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N,N-Dimethylaniline

N,N-Dimethylaniline structure

CAS No:
121-69-7
Formula:
C8H11N
Chemical Name:
N,N-Dimethylaniline
Synonyms:
Benzenamine,N,N-dimethyl-;Aniline,N,N-dimethyl-;N,N-Dimethylbenzenamine;Dimethylaniline;(Dimethylamino)benzene;Dimethylphenylamine;N,N-Dimethylaminobenzene;Versneller NL 63/10;N,N-Dimethylaniline;N,N-Dimethylphenylamine;NL 63-10P;EP 210;NSC 7195;DMA;Accelerator NL 63-100;162744-63-0;168153-21-7;171745-67-8
Categories:
Pharmaceutical Intermediates > Bulk Drug Intermediates

Description

Straw to brown-colored oily liquid with a characteristic amine-like odor. Odor threshold concentration is 13 ppb (quoted, Amoore and Hautala, 1983).ChEBI: A tertiary amine that is aniline in which the amino hydrogens are replaced by two methyl groups.A yellow to brown colored oily liquid with a fishlike odor. Less dense than water and insoluble in water. Flash point 150°F. Toxic by ingestion, inhalation, and skin absorption. Used to make dyes and as a solvent.Straw to brown-colored oily liq

N,N-Dimethylaniline Basic Attributes

Molecular Weight：

121.18000

Exact Mass：

121.18

EC Number：

204-493-5

HScode：

2921492000

Characteristics

PSA：

3.24000

XLogP3：

1.75260

Appearance：

N,n-dimethylaniline appears as a yellow to brown colored oily liquid with a fishlike odor. Less dense than water and insoluble in water. Flash point 150°F. Toxic by ingestion, inhalation, and skin absorption. Used to make dyes and as a solvent.

Density：

0.956 g/cm³ @ Temp: 20 °C

Melting Point：

2.50 °C

Boiling Point：

193.54 °C

Flash Point：

63ºC

Refractive Index：

1.557-1.559

Water Solubility：

H2O: 1 g/L (20 ºC)

Storage Conditions：

0-6ºC

Vapor Pressure：

2 mm Hg ( 25 °C)

Vapor Density：

3 (vs air)

Toxicity：

LD50 orally in rats: 1.41 ml/kg (Smyth)

Flammability characteristics：

Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.

Explosive limit：

vol% in air: 1

Odor：

Amine-like odor

Safety Information

Packing level：

Hazard category：

6.1

Transport codes：

UN 2253

wgk germany：

hazard class code：

R23/24/25; R40; R51/53

safety instructions：

S28-S36/37-S45-S61

RTECS Number：

BX4725000

Marks：

Storage features：

Separated from strong oxidants and food and feedstuffs. Ventilation along the floor.

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, acid anhydrides, chloroformates, halogens. Combustible.

Precautionary statement(s)：

P261-P273-P280-P301 + P310 + P330-P302 + P352 + P312-P403 + P233

Hazard Statements：

H301 + H311 + H331-H351-H411

N,N-Dimethylaniline Use and Manufacturing

N,N-Dimethylaniline is used in production of dyestuffs, as a solvent, a reagent in methylation reactions, and a hardener in fiberglass reinforced resins. Solvent; manufacture of vanillin, Michler's ketone, methyl violet and other dyes. As reagent for methanol, methyl furfural, H2O2, nitrate, alcohol, formaldehyde.N,N-Dimethylaniline is used as chemical intermediate in the manufacturing of vanillin, Michler's ketone, and dyes such as Acid Red 2, Basic Green 4 and Basic Violet 1 (Northcott 197

Computed Properties

Molecular Weight:121.18
XLogP3:2.3
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:1
Exact Mass:121.089149355
Monoisotopic Mass:121.089149355
Topological Polar Surface Area:3.2
Heavy Atom Count:9
Complexity:72.6
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

N-Methylaniline

Sodium hydroxide

Sodium carbonate

Formaldehyde

Methanol

Phosphoric acid

Sulfuric acid

Downstream Products

N-Methylaniline

Vanillin

Sodium lignosulfonate

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