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: 2025-12-31 14:38:37
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 | n |
| 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. |
Computed Descriptors for N,N,N',N'-Tetramethyl-1,6-hexanediamine
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![(-)-(1S,2R)-CIS-3,4-DICHLORO-N-METHYL-N-[2-(1-PYRROLIDINYL)-CYCLOHEXYL]-BENZENEACETAMIDE TARTRATE](https://img.chemicalbook.in/StructureFile/ChemBookStructure2/GIF/CB3433441.gif)
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