Methanol
Bezeichnung:Methanol
CAS-Nr67-56-1
Englisch Name:Methanol
CBNumberCB7854099
SummenformelCH4O
Molgewicht32.04
MOL-Datei67-56-1.mol
Synonyma
Methanol
Methylalkohol
Karbinol
Methanol physikalisch-chemischer Eigenschaften
Schmelzpunkt | -98 °C(lit.) |
Siedepunkt | 65.4 °C(lit.) |
Dichte | 0.791 g/mL at 25 °C |
Dampfdichte | 1.11 (vs air) |
Dampfdruck | 410 mm Hg ( 50 °C) |
Brechungsindex | n |
Flammpunkt | 52 °F |
storage temp. | 2-8°C |
Löslichkeit | benzene: miscible(lit.) |
pka | 15.2(at 25℃) |
Aggregatzustand | Liquid Free From Particulates |
Wichte | 0.793 (20/20℃) |
Farbe | <10(APHA) |
Relative polarity | 0.762 |
Geruch (Odor) | Faint alcohol odor detectable at 4 to 6000 ppm (mean = 160 ppm) |
Explosionsgrenze | 5.5-44%(V) |
Odor Threshold | 33ppm |
Wasserlöslichkeit | miscible |
Kennzeichnung gefährlicher | Xn,T,F |
R-Sätze: | 10-20/21/22-68/20/21/22-39/23/24/25-23/24/25-11-40-36-36/38-23/25 |
S-Sätze: | 36/37-7-45-16-24/25-23-24-26 |
RIDADR | UN 1170 3/PG 2 |
WGK Germany | 1 |
RTECS-Nr. | PC1400000 |
F | 3-10 |
Selbstentzündungstemperatur | 385 °C |
TSCA | Yes |
HS Code | 2905 11 00 |
HazardClass | 3 |
PackingGroup | II |
Giftige Stoffe Daten | 67-56-1(Hazardous Substances Data) |
Toxizität | LD50 oral (rat) 5628 mg/kg LD50 skin (rabbit) 15,840 mg/kg LC50 inhal (rat) >145,000 ppm (1 h) PEL (OSHA) 200 ppm (260 mg/m3) TLV-TWA (ACGIH) 200 ppm (260 mg/m3)—skin STEL (ACGIH) 250 ppm (328 mg/m3) |
IDLA | 6,000 ppm |
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