Descriptio References
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Product nomen: |
2-Acetylthiazole |
|
Synonyma: |
Ketone, Methyl 2-thiazolyl (7CI,8CI);1-(1,3-thiazol-2-yl)ethan-1-una, 2-ethanoyl-1,3-thiazole; acetylthiazoliuM, acetylthiazone II-; 1-(1,3-thiazol-2-yl) ethanone; 1-(2-thiazolyl) -ethanon |
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CAS; |
24295-03-2 |
|
MF: |
C5H5NOS |
|
MW: |
127.16 |
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EINECS: |
246-134-5 . |
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Categoria: |
A-B; Alphabetica Listings, ACETYLGROUP, Sulphur Derivatives, Thiazoles, Sapores et odores; thiazole Sapor; aedificium cuneos, Heterocyclic aedificium cuneos |
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Mol fasciculi: |
24295-03-2.mol |
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|
|
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punctum liquescens |
65.5°C |
|
fervens |
89-91 °C12 mm Hg(lit.) |
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density |
1.227 g/mL ad 25 °C(lit.) |
|
FEMA |
3328 | 2-ACETYLTHIAZOLE |
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refractivus index |
n20/D 1.548(lit.) |
|
Fp |
173 °F |
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repono temp. |
Repone infra +30°C. |
|
pka |
0.05± 0.10 (Praedicta) |
|
forma |
Pulvis vel Crystal |
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color |
Alba vel subflavum |
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Gravitas Imprimis |
1.23 |
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Sensitiva |
Stench |
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JECFA Number |
1041 |
|
BRN |
109803 |
|
CAS Reference |
24295-03-2(CAS DataBase Reference) |
|
NIST Chemia Reference |
2-Acetylthiazole(24295-03-2) |
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EPA Substantia Registry System |
Ethanone, 1-(2-thiazolyl)- (24295-03-2) |
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Periculum Codes |
Xn, Xi |
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Periculum Denunciationes |
22-36-43-36/37/38 |
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Salus Denunciationes |
26-36/37-24/25-36 |
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RIDADR |
3334 |
|
WGK Germania |
3 |
|
F |
13 |
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Aleam Nota |
Irritant/Stench |
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TSCA |
T |
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HazardClass |
FOETORIUS |
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HS Code |
29341000 |
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Chemical Properties |
Liquor hyalinae viridis caepe, herbae, odore gramineo. Adhibetur ut sapor augens et CONDITIO agente |
|
Praeparatio |
Ex oxidatione carbinoli respondentis utendi dichromate |
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Aroma limina values |
Deprehensio in IV ppb |
|
Gustus limina values |
Gustus habet ad XXX ppm: frumentum chip leviter vitiatum background |
|
Purificationis Methodi |
NMR spectrum sisto; si non est nimis malum, per co- lumnam efficientem distillet in vacuo. Oxime sublimatur 140-145o, m 159o, et cum cristallum ab H2O habet m 163—165.5o. [Erlenmeyer et al. Helv Chim Acta 31 1142 1948, Waisvisz et al. J Am Chem Soc 79 4524 1957, Menasseé et al. Helv Chim Acta 40 554 1957, Beilstein 27 IV 2617.] |
|
Rudis materiae |
Ethyl acetate-->Diethyl ether-->Dichromate, Ion chromatographia normae solutio, Specpure, Cr2O7ˉ2 1000μg/ml |
