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Jeneng Produk: |
2-Methyl-2-pentenoic acid |
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Sinonim: |
2-Methyl-2-pentenoicacid, 99%; StrawberriffAcid; Asam 2-metil-2-pentenoic acid; 2-hexenoate; 2-METHYL-2-PENTENOICACID; STRAWBERRIFF; RARECHEM AL BE 0127; 2-methyl-2-pentenoicaci |
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CAS: |
3142-72-1 |
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MF: |
C6H10O2 |
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MW: |
114.14 |
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EINECS: |
221-552-0 |
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Kategori Produk: |
Asam lan Estre |
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File Mol: |
3142-72-1.mol |
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Titik lebur |
26-28 ° C (surem) |
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Titik didih |
123-125 ° C30 mmHg (lit.) |
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kapadhetan |
0,979 g / mL ing25 ° C |
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kerapatan uap |
> 1 (vs udara) |
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indeks bias |
n20 / D 1.46 (surem) |
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FEMA |
3195 | 2-METHYL-2-PENTENOIC ACID |
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Fp |
226 ° F |
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pka |
5.00 ± 0,19 (Ramalan) |
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Nomer JECFA |
1210 |
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InChIKey |
JJYWRQLLQAKNAD-SNAWJCMRSA-N |
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Referensi CAS DataBase |
3142-72-1 (Referensi CAS DataBase) |
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Referensi Kimia NIST |
Asam 2-Pentenoat, 2-metil- (3142-72-1) |
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Sistem Registrasi Bahan EPA |
Asam 2-Pentenoat, 2-metil- (3142-72-1) |
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Kode Bahaya |
C |
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Pernyataan Risiko |
34-22-41 |
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Pernyataan Keamanan |
26-36 / 37 / 39-45 |
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RIDADR |
UN 3261 8 / PG 3 |
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WGK Jerman |
2 |
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TSCA |
Nggih |
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HazardClass |
8 |
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PackingGroup |
III |
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Kode HS |
29161900 |
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Katrangan |
Bisa disiapake kanthi distilasi asam 2-hidroksi-2-methylvaleric (bentuk m). |
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Properti Kimia |
2-Methyl-2-pentenoicacid duwe ambu ora enak woh. |
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Properti Kimia |
kristal putih-transparan |
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Properti Kimia |
Kanthi asam asam garing, Asam 2-Methyl-2-pentenoic ditemokake ing ambu stroberi. Asam bisa disiapake saka jenuh siji sing cocog karo Î ± -brominasi, disusul karo dehidrobrominasi. |
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Kedadeyan |
Dilaporake ditemokake instrawberry |
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Preparasi |
Kanthi distilasi asam2-hidroksi-2-methylvaleric (bentuk cis). |
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Nilai ambang rasa |
Karakteristik ing 50 ppm: asem, asam, kringet, woh wohan beri lan kaya woh-wohan. |
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Bahan baku |
Propionaldehida -> Nitrat perak |
