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4-Methylmorpholine  Structure

4-Methylmorpholine

Chemical Properties

Melting point −66 °C(lit.)
Boiling point 115-116 °C750 mm Hg(lit.)
Density  0.92 g/mL at 25 °C(lit.)
vapor density  >1 (vs air)
vapor pressure  18 mm Hg ( 20 °C)
refractive index  n20/D 1.435(lit.)
Flash point 75 °F
storage temp.  Store below +30°C.
solubility  Chloroform (Soluble), Ethyl Acetate, Methanol (Slightly)
form  Liquid
pka 7.38(at 25℃)
color  Clear
Specific Gravity 0.920 (20/4℃)
PH 10.6 (50g/l, H2O, 20℃)
explosive limit 2.1%(V)
Viscosity 0.87mm2/s
Water Solubility  >500 g/L (20 ºC)
Merck  14,6277
BRN  102719
Stability Volatile
InChIKey SJRJJKPEHAURKC-UHFFFAOYSA-N
LogP -0.32 at 25℃
CAS DataBase Reference 109-02-4(CAS DataBase Reference)
FDA UNII 11P91ANU5X
NIST Chemistry Reference Morpholine, 4-methyl-(109-02-4)
EPA Substance Registry System 4-Methylmorpholine (109-02-4)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H225-H302-H314
Precautionary statements P210-P280-P301+P312+P330-P303+P361+P353-P305+P351+P338+P310
Hazard Codes  F,C
Risk Statements  11-20/21/22-34-10-22
Safety Statements  16-26-36/37/39-45-25
RIDADR  UN 2535 3/PG 2
WGK Germany  1
RTECS  QE5775000
10-23
Autoignition Temperature 165 °C DIN 51794
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29349990
Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit 1240 mg/kg
NFPA 704:
3
3 0

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