426458

Dimethylamine solution

40 wt. % in H₂O

• Synonym(s): DMA
• Linear Formula: (CH₃)₂NH
• CAS Number: 124-40-3
• Molecular Weight: 45.08
• Beilstein: 605257
• MDL number: MFCD00008288
• UNSPSC Code: 12352116
• PubChem Substance ID: 24866705
• NACRES: NA.22

Properties

• vapor density: 1.55 (vs air)
• vapor pressure: 16.97 psi ( 55 °C); 212 mmHg ( 20 °C)
• form: liquid
• autoignition temp.: 753 °F
• concentration: 38-42% (with HCl, titration); 40 wt. % in H₂O
• refractive index: n20/D 1.37
• density: 0.89 g/mL at 25 °C
• SMILES string: CNC
• InChI: 1S/C2H7N/c1-3-2/h3H,1-2H3
• InChI key: ROSDSFDQCJNGOL-UHFFFAOYSA-N

Description

General description

Dimethylamine is utilized as a building block or reagent in the production of polyurethanes, ion-exchange resins, and dyes.

Application

Dimethylamine (DMA) solution can be used:

• To synthesize Ge₇O_14.5F₂‚[(CH₃)₂NH₂]₃(H₂O)_0.86, a germanate-based porous inclusion complex.
• To synthesize ethyl 2-dimethylamino-4,6-diarylpyrimidine-5-carboxylates.
• To convert 5′-bromo-2,2′-bithiophene-5carboxaldehyde to 5′-dimethylamino-2,2′-bithiophene-5-carboxaldehyde.

Safety Information

• Pictograms: GHS02,GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H314,H332,H335,H412
• Precautionary Statements: P210 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): 60.8 °F - closed cup
• Flash Point(C): 16 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves