Benzoesure
Bezeichnung:Benzoesure
CAS-Nr65-85-0
Englisch Name:Benzoic acid
CBNumberCB8698780
SummenformelC7H6O2
Molgewicht122.12
MOL-Datei65-85-0.mol
Synonyma
Benzoesure
Benzolcarbons?ure
Phenylcarbons?ure
Benzoesure physikalisch-chemischer Eigenschaften
Schmelzpunkt | 121-125 °C(lit.) |
Siedepunkt | 249 °C(lit.) |
Dichte | 1.08 |
Dampfdichte | 4.21 (vs air) |
Dampfdruck | 10 mm Hg ( 132 °C) |
Brechungsindex | 1.504 |
FEMA | 2131 | BENZOIC ACID |
Flammpunkt | 250 °F |
storage temp. | 2-8°C |
Löslichkeit | soluble, clear, colorless (95% ethanol, 1gm/3mL) |
Aggregatzustand | Solid |
pka | 4.19(at 25℃) |
Farbe | White to yellow-beige to orange |
PH | 3.66(1 mM solution);3.12(10 mM solution);2.6(100 mM solution); |
Geruch (Odor) | at 100.00 %. faint balsam urine |
Geruchsart | balsamic |
Wasserlöslichkeit | Slightly soluble. 0.34 g/100 mL |
Merck | 14,1091 |
Kennzeichnung gefährlicher | Xn,T,Xi |
R-Sätze: | 22-36-42/43-36/37/38-40-63-43-23/24/25-45-41-37/38-20/21/22-48/23-38-67-37 |
S-Sätze: | 26-45-37/39-24-22-36/37-24/25-23-53-36-63-39 |
RIDADR | UN 3077 9/PG 3 |
WGK Germany | 1 |
RTECS-Nr. | DG0875000 |
F | 21 |
Selbstentzündungstemperatur | 570 °C |
Hazard Note | Harmful |
TSCA | Yes |
HS Code | 2916 31 00 |
Giftige Stoffe Daten | 65-85-0(Hazardous Substances Data) |
Toxizität | LD50 orally in Rabbit: 1700 mg/kg LD50 dermal Rabbit > 5000 mg/kg |
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