread. 2-Acetyl-2-thiazoline is one of the key volatile compounds responsible for the roasted and popcorn-like aroma character. We report here on the biogeneration of flavoring preparations

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