Kode CAS Asam Asam 2-Methyl Butyric yaiku 116-53-0
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Jeneng Produk: |
Asam Butyric 2-Methyl |
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CAS: |
116-53-0 |
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Mf: |
C5H10O2 |
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Mw: |
102.13 |
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EineCs: |
204-145-2 |
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File mol: |
116-53-0.mol |
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Titik lebur |
-70 ° C |
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Titik Giling |
176-177 ° C (lit.) |
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Kapadhetan |
0.936 g / ml ing 25 ° C (Lit.) |
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meksa uap |
0,5 mm Hg (20 ° C) |
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FEMA |
2695 | 2-methylbutyric asam |
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Indeks Refleksi |
N20 / d 1.405 (amben.) |
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FP |
165 ° F |
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Temp panyimpenan. |
0-6 ° C |
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kelarutan |
20g / l |
|
PKA |
4.8 (ing 25 ℃) |
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Formulir |
Cairan |
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Werna |
Tanpa warna tanpa pucatan kuning |
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Watesan Letupan |
1.6-7.3% (v) |
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Kelarutan banyu |
45 g / l (20 ºc) |
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Jecfa Nomer |
255 |
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Brn |
1720486 |
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Rujukan Database CAS |
116-53-0 (referensi database CAS) |
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Cathetan Kimia NIST |
Asam Butanoic, 2-metil- (116-53-0) |
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Sistem Registri EPA |
2-metilbutyric asam (116-53-0) |
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Kode Hazard |
C |
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Pernyataan Resiko |
21 / 22-34 |
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Pratelan safety |
26-36 / 37 / 39-45 |
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Ridadr |
3265 8 / pg 3 |
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WGK Jerman |
1 |
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RTEK |
EK7897000 |
|
F |
13 |
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Tsca |
Ya |
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Hazardclass |
8 |
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Packinggroup |
III |
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Kode hs |
29156090 |
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Katrangan |
2-methylbutyric asam Nduwe ambu ora enak, acrid padha karo keju roquefort kanthi rasa ARTRID. Ing Dilasi rendah, duwe rasa sing nyenengake. Bisa disiapake decarboxxyLation asam metil malonik metalon (kanthi panas); uga dening oksidasi fermentasi amil alkohol (lenga fusel). |
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Properties Kimia |
2-methylbutyric asam Nduwe ambu ora enak, acrid padha karo keju roquefort kanthi rasa ARTRID. Ing Dilasi rendah, nduweni rasa sing nyenengake, fruity |
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Properties Kimia |
tanpa warna tanpa Cairan kuning pucet |
|
Nggunakake |
Digunakake ing sintesis saka anhidrida 2-methylbutyric |
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Definisi |
Chebi: a asam metylbutyric kalebu inti asam butyric sing nggawa 2 metil substituent. Diprodhuksi saka asam amino leucine sajrone keluwen nutrisi ing bakteri. |
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Nilai ambang Aroma |
Deteksi: 10 nganti 60 ppb. Karakteristik Aroma ing 1.0%: ora nguntungke asam, pungent, buah kulit, Lingon [1] Berry, Cheesy Reged, Fruity Nanas Fermentasi Karo Nance Woody |
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Nilai ambang rasa |
Rasa Karakteristik ing 10 ppm: ora asem, asem, asam sing mateng, kanthi susu Buttery lan Cheesy nance |
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Bahan mentah |
Minyak Fusel -> Asam metilethylmalonic |
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Produk Preparation |
3-methyl-butyramidine hcl -> asam methylbutyric -> 2-methylbutyl 2-metilbutyl -> FEMA 3393 -> Standard HEXYL Isovalerate kanggo GC |
