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100-74-3

Name N-Ethylmorpholine
CAS 100-74-3
EINECS(EC#) 202-885-0
Molecular Formula C6H13NO
MDL Number MFCD00006177
Molecular Weight 115.17
MOL File 100-74-3.mol

Chemical Properties

Appearance 4-Ethylmorpholine is a colorless liquid with an ammonia-like odor.
Melting point  -63 °C (lit.)
Boiling point  139 °C (lit.)
density  0.91 g/mL at 20 °C(lit.)
vapor pressure  8.1 hPa (20 °C)
refractive index  n20/D 1.441(lit.)
Fp  82 °F
storage temp.  Flammables area
solubility  miscible
form  Powder
pka 7.67(at 25℃)
color  Cream to beige to brown-grey
PH 11.8 (100g/l, H2O, 20℃)
Stability: Stable. Flammable. Incompatible with strong oxidizing agents. Slightly air sensitive.
explosive limit 1.9%(V)
Water Solubility  miscible
FreezingPoint  -63℃
Sensitive  Air Sensitive
BRN  102969
Exposure limits NIOSH REL: TWA 5 ppm (23 mg/m3), IDLH 100 ppm; OSHA PEL: TWA 20 ppm (94 mg/m3); ACGIH TLV: TWA 5 ppm (adopted).
Uses
Intermediate for dyestuffs, pharmaceuticals; rubber accelerators and emulsifying agents; solvent for dyes, resins, oils; catalyst in making polyurethane foams.
CAS DataBase Reference 100-74-3(CAS DataBase Reference)
NIST Chemistry Reference Morpholine, 4-ethyl-(100-74-3)
EPA Substance Registry System 100-74-3(EPA Substance)

Safety Data

Hazard Codes  C
Risk Statements 
R10:Flammable.
R21/22:Harmful in contact with skin and if swallowed .
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S16:Keep away from sources of ignition-No smoking .
RIDADR  UN 2920 8/PG 2
WGK Germany  1
RTECS  QE4025000
8-23
Autoignition Temperature 160 °C
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  29349990
Safety Profile
oison by intravenous route. Moderately toxic by ingestion. Mildly toxic by inhalation. A skin and severe eye irritant. A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidzing materials. To fight fire, use alcohol foam, foam, CO2, dry chemical. When heated to decomposition it emits toxic fumes of NOx.
Hazardous Substances Data 100-74-3(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 1640 mg/kg LD50 dermal Rabbit 900 mg/kg
IDLA 100 ppm

Hazard Information

Material Safety Data Sheet(MSDS)

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