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Jeneng Produk: |
2-Asam butilat metil |
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CAS: |
116-53-0 |
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MF: |
C5H10O2 |
|
MW: |
102.13 |
|
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 didih |
176-177 ° C (surem) |
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kapadhetan |
0,936 g / mL ing25 ° C (lit.) |
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tekanan uap |
0,5 mm Hg (20 ° C) |
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FEMA |
2695 | 2-METHYLBUTYRIC ACID |
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indeks bias |
n20 / D 1.405 (lit.) |
|
Fp |
165 ° F |
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temp panyimpenan |
0-6 ° C |
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kelarutan |
20g / l |
|
pka |
4.8 (jam 25â „ƒ) |
|
wujud |
Cairan |
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warna |
Kuning topale tanpa warna kuning |
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watesan bledosan |
1,6-7,3% (V) |
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Kelarutan Banyu |
45 g / L (20 ºC) |
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Nomer JECFA |
255 |
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BRN |
1720486 |
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Referensi CAS DataBase |
116-53-0 (Referensi CAS DataBase) |
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Referensi Kimia NIST |
Asam butanoat, 2-metil- (116-53-0) |
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Sistem Registrasi Bahan EPA |
Asam 2-Methylbutyric (116-53-0) |
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Kode Bahaya |
C |
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Pernyataan Risiko |
21 / 22-34 |
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Pernyataan Keamanan |
26-36 / 37 / 39-45 |
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RIDADR |
UN 3265 8 / PG 3 |
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WGK Jerman |
1 |
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RTECS |
EK7897000 |
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F |
13 |
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TSCA |
Nggih |
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HazardClass |
8 |
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PackingGroup |
III |
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Kode HS |
29156090 |
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Katrangan |
Asam 2-Methylbutyric duwe ambu sing wangi lan akut sing padha karo keju Roquefort kanthi rasa akut. Pengenceran Atlow, duwe rasa buah sing nyenengake. Bisa disiapake bydecarboxylation saka metil etil asam malonic (kanthi panas); uga kanthi oksidasiofilasi amil alkohol (minyak fusel). |
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Properti Kimia |
Asam 2-Methylbutyric duwe ambu sing wangi lan akut sing padha karo keju Roquefort kanthi rasa akut. Pengenceran Atlow, duwe rasa buah sing nyenengake |
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Properti Kimia |
cairan kekuningan topale tanpa warna sing jelas |
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Migunakake |
Digunakake ing sintesis anhidrida 2-methylbutyric |
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Definisi |
ChEBI: Asam amethylbutyric ngemot inti asam butyric sing nggawa 2-methylsubstituent. Diprodhuksi saka leusin asam amino sajrone inbacteria keluwen nutrisi. |
|
Nilai ambang ambu |
Deteksi: 10 nganti 60ppb. Karakteristik aroma ing 1,0%: asam asem, pungen, kulit woh mateng, lingon [1] woh wohan beri, keju murah, buah nanas fermentasi kanthi nuansa kayu |
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Nilai ambang rasa |
Tastecharacteristics at 10 ppm: reged, asam asam, woh sing mateng, karo susu lan enak keju |
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Bahan baku |
MINYAK FUSEL -> asam methylethylmalonic |
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Produk Preparasi |
3-Methyl-butyramidine HCl -> asam Methylbutyric -> 2-Methylbutyl 2-methylbutyrate -> FEMA 3632 -> FEMA 3393 -> STANDAR ISOVALERAT HEXYL FOR GC |
