dimethylamine

• ChemBase ID: 77098
• Molecular Formular: C2H7N
• Molecular Mass: 45.08368
• Monoisotopic Mass: 45.05784923
• SMILES: N(C)C
• Canonical SMILES: CNC
• InChI: InChI=1S/C2H7N/c1-3-2/h3H,1-2H3
• InChIKey: ROSDSFDQCJNGOL-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dimethylamine
• IUPAC Traditional name: dimethylamine
• Synonyms: N-Methylmethanamine; Dimethylamine; Dimethylamine, 40% aqueous solution; Dimethylamine; Dimethylamine solution; 二甲胺; 二甲胺 溶液

Database IDs

• CAS Number: 124-40-3
• EC Number: 204-697-4
• MDL Number: MFCD00008288
• Beilstein Number: 605257
• Merck Index: 143228
• PubChem SID: 24864274; 24866705; 24864290; 24864412; 24864215; 162041972; 24857770
• PubChem CID: 674
• CHEBI ID: 17170
• CHEMBL: 120433
• Chemspider ID: 654
• Gmelin ID: 849
• KEGG ID: C00543
• MeSH Name: dimethylamine
• Unique Ingredient Identifier: ARQ8157E0Q
• Wikipedia Title: Dimethylamine

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 1
• LogD (pH = 5.5): -3.427765
• LogD (pH = 7.4): -3.0703833
• Log P: -0.19287847
• Molar Refractivity: 14.6934 cm^3
• Polarizability: 5.9539757 Å^3
• Polar Surface Area: 12.03 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 3.540 kg L^-1 in water
• Apperance: Colorless gas; Liquid; Liquid in Ampoule
• Melting Point: -93 °C(lit.); -93.00°C (180.15K)
• Boiling Point: ~60 °C; 6.85000000000002 - 8.85000000000002°C (280 - 282 K); 7 °C(lit.)
• Flash Point: 15°C(60°F); 16 °C; -16 °C; 16°C; 21.2 °F; -25.6 °F; 3.2 °F; -32 °C; -32.8 °F; -36 °C; 41 °F; 5 °C; -6 °C; 60.8 °F
• Auto Ignition Point: 401 °C; 753 °F
• Density: 0.68 g/mL at 20 °C(lit.); 0.775 g/mL at 25 °C; 0.85 g/mL at 25 °C; 0.89; 0.89 g/mL at 25 °C; 0.890
• Refractive Index: 1.3700; n20/D 1.37
• Vapor Pressure: 1277 mmHg ( 20 °C); 16.97 psi ( 55 °C); 170.3 kPa (at 20 °C); 212 mmHg ( 20 °C)
• Vapor Density: 1.55 (15 °C, vs air); 1.55 (vs air)
• Partition Coefficient: -0.362
• pKa: 10.64
• pKb: 3.36
• Henry Constant: 310 μmol Pa^-1 kg^-1
• Odor: Ichtyal, ammoniacal
• Std enthalpy of formation: -21–-17 kJ mol^-1

Safety Information

• Storage Warning: Highly Flammable/Corrosive/Hygroscopic
• RTECS: IP8750000
• European Hazard Symbols: Corrosive (C); Flammable (F); Highly flammable (F+); Toxic (T); X; Harmful (Xn)
• UN Number: 1032; 1160; 1992; 2924; UN1160
• German water hazard class: 2
• Hazard Class: 2.1; 3
• Packing Group: 1; 2; II
• Risk Statements: 11-19-20-37/38-41; 11-20/22-34; 11-20-37/38-41; 11-23/24/25-37/38-39/23/24/25-41; 12-20-37/38-41; r12, r20, r37/38, r41
• Safety Statements: 16-26-36/37/39-45; 16-26-39; 9-16-23-26-36/37/39; s2, s16, s26, s39
• TSCA Listed: 是
• EU Index: 612-001-00-9
• GHS Pictograms: GHS corrosion; GHS exclamation mark; GHS flame; GHS02; GHS04; GHS05; GHS06; GHS07; GHS08
• GHS Signal Word: DANGER; Danger
• NFPA704:
  

  4

  3

  0
• Explode Limits: 14.4 %; 2.8–14.4%
• GHS Hazard statements: 220, 302, 315, 318, 332, 335; H220-H280-H302-H315-H318-H332-H335; H220-H280-H315-H318-H332-H335; H225-H280-H302-H315-H318-H332-H335; H225-H301-H311-H315-H318-H331-H370; H225-H302-H314; H225-H302-H314-H332; H225-H302-H314-H332-H335; H225-H302-H314-H335; H225-H302-H315-H318-H335; H225-H314-H335; H225-H331-H302-H335-H314-H318
• GHS Precautionary statements: 210, 261, 280, 305+351+338; P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A; P210-P260-P280-P301 + P310-P305 + P351 + P338-P311; P210-P261-P280-P305 + P351 + P338; P210-P261-P280-P305 + P351 + P338-P310; P210-P261-P280-P305 + P351 + P338-P410 + P403; P210-P280-P305 + P351 + P338-P310
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US); Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Eyeshields, Faceshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US); Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1032 2.1; UN 1160 3/PG 2; UN 1992 3/PG 2; UN 2924 3/PG 1; UN 2924 3/PG 2
• Supplemental Hazard Statements: May form explosive peroxides.

Product Information

• Purity: ≥99%; ≥99.0%; ≥99.5%; 40% w/w aq. soln.
• Concentration: 2.0 M in methanol; 2.0 M in THF; 33% in absolute ethanol (~5.6 M); 40 wt. % in H2O; 40% in H2O (~7.9 M); 50% in H2O; 60% in H2O (~11.0 M)
• Grade: anhydrous; CP; purum
• Packaging: 1 ea of 250 mL
• Impurities: ≤0.05% ammonia; ≤0.2% methylamine; ≤0.2% trimethylamine
• Linear Formula: (CH3)2NH

DETAILS

Sigma Aldrich - 145874

Legal Information
DuPont product

Sigma Aldrich - 38930

Other Notes
Sales restrictions may apply
Packaging
pressure tin with 100 mL (net ~68 g)

Sigma Aldrich - 38936

Other Notes
Sales restrictions may apply
Packaging
Cylinder with net ~15 kg

Sigma Aldrich - 295280

Packaging
1 kg in Sure-Pac™
100, 400 g in Sure-Pac™
Recommended products
Stainless steel hose adapter Z146838 or stainless steel body mini gas regulator Z513547 is recommended.

Sigma Aldrich - 38931

Other Notes
Sales restrictions may apply
Packaging
pressure tin with 250 mL (net ~170 g)

Sigma Aldrich - 388246

Packaging
25, 4×25, 100 mL in Sure/Seal™

Sigma Aldrich - 426458

Packaging
1, 2 L in glass bottle
100 mL in glass bottle

Sigma Aldrich - 391956

Packaging
100, 800 mL in Sure/Seal™

Sigma Aldrich - 38932

Other Notes
Sales restrictions may apply
Packaging
Cylinder with net ~1.1 kg