Molar mass

Molar Mass of Methylamine

The molar mass of methylamine (CH3NH2) is 31.058 g/mol.

Methylamine at a glance

PropertyValue
Molar mass31.058 g/mol
Molecular weight31.058 u
Chemical formulaCH3NH2
Monoisotopic mass31.0421992 u
CAS number74-89-5
PubChem CID6329

How to calculate the molar mass of methylamine

1 × 12.011 + 5 × 1.008 + 1 × 14.007 = 31.058 g/mol

  1. Count the atoms in CH3NH2: C 1, H 5, N 1.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 31.058 g/mol.

Elemental composition of methylamine

ElementAtomsAtomic weightMass (g/mol)Mass %
C Carbon112.01112.01138.673%
H Hydrogen51.0085.0416.228%
N Nitrogen114.00714.00745.099%

Grams and moles of methylamine

AmountEquals
1 g0.032198 mol
10 g0.32198 mol
100 g3.2198 mol
0.1 mol3.1058 g
1 mol31.058 g
1 g, in particles1.939 × 10^22