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Cas Database |
| Name |
Tetramethylguanidine |
EINECS | 201-302-7 |
| CAS No. | 80-70-6 | Density | 0.9 g/cm3 |
| PSA | 30.33000 | LogP | 0.14410 |
| Solubility | miscible with water | Melting Point |
-30 °C |
| Formula | C5H13N3 | Boiling Point | 163.2 °C at 760 mmHg |
| Molecular Weight | 115.178 | Flash Point | 60 °C |
| Transport Information | UN 2920 8/PG 2 | Appearance | liquid |
| Safety | 26-27-36/37/39-45-16 | Risk Codes | 22-34-20/22-10 |
| Molecular Structure |
|
Hazard Symbols |
|
| Synonyms |
Guanidine,1,1,3,3-tetramethyl- (6CI,8CI);1,1,3,3-Tetramethylguanidine; |
Article Data | 15 |
Tetramethylguanidine Synthetic route
| Conditions | Yield |
|---|---|
| With diethyl ether |
- 126661-09-4
1-Nitro-4-nitromethyl-benzene; compound with N,N,N',N'-tetramethyl-guanidine
A
- 1610-26-0
1-nitro-4-(nitromethyl)benzene
B
- 80-70-6
N,N,N',N'-tetramethylguanidine
| Conditions | Yield |
|---|---|
| In 1,3,5-trimethyl-benzene at 30℃; Equilibrium constant; Irradiation; other solvents; |
A
- 40748-64-9
ethyl bis-(4-nitrophenyl)acetate
B
- 80-70-6
N,N,N',N'-tetramethylguanidine
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 10.3 - 34.8℃; Kinetics; Equilibrium constant; |
- 80-70-6
N,N,N',N'-tetramethylguanidine
| Conditions | Yield |
|---|---|
| With ethanol; ammonia at 100℃; |
- 80-70-6
N,N,N',N'-tetramethylguanidine
| Conditions | Yield |
|---|---|
| With ammonia; water |
| Conditions | Yield |
|---|---|
| With ethanol; mercury dichloride |
| Conditions | Yield |
|---|---|
| With N,N-dimethylammonium chloride at 100℃; for 12h; |
- 325774-15-0
1,1,3,3-tetramethylgyanidine-gallane (1/1)
A
- 7440-55-3
gallium
B
- 1333-74-0
hydrogen
C
- 80-70-6
N,N,N',N'-tetramethylguanidine
| Conditions | Yield |
|---|---|
| at 85 - 90℃; Thermodynamic data; |
| Conditions | Yield |
|---|---|
| In octanol at 24.84℃; Equilibrium constant; |
| Conditions | Yield |
|---|---|
| In octanol at 24.84℃; Equilibrium constant; |
Tetramethylguanidine Chemical Properties
Molecular formula: C5H13N3
Molecular Weight: 115.18 g/mol
Molecular Structure of Tetramethylguanidine (CAS NO.80-70-6):
EINECS: 201-302-7
Appearance: liquid
Melting Point: -30 °C
Boiling Point: 163.2 °C at 760 mmHg
Flash Point: 60 °C
Density: 0.918 g/mL at 25 °C(lit.)
Storage Temp.: 2-8 °C
Water Solubility: miscible
Index of Refraction: 1.455
Molar Refractivity: 34.66 cm3
Molar Volume: 127.5 cm3
Surface Tension: 27.7 dyne/cm
XLogP3: 0.4
H-Bond Donor: 1
H-Bond Acceptor: 3
Rotatable Bond Count: 2
Exact Mass: 115.110947
MonoIsotopic Mass: 115.110947
Topological Polar Surface Area: 30.3
Heavy Atom Count: 8
Canonical SMILES: CN(C)C(=N)N(C)C
InChI: InChI=1S/C5H13N3/c1-7(2)5(6)8(3)4/h6H,1-4H3
InChIKey: KYVBNYUBXIEUFW-UHFFFAOYSA-N
EINECS: 201-302-7
Product Categories: Various hydrocyanic acid derivatives; Hydrocyanic acid derivatives
Tetramethylguanidine Uses
Tetramethylguanidine (80-70-6) is used as as accelerator for the syntheses of polysulfured rubber, polyurethane foam catalyst, as a strong base in the photochemical (e.g. couplers) and in the pharmaceutical (e.g. steroids) industries.
Tetramethylguanidine Safety Profile
Hazard Codes: 
C
Risk Statements: 22-34-20/22-10
R22:Harmful if swallowed.
R34:Causes burns.
R20/22:Harmful by inhalation and if swallowed.
R10:Flammable.
Safety Statements: 26-27-36/37/39-45-16
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S27:Take off immediately all contaminated clothing.
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.)
S16:Keep away from sources of ignition.
RIDADR: UN 2920 8/PG 2
WGK Germany: 1
F: 9-23
Hazard Note: Harmful/Corrosive
HazardClass: 8
PackingGroup: II
HS Code: 29252000
Tetramethylguanidine Specification
Tetramethylguanidine (CAS NO.80-70-6) is also named as AI3-51030 ; CCRIS 6689 ; N,N,N',N'-Tetramethylguanidine ; NSC 148309 ; Guanidine, 1,1,3,3-tetramethyl- (8CI) ; Guanidine, N,N,N',N'-tetramethyl- . Tetramethylguanidine (CAS NO.80-70-6) is a strong amine base with a higher pKa than typical amines. It is highly water soluble so easily removed from other chemicals in a chemical process.
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