4-Aminobenzoesure
Bezeichnung:4-Aminobenzoesure
CAS-Nr150-13-0
Englisch Name:4-Aminobenzoic acid
CBNumberCB4212038
SummenformelC7H7NO2
Molgewicht137.14
MOL-Datei150-13-0.mol
Synonyma
4-Aminobenzoesure
4-Aminobenzoesure physikalisch-chemischer Eigenschaften
Schmelzpunkt | 187-189 °C(lit.) |
Siedepunkt | 251.96°C (rough estimate) |
Dichte | 1.374 g/mL at 25 °C(lit.) |
Dampfdruck | 0Pa at 25℃ |
Brechungsindex | 1.5323 (estimate) |
Flammpunkt | 250 °C |
storage temp. | 2-8°C |
Löslichkeit | 95% ethanol: soluble5%, clear to slightly hazy, colorless to yellow |
Aggregatzustand | Crystalline Powder |
pka | 2.50, 4.87(at 25℃) |
Farbe | White to light yellow |
Geruch (Odor) | Odorless |
Säure-Base-Indikators(pH-Indikatoren) | 3.5 |
PH | 3.5 (5g/l, H2O, 20℃) |
Wasserlöslichkeit | 4.7 g/L (20 ºC) |
Sensitive | Air & Light Sensitive |
Merck | 14,423 |
BRN | 471605 |
Kennzeichnung gefährlicher | Xn,Xi |
R-Sätze: | 22-36/37/38-43 |
S-Sätze: | 26-36-37/39 |
WGK Germany | 3 |
RTECS-Nr. | DG1400000 |
TSCA | Yes |
HS Code | 29224995 |
Giftige Stoffe Daten | 150-13-0(Hazardous Substances Data) |
Toxizität | LD50 in mice, rats (g/kg): 2.85, >6.0 orally (Scott, Robbins); LD50 in rabbits (g/kg): 2.0 i.v. (Richards); 1.83 orally (Cronheim) |
4-Aminobenzoesure Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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