Jeneng Produk: |
3,4-Dihydroxybenzaldehyde |
CAS: |
139-85-5 |
MF: |
C7H6O3 |
MW: |
138.12 |
EINECS: |
205-377-7 |
File Mol: |
139-85-5.mol |
|
Titik lebur |
150-157 ° C (surem) |
Titik didih |
213.5 ° C (paling angel) |
kapadhetan |
1.2667 (paling angel) |
indeks bias |
1,4600 (ngira) |
temp panyimpenan |
2-8 ° C |
kelarutan |
6.3g / l |
pka |
pK (25 °) 7.55 |
wujud |
Bubuk Kristal |
warna |
rada coklat |
Kelarutan Banyu |
50 g / L (20 ºC) |
Sensitif |
Sensitif Udhara |
Merck |
14.7893 |
BRN |
774381 |
Stabilitas: |
Mantep Kompatibel karo basa sing kuwat, agen oksidasi sing kuwat. |
Referensi CAS DataBase |
139-85-5 (Referensi CAS DataBase) |
Referensi Kimia NIST |
3,4-Dihydroxybenzaldehyde (139-85-5) |
Sistem Registrasi Bahan EPA |
Benzaldehyde, 3,4-dihydroxy- (139-85-5) |
Kode Bahaya |
Xi |
Pernyataan Risiko |
36/37 / 38-22 |
Pernyataan Keamanan |
26-36-37 / 39 |
WGK Jerman |
3 |
RTECS |
UL0380000 |
F |
9 |
Cathetan Bahaya |
Iritasi / AirSensitif |
Kode HS |
29124900 |
Properti Kimia |
bubuk coklat |
Metode Pemurnian |
Kristalisake tealdehida saka banyu utawa toluene lan garing ing desiccator vakum liwat KOHpellets utawa lilin abon. [Beilstein 8 IV 1762.] |
Produk Preparasi |
4'-FORMYLBENZO-15-CROWN 5-ETHER -> 3- (3,4-DIHYDROXYPHENYL) PROPIONICACID -> 3 ', 4' - (DIOCTYLOXY) BENZALDEHYDE -> 3 ', 4' - (DIDECYLOXY) BENZALDEHYDE -> 3,4-DIHYDRO-2H-1,5-BENZODIOXEPINE-7-CARBALDEHYDE |
Bahan baku |
Fosfor pentachloride |