120-94-5

Name 1-Methylpyrrolidine
CAS 120-94-5
EINECS(EC#) 204-438-5
Molecular Formula C5H11N
MDL Number MFCD00003173
Molecular Weight 85.15
MOL File 120-94-5.mol
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Chemical Properties

Appearance CLEAR COLOURLESS LIQUID
Melting point  -90 °C
Boiling point  76-80 °C (lit.)
density  0.819 g/mL at 25 °C(lit.)
vapor pressure  100 hPa (20 °C)
refractive index  n20/D 1.425
Fp  −7 °F
storage temp.  Flammables area
solubility  213g/l
form  Liquid
pka 10.32(at 25℃)
color  Clear colorless
PH 11.3 (1g/l, H2O)
explosive limit 1.1-9.1%(V)
Water Solubility  fully miscible
Detection Methods GC
BRN  102445
Henry's Law Constant 3.3×10-1 mol/(m3Pa) at 25℃, Cabani et al. (1971)
InChI 1S/C5H11N/c1-6-4-2-3-5-6/h2-5H2,1H3
InChIKey AVFZOVWCLRSYKC-UHFFFAOYSA-N
SMILES CN1CCCC1
LogP 1.1 at 23℃
CAS DataBase Reference 120-94-5(CAS DataBase Reference)
NIST Chemistry Reference Pyrrolidine, 1-methyl-(120-94-5)
EPA Substance Registry System 120-94-5(EPA Substance)
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Safety Data

Symbol(GHS)  Flame (GHS02)Corrosion (GHS05)Skull and Crossbones (GHS06)Environment (GHS09)
GHS02,GHS05,GHS06,GHS09
Signal word  Danger
Hazard statements  H225-H301-H314-H332-H411
Precautionary statements  P210-P273-P280-P301+P310+P330-P303+P361+P353-P305+P351+P338
Hazard Codes  F,C,N
Risk Statements 
R11:Highly Flammable.
R22:Harmful if swallowed.
R34:Causes burns.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R35:Causes severe burns.
R20/22:Harmful by inhalation and if swallowed .
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
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) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S29:Do not empty into drains .
RIDADR  UN 2924 3/PG 2
WGK Germany  2
RTECS  UY1420500
Autoignition Temperature 170 °C DIN 51794
TSCA  Yes
REACH Registrations Active
HazardClass  3
PackingGroup  II
HS Code  29339900
Storage Class 3 - Flammable liquids
Hazard Classifications Acute Tox. 3 Oral
Acute Tox. 4 Inhalation
Aquatic Chronic 2
Flam. Liq. 2
Skin Corr. 1A
Safety Profile
Poison by intraperitoneal and intravenous routes. This material is strongly alkaline. Liquid and vapors are corrosive to the skin, eyes, or mucous membranes. A very dangerous fire hazard; keep away from sparks, heat sources, and powerful oxidizers. Keep in closed containers. To fight fire, use alcohol foam. When heated to decomposition it emits highly toxic fumes of NOx.
Toxicity
LD50 orally in Rabbit: 280 mg/kg

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