4-Hydroxybenzoesure
Bezeichnung:4-Hydroxybenzoesure
CAS-Nr99-96-7
Englisch Name:4-Hydroxybenzoic acid
CBNumberCB1412080
SummenformelC7H6O3
Molgewicht138.12
MOL-Datei99-96-7.mol
Synonyma
4-Hydroxybenzoesure
4-Hydroxybenzoesure physikalisch-chemischer Eigenschaften
Schmelzpunkt | 213-217 °C (lit.) |
Siedepunkt | 213.5°C (rough estimate) |
Dichte | 1,46 g/cm3 |
Dampfdruck | 0Pa at 20℃ |
Brechungsindex | 1.4600 (estimate) |
FEMA | 3986 | 4-HYDROXYBENZOIC ACID |
Flammpunkt | 199 °C |
storage temp. | Store below +30°C. |
Löslichkeit | methanol: soluble5%, clear to slightly hazy, colorless to faintly yellow |
pka | 4.48(at 19℃) |
Aggregatzustand | Crystalline Powder |
Farbe | White to ivory |
PH | 3.3 (1g/l, H2O, 20℃) |
Geruch (Odor) | at 100.00 %. phenolic nutty |
Geruchsart | phenolic |
Wasserlöslichkeit | 5 g/L (20 ºC) |
Merck | 14,4812 |
JECFA Number | 957 |
Kennzeichnung gefährlicher | Xi |
R-Sätze: | 36-36/37/38 |
S-Sätze: | 26-37/39-36 |
WGK Germany | 1 |
RTECS-Nr. | DH1925000 |
Selbstentzündungstemperatur | >250 °C |
TSCA | Yes |
HS Code | 29182930 |
Giftige Stoffe Daten | 99-96-7(Hazardous Substances Data) |
Toxizität | LD50 orally in Rabbit: > 5000 mg/kg |
4-Hydroxybenzoesure Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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