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2556-73-2

Name N-Methylcaprolactam
CAS 2556-73-2
EINECS(EC#) 219-874-1
Molecular Formula C7H13NO
MDL Number MFCD00003263
Molecular Weight 127.18
MOL File 2556-73-2.mol
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Chemical Properties

Appearance clear colorless to light yellow liquid
Boiling point  106-108 °C/6 mmHg (lit.)
density  0.991 g/mL at 25 °C(lit.)
refractive index  n20/D 1.484(lit.)
Fp  218 °F
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol (Sparingly)
form  Oil
pka -0.41±0.20(Predicted)
color  Colourless
Specific Gravity 0.991
Water Solubility  Fully miscible with water.
Sensitive  Hygroscopic
Merck  5989
CAS DataBase Reference 2556-73-2(CAS DataBase Reference)
NIST Chemistry Reference 2H-Azepin-2-one, hexahydro-1-methyl-(2556-73-2)
EPA Substance Registry System 2H-Azepin-2-one, hexahydro-1-methyl- (2556-73-2)

Safety Data

Hazard Codes  Xn
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R21/22:Harmful in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
WGK Germany  3
RTECS  CM4025000
HS Code  29337900

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