Phthalsureanhydrid
Bezeichnung:Phthalsureanhydrid
CAS-Nr85-44-9
Englisch Name:Phthalic anhydride
CBNumberCB7414905
SummenformelC8H4O3
Molgewicht148.12
MOL-Datei85-44-9.mol
Synonyma
Phthalsureanhydrid
1,2-Benzoldicarbons?ureanhydrid
1,3-Isobenzofurandion
Phthalsureanhydrid physikalisch-chemischer Eigenschaften
Schmelzpunkt | 131-134 °C(lit.) |
Siedepunkt | 284 °C(lit.) |
Dichte | 1,53 g/cm3 |
Dampfdichte | 5.1 (vs air) |
Dampfdruck | <0.01 mm Hg ( 20 °C) |
Brechungsindex | 1.4500 (estimate) |
Flammpunkt | 152 °C |
storage temp. | Store below +30°C. |
Löslichkeit | 6g/l (slow decomposition) |
Aggregatzustand | Flaky Crystals |
pka | 2.97[at 20 ℃] |
Farbe | White |
Geruch (Odor) | Characteristic choking odor |
Säure-Base-Indikators(pH-Indikatoren) | 2 at 6 g/l at 20 °C |
PH | 2 (6g/l, H2O, 20℃) |
Explosionsgrenze | 1.7-10.5%(V) |
Wasserlöslichkeit | 6 g/L (20 ºC) |
Sensitive | Moisture Sensitive |
Kennzeichnung gefährlicher | Xn |
R-Sätze: | 22-37/38-41-42/43 |
S-Sätze: | 23-24/25-26-37/39-46-22 |
RIDADR | 2214 |
WGK Germany | 1 |
RTECS-Nr. | TI3150000 |
F | 10-21 |
Selbstentzündungstemperatur | 580 °C |
TSCA | Yes |
HazardClass | 8 |
PackingGroup | III |
HS Code | 29173500 |
Giftige Stoffe Daten | 85-44-9(Hazardous Substances Data) |
Toxizität | LD50 orally in Rabbit: 1530 mg/kg LD50 dermal Rabbit > 3160 mg/kg |
IDLA | 60 mg/m3 |
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