Buttersure
Bezeichnung:Buttersure
CAS-Nr107-92-6
Englisch Name:Butyric Acid
CBNumberCB3459186
SummenformelC4H8O2
Molgewicht88.11
MOL-Datei107-92-6.mol
Synonyma
Buttersure
n-Butans?ure
Ethylessigs?ure
Buttersure physikalisch-chemischer Eigenschaften
Schmelzpunkt | ?6-?3 °C (lit.) |
Siedepunkt | 162 °C (lit.) |
Dichte | 0.964 g/mL at 25 °C (lit.) |
Dampfdichte | 3.04 (vs air) |
Dampfdruck | 0.43 mm Hg ( 20 °C) |
Brechungsindex | n |
FEMA | 2221 | BUTYRIC ACID |
Flammpunkt | 170 °F |
storage temp. | Store below +30°C. |
Löslichkeit | Chloroform (Soluble), Isopropanol (Sparingly), Methanol (Slightly) |
pka | 4.83(at 25℃) |
Aggregatzustand | Liquid |
Wichte | 0.960 (20/4℃) |
Farbe | Clear colorless |
Geruch (Odor) | at 1.00 % in dipropylene glycol. sharp acetic cheese butter fruit |
PH | 3.94(1 mM solution);3.42(10 mM solution);2.92(100 mM solution); |
Geruchsart | cheesy |
Odor Threshold | 0.00019ppm |
Kennzeichnung gefährlicher | C,Xi |
R-Sätze: | 34 |
S-Sätze: | 26-36-45 |
RIDADR | UN 2820 8/PG 3 |
WGK Germany | 1 |
RTECS-Nr. | ES5425000 |
F | 13 |
Selbstentzündungstemperatur | 824 °F |
Hazard Note | Irritant |
TSCA | Yes |
HS Code | 2915 60 19 |
HazardClass | 8 |
PackingGroup | III |
Giftige Stoffe Daten | 107-92-6(Hazardous Substances Data) |
Toxizität | LD50 orally in rats: 8.79 g/kg (Smyth) |
Buttersure Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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