Methyl-4-hydroxybenzoat
Bezeichnung:Methyl-4-hydroxybenzoat
CAS-Nr99-76-3
Englisch Name:Methylparaben
CBNumberCB0184566
SummenformelC8H8O3
Molgewicht152.15
MOL-Datei99-76-3.mol
Synonyma
Methyl-4-hydroxybenzoat
Methyl-4-hydroxybenzoat physikalisch-chemischer Eigenschaften
Schmelzpunkt | 125-128 °C (lit.) |
Siedepunkt | 298.6 °C |
Dichte | 1,46g/cm |
Dampfdruck | 0.000005 hPa (20 °C) |
Brechungsindex | 1.4447 (estimate) |
FEMA | 2710 | METHYL P-HYDROXYBENZOATE |
Flammpunkt | 280°C |
storage temp. | room temp |
Löslichkeit | ethanol: soluble0.1M, clear, colorless |
pka | pKa 8.15(H2O,t =20.0) (Uncertain) |
Aggregatzustand | Crystalline Powder |
Farbe | White to almost white |
PH | 5.8 (H2O, 20°C) (saturated solution) |
Geruch (Odor) | odorless or faint char. odor, sl. burning taste |
Wasserlöslichkeit | Slightly soluble in water. |
FreezingPoint | 131℃ |
Merck | 14,6107 |
BRN | 509801 |
Kennzeichnung gefährlicher | Xi,Xn |
R-Sätze: | 36/37/38-20/21/22-36 |
S-Sätze: | 26-36-24/25-39 |
RIDADR | UN 2769 |
WGK Germany | 1 |
RTECS-Nr. | DH2450000 |
Selbstentzündungstemperatur | >600 °C |
TSCA | Yes |
HS Code | 29182930 |
Giftige Stoffe Daten | 99-76-3(Hazardous Substances Data) |
Toxizität | LD50 orally in Rabbit: 2100 mg/kg |
Methyl-4-hydroxybenzoat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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