Dimethylacetamide
Dimethylacetamide
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Name:N,N-Dimethylacetamide

Other name:DMAC

CAS:127-19-5

EINECS:204-826-4

Molecular formula: C4H9NO

Molecular weight:87.12

InChI:InChI=1/C4H9NO/c1-4(6)5(2)3/h1-3H3

Melting point:-20℃

Density:0.937

Boiling point:164-166℃

Physico-chemical property:

Properties Colorless transparent liquid.

Solubility can be mixed with water, alcohol, ether, ester, benzene, trichloromethane and aromatic compounds                                                          and other organic solvents.

Application:

Used as raw materials for synthetic fibers and excellent polar solvents for organic synthesis; Used in organic synthesis, as a solvent, catalyst and paint remover;

DMAC is mainly used as a solvent for the spinning of synthetic fiber (acrylonitrile) and polyurethane and the synthesis of polyamide resin. It is also used for the extraction distillation solvent for the separation of phenylethylene from the C8 fraction, and is widely used in polymer films. Coatings and medicine, etc. At present, it is widely used in medicine and pesticides to synthesize antimicrobials and pesticides.

Can be used as a catalyst for reaction; Electrolytic solvent; Paint scavenger and a variety of crystalline solvent adducts and complexes.

Used as solvent, paint remover, catalyst and in organic synthesis.

ItemGrade standardResult

Superior GradeFirst-rate GradeQualified Grade/
DMAC % ≤99.999.899.599.98
Chroma (hazen  Pt-Co)≤55105
Moisture % ≥0.010.030.030.0085
Acidity (as acetic acid)0.0030.0050.010.0012
Alkalinity (as dimethylamine) %≤0.00010.00030.0005/
Iron content mg/kg ≤0.050.050.05/
Conductivity us/cm0.050.1000.200/

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