Basic information
- Name:
3-Dimethylaminopropylamine
- CAS No.:
109-55-7
- Molecular Structure:

- Formula:
- C5H14N2
- Molecular Weight:
- 102.18
- Deleted CAS:
- 68497-58-5
- Synonyms:
- 1,3-Propanediamine,N,N-dimethyl- (6CI,8CI,9CI);(3-Aminopropyl)dimethylamine;(3-Dimethylaminopropan-1-yl)amine;1,1-Dimethyl-1,3-propylenediamine;1-(Dimethylamino)-3-aminopropane;1-Amino-3-(dimethylamino)propane;3-(Dimethylamino)-1-aminopropane;3-(Dimethylamino)-1-propanamine;3-(Dimethylamino)-1-propylamine;3-(Dimethylamino)propanamine;3-(Dimethylamino)propylamine;3-Amino-1-(dimethylamino)propane;3-N,N-Dimethylaminopropylamine;N,N-Dimethyl-1,3-diaminopropane;N,N-Dimethyl-1,3-propanediamine;N,N-Dimethyl-1,3-propylenediamine;N,N-Dimethyl-3-aminopropylamine;N,N-Dimethyl-N-(3-aminopropyl)amine;
- EINECS:
- 203-680-9
- Density:
- 0.803 g/cm3
- Melting Point:
- -60 °C
- Boiling Point:
- 107.8 °C at 760 mmHg
- Flash Point:
- 9.1 °C
- Solubility:
- Soluble in water
- Appearance:
- Colorless liquid
- Hazard Symbols:
C- Risk Codes:
- 10-22-34-43
- Safety Description:
- 26-36/37/39-45 Details
- Transport Information:
- UN 2733 3/PG 3
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Chemistry
Molecular Structure of 3-Dimethylaminopropylamine (CAS NO.109-55-7):
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IUPAC Name: N,N-dimethylpropane-1,3-diamine
Empirical Formula: C5H14N2
Molecular Weight: 102.1781
H bond acceptors: 2
H bond donors: 1
Freely Rotating Bonds: 3
Polar Surface Area: 6.48 Å2
Index of Refraction: 1.425
Molar Refractivity: 32.52 cm3
Molar Volume: 127.1 cm3
Surface Tension: 25.1 dyne/cm
Density: 0.803 g/cm3
Flash Point: 9.1 °C
Enthalpy of Vaporization: 34.66 kJ/mol
Boiling Point: 107.8 °C at 760 mmHg
Vapour Pressure: 26.7 mmHg at 25°C
Melting point: -60 °C
storage temp: Flammables area
Water Solubility: Soluble
FreezingPoint: -70°C
BRN: 605293
EINECS: 203-680-9
InChI
InChI=1/C5H14N2/c1-7(2)5-3-4-6/h3-6H2,1-2H3
Smiles
C(N(C)C)CCN
Classification Code: Skin / Eye Irritant
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rabbit | LD50 | skin | 600uL/kg (0.6mL/kg) | Union Carbide Data Sheet. Vol. 12/15/1971, | |
| rat | LD50 | oral | 1870mg/kg (1870mg/kg) | American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962. |
Safety Profile
Hazard Codes:
C
Risk Statements: 10-22-34-43
R10:Flammable.
R22:Harmful if swallowed.
R34:Causes burns.
R43:May cause sensitization by skin contact.
Safety Statements: 26-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2733 3/PG 3
WGK Germany: 2
RTECS: T7525000
HazardClass: 8
PackingGroup: II
HS Code: 29212900
Specification
3-Dimethylaminopropylamine , with CAS number of 109-55-7, can be called 1,3-Propanediamine,N,N-dimethyl- (6CI,8CI,9CI) ; (3-Aminopropyl)dimethylamine ; (3-Dimethylaminopropan-1-yl)amine ; 3-(Dimethylamino)propylamine ; N,N-Dimethyl-3-aminopropylamine ; N,N-Dimethyl-N-(3-aminopropyl)amine ; N',N'-Dimethylpropane-1,3-diamine ; g-Dimethylaminopropylamine . It is a clear liquid, 3-Dimethylaminopropylamine (CAS NO.109-55-7) is incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

