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Name	N,N,N',N'-Tetramethylmethanediamine	EINECS	200-124-7
CAS No.	51-80-9	Density	0.813g/cm³
PSA	6.48000	LogP	0.06710
Solubility	Fully miscible in water.	Melting Point	-55°C
Formula	C5H14 N2	Boiling Point	85 °C(lit.)
Molecular Weight	102.18	Flash Point	°C
Transport Information	N/A	Appearance	slightly yellow liquid
Safety	Poison by intraperitoneal route. Flammable liquid and very dangerous fire hazard when exposed to powerful oxidizers, heat or open flame. When heated to decomposition it emits toxic fumes of NO_x. See also AMINES.	Risk Codes	11-34
Molecular Structure		Hazard Symbols	F,C
Synonyms	2,4-Dimethyl-2,4-diazapentane;Bis(dimethylamino)methane;Dimethyl[(dimethylamino)methyl]amine;Methylenebis(dimethylamine);N,N,N',N'-Tetramethyldiaminomethane;N,N,N',N'-Tetramethylmethanediamine;N,N,N',N'-Tetramethylmethylenediamine;NSC166169;NSC 54796;Tetramethylmethanediamine;	Article Data	43

N,N,N',N'-Tetramethylmethanediamine Synthetic route

: 50-00-0
formaldehyd

: 124-40-3
dimethyl amine

: 51-80-9
bis-(dimethylamino)methane

Conditions

Conditions	Yield
In water at 0 - 20℃;	92%
With potassium hydroxide at 20 - 25℃;	89%
Cooling with ice;	81%

: (Me2N)2Zr[iPrNC(NMe2)NiPr]2

: 80937-33-3
oxygen

A: 51-80-9
bis-(dimethylamino)methane

B: Zr(=O)[iPrNC(NMe2)NiPr]2

C: {Zr(μ-O)[iPrNC(NMe2)NiPr]2}2

D: {Zr(μ-O)[iPrNC(NMe2)NiPr]2}n

E: 124-40-3
dimethyl amine

Conditions

Conditions	Yield
In toluene at 90℃; under 760.051 Torr; for 40h; Kinetics; Temperature; Reagent/catalyst; Solvent; Schlenk technique;	A n/a B n/a C n/a D 62% E n/a

...Expand

: Zr(NMe2)2[MeC(NiPr)2]2

: 80937-33-3
oxygen

A: 51-80-9
bis-(dimethylamino)methane

B: {(μ-O)Zr[MeC(NiPr)2]2}n

C: {(μ-O)Zr[MeC(NiPr)2]2}2

D: 124-40-3
dimethyl amine

Conditions

Conditions	Yield
In benzene-d6 at 70℃; Concentration; Temperature;	A 1.09 mg B 58.4% C n/a D 0.125 mg

...Expand

: Zr(NMe2)2[MeC(NiPr)2]2

: 80937-33-3
oxygen

A: 51-80-9
bis-(dimethylamino)methane

B: {(μ-O)Zr[MeC(NiPr)2]2}2

C: {(μ-O)Zr[MeC(NiPr)2]2}n

D: 124-40-3
dimethyl amine

Conditions

Conditions	Yield
In benzene-d6 at 70℃; under 760.051 Torr; for 288h; Inert atmosphere;	A 1.1 mg B n/a C 58% D 0.13 mg

...Expand

: (Me2N)2Hf[iPrNC(NMe2)NiPr]2

: 80937-33-3
oxygen

A: 51-80-9
bis-(dimethylamino)methane

B: {Hf(μ-O)[iPrNC(NMe2)NiPr]2}2

C: {Hf(μ-O)[iPrNC(NMe2)NiPr]2}n

D: 124-40-3
dimethyl amine

Conditions

Conditions	Yield
In benzene-d6 at 70℃; under 760.051 Torr; for 45h; Reagent/catalyst; Schlenk technique;	A n/a B n/a C 40% D n/a

...Expand

: 88470-22-8
N-Methoxy-N-chloro-N',N'-dimethylurea

: 124-40-3
dimethyl amine

A: 51-80-9
bis-(dimethylamino)methane

B: 632-22-4
tetramethylurea

Conditions

Conditions	Yield
at 0℃; for 1h;	A 26.4% B 9.1%

: 123-91-1
1,4-dioxane

: 1585-74-6
dimethylchloroamine

: 557-18-6
diethylmagnesium

: 124-40-3
dimethyl amine

: 51-80-9
bis-(dimethylamino)methane

: 1585-74-6
dimethylchloroamine

: 51-80-9
bis-(dimethylamino)methane

Conditions

Conditions	Yield
With silver

: 14002-21-2
dimethylaminomethanol

: 51-80-9
bis-(dimethylamino)methane

Conditions

Conditions	Yield
bei der Destillation;
With potassium hydroxide
With dimethyl amine

: 75-09-2
dichloromethane

: 124-40-3
dimethyl amine

: 51-80-9
bis-(dimethylamino)methane

Conditions

Conditions	Yield
at 70℃;
at 70℃;

N,N,N',N'-Tetramethylmethanediamine Chemical Properties

Product Name: N,N,N',N'-Tetramethylmethanediamine (CAS NO.51-80-9)

Molecular Formula: C₅H₁₄N₂
Molecular Weight: 102.18g/mol
Mol File: 51-80-9.mol
Einecs: 200-124-7
Appearance: Slightly yellow liquid
Melting Point: -55°C
Boiling point: 82.5 °C at 760 mmHg
Storage Temperature: Flammables area
Density: 0.749 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.401(lit.)
Stability: Stable, but highly flammable. Incompatible with acids, acid chlorides, acid anhydrides, strong oxidizing agents, carbon dioxide.
Surface Tension: 25.5 dyne/cm
Enthalpy of Vaporization: 32.31 kJ/mol
Vapour Pressure: 78.4 mmHg at 25°C
XLogP3-AA: 0.4
H-Bond Donor: 0
H-Bond Acceptor: 2
Structure Descriptors of N,N,N',N'-Tetramethylmethanediamine (CAS NO.51-80-9):
IUPAC Name: N,N,N',N'-Tetramethylmethanediamine
Canonical SMILES: CN(C)CN(C)C
InChI: InChI=1S/C5H14N2/c1-6(2)5-7(3)4/h5H2,1-4H3
InChIKey: VGIVLIHKENZQHQ-UHFFFAOYSA-N

N,N,N',N'-Tetramethylmethanediamine Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	220mg/kg (220mg/kg)		Arzneimittel-Forschung. Drug Research. Vol. 16, Pg. 734, 1966.
quail	LD50	oral	> 316mg/kg (316mg/kg)		Ecotoxicology and Environmental Safety. Vol. 6, Pg. 149, 1982.

N,N,N',N'-Tetramethylmethanediamine Consensus Reports

Reported in EPA TSCA Inventory.

N,N,N',N'-Tetramethylmethanediamine Safety Profile

Poison by intraperitoneal route. Flammable liquid and very dangerous fire hazard when exposed to powerful oxidizers, heat or open flame. When heated to decomposition it emits toxic fumes of NO_x. See also AMINES.
Safety Information of N,N,N',N'-Tetramethylmethanediamine (CAS NO.51-80-9):
Hazard Codes: F,C Corrosive
Risk Statements: 11-34
11: Highly Flammable
34: Causes burns
Safety Statements: 16-26-36/37/39-45
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)

N,N,N',N'-Tetramethylmethanediamine Specification

N,N,N',N'-Tetramethylmethanediamine ,its CAS NO. is 51-80-9,the synonyms is AI3-26640 ; Bis(dimethylamino)methane ; Dimethyl((dimethylamino)methyl)amine ; EINECS 200-124-7 ; Methylenebis(dimethylamine) ; Methylenediamine, N,N,N',N'-tetramethyl- ; N,N,N',N'-Tetramethyldiaminomethan ; NSC 166169 ; Tetramethylmethylenediamine .

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