2-Cyanopropan-2-ol
Bezeichnung:2-Cyanopropan-2-ol
CAS-Nr75-86-5
Englisch Name:Acetone cyanohydrin
CBNumberCB1730599
SummenformelC4H7NO
Molgewicht85.1
MOL-Datei75-86-5.mol
Synonyma
2-Hydroxy-2-methylpropionitril
2-Cyanopropan-2-ol
2-Methyllactonitril
2-Cyanopropan-2-ol physikalisch-chemischer Eigenschaften
Schmelzpunkt | -19 °C (lit.) |
Siedepunkt | 82 °C/23 mmHg (lit.) |
Dichte | 0.932 g/mL at 25 °C (lit.) |
Dampfdruck | 0.3 psi ( 20 °C) |
Brechungsindex | n |
Flammpunkt | 147 °F |
storage temp. | Refrigerator |
Löslichkeit | very soluble in water, alcohol, and ether; slightly soluble in petroleum ether |
Aggregatzustand | Liquid |
pka | 11.45±0.29(Predicted) |
Farbe | Clear colorless to yellow |
Wasserlöslichkeit | miscible |
Merck | 13,68 |
Expositionsgrenzwerte | Ceiling 4 mg (1.2 ppm)/m3/15 min (NIOSH). Zholdakova et al. (1995) have recommended a maximum permissible concentration of 0.035 mg/L in water as cyanide for acetone cyanohydrin or in combination with other cyanides. |
CAS Datenbank | 75-86-5(CAS DataBase Reference) |
NIST chemische Informationen | Propanenitrile, 2-hydroxy-2-methyl-(75-86-5) |
EPA chemische Informationen | Acetone cyanohydrin (75-86-5) |
Kennzeichnung gefährlicher | T+,N |
R-Sätze: | 26/27/28-50-50/53 |
S-Sätze: | 27-45-60-61-7/9 |
RIDADR | UN 1541 6.1/PG 1 |
OEL | Ceiling: 1 ppm (4 mg/m3) [15-minute] |
WGK Germany | 3 |
RTECS-Nr. | OD9275000 |
HazardClass | 6.1(a) |
PackingGroup | I |
HS Code | 29269095 |
Giftige Stoffe Daten | 75-86-5(Hazardous Substances Data) |
Toxizität | LD50 orally in rats: 0.17 g/kg (Smyth) |