Propionsure
Bezeichnung:Propionsure
CAS-Nr79-09-4
Englisch Name:Propionic acid
CBNumberCB4138567
SummenformelC3H6O2
Molgewicht74.08
MOL-Datei79-09-4.mol
Synonyma
Propionsure
Ethylameisens?ure
Methylessigs?ure
Propionsure physikalisch-chemischer Eigenschaften
Schmelzpunkt | −24-−23 °C(lit.) |
Siedepunkt | 141 °C(lit.) |
Dichte | 0.993 g/mL at 25 °C(lit.) |
Dampfdichte | 2.55 (vs air) |
Dampfdruck | 2.4 mm Hg ( 20 °C) |
Brechungsindex | n |
FEMA | 2924 | PROPIONIC ACID |
Flammpunkt | 125 °F |
storage temp. | Store below +30°C. |
Löslichkeit | organic solvents: soluble(lit.) |
pka | 4.86(at 25℃) |
Aggregatzustand | Liquid |
Wichte | 0.996 (20/4℃) |
Farbe | ≤10, APHA: |
PH | 3.96(1 mM solution);3.44(10 mM solution);2.94(100 mM solution); |
Geruch (Odor) | at 0.10 % in propylene glycol. pungent acidic cheesy vinegar |
Geruchsart | acidic |
Odor Threshold | 0.0057ppm |
Kennzeichnung gefährlicher | C |
R-Sätze: | 36/37/38-34-10 |
S-Sätze: | 26-36-45-23 |
RIDADR | UN 3463 8/PG 2 |
WGK Germany | 1 |
RTECS-Nr. | UE5950000 |
Selbstentzündungstemperatur | 955 °F |
TSCA | Yes |
HazardClass | 8 |
PackingGroup | II |
HS Code | 29155010 |
Giftige Stoffe Daten | 79-09-4(Hazardous Substances Data) |
Toxizität | LD50 orally in rats: 4.29 g/kg (Smyth) |
Propionsure Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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