CAS No.7328-91-8,2,2-Dimethyl-1,3-propanediamine Suppliers

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Basic Information

Molecular Structure:
CAS No.:	7328-91-8
Name:	2,2-Dimethyl-1,3-propanediamine
Article Data:	19

Formula:	C₅H₁₄N₂
Molecular Weight:	102.18
Synonyms:	(3-Amino-2,2-dimethylpropyl)amine;1,2-Diamino-2,2-dimethylpropane;1,3-Diamino-2,2-dimethylpropane;2,2-Dimethyltrimethylenediamine;NSC 17719;
EINECS:	230-819-0
Density:	0.862 g/cm³
Melting Point:	29-31 °C(lit.)
Boiling Point:	150.4 °C at 760 mmHg
Flash Point:	47.2 °C
Appearance:	clear to yellow liquid or semi-solid
Hazard Symbols:	C
Risk Codes:	10-34
Safety:	16-26-27-36/37/39-45
Transport Information:	UN 2921 8/PG 2
PSA:	52.04000
LogP:	1.33060

Synthetic route

: 41882-44-4
2,2-dimethylmalonamide

: 7328-91-8
2,2-Dimethyl-1,3-diaminopropane

Conditions

Conditions	Yield
With dimethylsulfide borane complex In tetrahydrofuran for 2h; Heating;	75%

: 67744-70-1
3-amino-2,2-dimethyl-propionitrile

: 7328-91-8
2,2-Dimethyl-1,3-diaminopropane

Conditions

Conditions	Yield
With methanol; nickel Hydrogenation;

: 2,2-dimethyl-1,3-diphthalimido-propane

: 7328-91-8
2,2-Dimethyl-1,3-diaminopropane

Conditions

Conditions	Yield
With potassium hydroxide; water

: 762-98-1
2,2-dimethyl-1,3-dinitropropane

: 7328-91-8
2,2-Dimethyl-1,3-diaminopropane

Conditions

Conditions	Yield
With hydrogenchloride; water; iron at 100℃; durch Reduktion;
With methanol; nickel under 30891.3 Torr; Hydrogenation;
With methanol; nickel at 50 - 75℃; under 51485.6 Torr; Hydrogenation;
With hydrogen; nickel

: 762-98-1
2,2-dimethyl-1,3-dinitropropane

A: 7328-91-8
2,2-Dimethyl-1,3-diaminopropane

B: 41882-44-4
2,2-dimethylmalonamide

Conditions

Conditions	Yield
With ethanol; nickel at 60℃; under 51485.6 Torr; Hydrogenation;
With ethanol; nickel at 60℃; under 51485.6 Torr; Hydrogenation;

: 31044-89-0
1,3-diazido-2,2-dimethyl-propane

: 7328-91-8
2,2-Dimethyl-1,3-diaminopropane

Conditions

Conditions	Yield
With lithium aluminium tetrahydride In tetrahydrofuran for 18h; Heating;

: 126-30-7
2,2-Dimethyl-1,3-propanediol

A: 26734-09-8
3-amino-2,2-dimethylpropan-1-ol

B: 7328-91-8
2,2-Dimethyl-1,3-diaminopropane

Conditions

Conditions	Yield
With ammonia; hydrogen; Co-Fe catalyst at 210℃; under 37503 - 112509 Torr; Product distribution;

: 7647-01-0
hydrogenchloride

: 859065-87-5
2-(5,5-dimethyl-hexahydro-pyrimidin-2-yl)-2-methyl-propionic acid amide

: 60-29-7
diethyl ether

: 64-17-5
ethanol

A: 7328-91-8
2,2-Dimethyl-1,3-diaminopropane

B 2,2-dimethyl-3-oxo-propionic acid amide (as 2,4-dinitro-phenyl hydrazone isolated): 2,2-dimethyl-3-oxo-propionic acid amide (as 2,4-dinitro-phenyl hydrazone isolated)

...Expand

: 64-17-5
ethanol

: 762-98-1
2,2-dimethyl-1,3-dinitropropane

Raney nickel: Raney nickel

A: 7328-91-8
2,2-Dimethyl-1,3-diaminopropane

B: 41882-44-4
2,2-dimethylmalonamide

Conditions

Conditions	Yield
at 60℃; under 51485.6 Torr; Hydrogenation;
at 60℃; under 51485.6 Torr; Hydrogenation;

...Expand

: 7647-01-0
hydrogenchloride

: 114583-17-4
α-(nitromethyl)isobutyronitrile

iron powder: iron powder

A: 859065-87-5
2-(5,5-dimethyl-hexahydro-pyrimidin-2-yl)-2-methyl-propionic acid amide

B: 7328-91-8
2,2-Dimethyl-1,3-diaminopropane

C: 67744-70-1
3-amino-2,2-dimethyl-propionitrile

D: 324763-51-1
aminopivalinamide

Conditions

Conditions	Yield
at 60 - 70℃;
at 60 - 70℃;

...Expand

Raw Materials

595-46-0

762-98-1

126-30-7

60-29-7

Downstream Products

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Specification

The CAS registry number of Neopentyldiamine is 7328-91-8. Its EINECS registry number is 230-819-0. The IUPAC name is 2,2-dimethylpropane-1,3-diamine. In addition, the molecular formula is C₅H₁₄N₂ and the molecular weight is 102.18. It is also called 1,3-propanediamine,2,2-dimethyl-. What's more, it belongs to the classes of Amine Monomers; Monomers; Primary Amines. And it should be stored in a cool and dry place.

Physical properties about this chemical are: (1)ACD/LogP: -0.73; (2)ACD/LogD (pH 5.5): -4.82; (3)ACD/LogD (pH 7.4): -4.55; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 2; (9)#H bond donors: 4; (10)#Freely Rotating Bonds: 4; (11)Polar Surface Area: 6.48 Å²; (12)Index of Refraction: 1.456; (13)Molar Refractivity: 32.24 cm³; (14)Molar Volume: 118.4 cm³; (15)Polarizability: 12.78 ×10^-24cm³; (16)Surface Tension: 33.1 dyne/cm; (17)Density: 0.862 g/cm³; (18)Flash Point: 47.2 °C; (19)Enthalpy of Vaporization: 38.72 kJ/mol; (20)Boiling Point: 150.4 °C at 760 mmHg; (21)Vapour Pressure: 3.86 mmHg at 25°C.

Preparation of Neopentyldiamine: it can be prepared by dimethyl-malonic acid diamide. This reaction will need reagent BH₃*SMe₂ and solvent tetrahydrofuran. The reaction time is 2 hours by heating. The yield is about 75%.

Neopentyldiamine can be prepared by dimethyl-malonic acid diamide

Uses of Neopentyldiamine: it can react with formaldehyde to get 5,5-dimethylhexahydropyrimidine. This reaction will need solvent H₂O. The reaction time is 24 hours at reaction temperature of 20 °C. The yield is about 88%.

Neopentyldiamine can react with formaldehyde to get 5,5-dimethylhexahydropyrimidine

When you are using this chemical, please be cautious about it as the following:
This chemical is flammable and can cause burns. During using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. And in case of accident or if you feel unwell, seek medical advice immediately (show label where possible). What's more, you should keep away from sources of ignition and no smoking. And you should take off immediately all contaminated clothing.

You can still convert the following datas into molecular structure:
(1)SMILES: NCC(C)(C)CN
(2)InChI: InChI=1/C5H14N2/c1-5(2,3-6)4-7/h3-4,6-7H2,1-2H3
(3)InChIKey: DDHUNHGZUHZNKB-UHFFFAOYAL