N,N,N',N'-Tetramethyl-1,6-hexanediamine

Synonym(s):1,6-Bis(dimethylamino)hexane;2,9-Dimethyl-2,9-diazadecane;Hexamethylenebis(dimethylamine);N 1 ,N 1 ,N 6 ,N 6 -Tetramethyl-1,6-hexanediamine;N ,N ,N ′,N ′-Tetramethylhexylenediamine

CAS NO.：111-18-2
Empirical Formula: C10H24N2
Molecular Weight: 172.31
MDL number: MFCD00008339
EINECS: 203-842-9
SAFETY DATA SHEET (SDS)
Update Date: 2024-10-25 23:13:37

N,N,N',N'-Tetramethyl-1,6-hexanediamine Structural

What is N,N,N',N'-Tetramethyl-1,6-hexanediamine?

Chemical properties

clear colorless to yellow liquid

The Uses of N,N,N',N'-Tetramethyl-1,6-hexanediamine

N,N,N'',N''-Tetramethyl-1,6-hexanediamine is used in the synthesis of fluorene containing poly(arylene ether sulfone) as anion exchange membranes for alkaline fuel cells.

Preparation

N,N,N',N'-Tetramethyl-1,6-hexanediamine can be made from adipodinitrile and dimethylamine or from 1,6- hexanediamine and formaldehyde.

Flammability and Explosibility

Not classified

Solubility in organics

The amine is infinitely miscible with water, methanol, acetone, ether, and benzene, but insoluble in heptane. Because of its reactivity, CCl4 cannot be used as solvent. N,N,N',N'-Tetramethyl-1,6-hexanediamine (DETA) is hygroscopic and has a strong ammoniacal odor.

Properties of N,N,N',N'-Tetramethyl-1,6-hexanediamine

Melting point:	-46 °C
Boiling point:	209-210 °C(lit.)
Density	0.806 g/mL at 25 °C(lit.)
vapor pressure	12.4Pa at 20℃
refractive index	n20/D 1.4359(lit.)
Flash point:	165 °F
storage temp.	Sealed in dry,Room Temperature
solubility	miscible
form	Liquid
pka	10.07±0.28(Predicted)
color	Clear colorless to yellow
Water Solubility	miscible
CAS DataBase Reference	111-18-2(CAS DataBase Reference)
NIST Chemistry Reference	(CH3)2N(CH2)6N(CH3)2(111-18-2)
EPA Substance Registry System	N,N,N',N'-Tetramethyl-1,6-hexanediamine (111-18-2)

Safety information for N,N,N',N'-Tetramethyl-1,6-hexanediamine

Signal word	Danger
Pictogram(s)	Corrosion Corrosives GHS05 Skull and Crossbones Acute Toxicity GHS06 Environment GHS09
GHS Hazard Statements	H314:Skin corrosion/irritation H330:Acute toxicity,inhalation H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P260:Do not breathe dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.