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Cas Database |
| Name |
Lithium tert-butoxide |
EINECS | 217-611-5 |
| CAS No. | 1907-33-1 | Density | 0.89 g/mL at 20 °C |
| PSA | 23.06000 | LogP | 1.21540 |
| Solubility | vigorous reaction with water | Melting Point |
°C |
| Formula | C4H9LiO | Boiling Point | 84.6 °C at 760 mmHg |
| Molecular Weight | 80.0559 | Flash Point | 11.7 °C |
| Transport Information | UN 3206 4.2/PG 2 | Appearance | clear yellow to brown solution |
| Safety | 26-36/37/39-45-61-62-6A-43E-16-7/8-43-33 | Risk Codes | 11-19-34-37-35-14-67-65-62-51/53-48/20 |
| Molecular Structure |
|
Hazard Symbols |
 F,  C,  N
|
| Synonyms |
2-Propanol,2-methyl-, lithium salt (9CI);Lithium tert-butoxide (6CI,7CI);tert-Butylalcohol, lithium salt (8CI);(1,1-Dimethylethoxy)lithium;2-Methyl-2-propanollithium salt;Lithium t-butoxide;Lithium tert-butanolate;Lithiumtert-butylate;tert-Butanol lithium salt;tert-Butoxylithium; |
Article Data | 20 |
Lithium tert-butoxide Synthetic route
- 109-72-8, 29786-93-4
n-butyllithium
- 3965-63-7
tert-butylperoxytrimethylsilane
A
- 106-98-9
1-butylene
B
- 111-65-9
octane
C
- 1000-63-1
n-butyl tert-butyl ether
D
- 1825-65-6
butoxytrimethylsilane
E
- 2004-14-0
lithium trimethylsilanolate
F
- 1907-33-1
lithium tert-butoxide
| Conditions | Yield |
|---|---|
| In benzene Mechanism; other solvent; |
- 109-72-8, 29786-93-4
n-butyllithium
- 3965-63-7
tert-butylperoxytrimethylsilane
A
- 106-98-9
1-butylene
B
- 1000-63-1
n-butyl tert-butyl ether
C
- 2004-14-0
lithium trimethylsilanolate
D
- 1907-33-1
lithium tert-butoxide
| Conditions | Yield |
|---|---|
| In benzene Further byproducts given; |
- 109-72-8, 29786-93-4
n-butyllithium
- 3965-63-7
tert-butylperoxytrimethylsilane
A
- 111-65-9
octane
B
- 1000-63-1
n-butyl tert-butyl ether
C
- 2004-14-0
lithium trimethylsilanolate
D
- 1907-33-1
lithium tert-butoxide
| Conditions | Yield |
|---|---|
| In benzene Further byproducts given; |
- 109-72-8, 29786-93-4
n-butyllithium
- 3965-63-7
tert-butylperoxytrimethylsilane
A
- 1000-63-1
n-butyl tert-butyl ether
B
- 1825-65-6
butoxytrimethylsilane
C
- 2004-14-0
lithium trimethylsilanolate
D
- 1907-33-1
lithium tert-butoxide
| Conditions | Yield |
|---|---|
| In chloroform Further byproducts given; | |
| In benzene Further byproducts given; |
- 109-72-8, 29786-93-4
n-butyllithium
- 3965-63-7
tert-butylperoxytrimethylsilane
A
- 1000-63-1
n-butyl tert-butyl ether
B
- 2004-14-0
lithium trimethylsilanolate
C
- 1907-33-1
lithium tert-butoxide
D
- 106-97-8
n-butane
| Conditions | Yield |
|---|---|
| In benzene Further byproducts given; |
- 3965-63-7
tert-butylperoxytrimethylsilane
- 920-36-5, 90269-51-5
(2-methylpropyl)lithium
A
- 592-13-2
2,5-dimethylhexane
B
- 33021-02-2
1-(1,1-dimethylethoxy)-2-methylpropane
C
- 2004-14-0
lithium trimethylsilanolate
D
- 1907-33-1
lithium tert-butoxide
| Conditions | Yield |
|---|---|
| In benzene Further byproducts given; |
- 3965-63-7
tert-butylperoxytrimethylsilane
- 920-36-5, 90269-51-5
(2-methylpropyl)lithium
A
- 75-28-5
Isobutane
B
- 33021-02-2
1-(1,1-dimethylethoxy)-2-methylpropane
C
- 2004-14-0
lithium trimethylsilanolate
D
- 1907-33-1
lithium tert-butoxide
| Conditions | Yield |
|---|---|
| In benzene Further byproducts given; |
- 3965-63-7
tert-butylperoxytrimethylsilane
- 920-36-5, 90269-51-5
(2-methylpropyl)lithium
A
- 33021-02-2
1-(1,1-dimethylethoxy)-2-methylpropane
B
- 18269-50-6
isobutoxytrimethylsilane
C
- 2004-14-0
lithium trimethylsilanolate
D
- 1907-33-1
lithium tert-butoxide
| Conditions | Yield |
|---|---|
| In benzene Further byproducts given; |
- 3965-63-7
tert-butylperoxytrimethylsilane
- 920-36-5, 90269-51-5
(2-methylpropyl)lithium
A
- 592-13-2
2,5-dimethylhexane
B
- 33021-02-2
1-(1,1-dimethylethoxy)-2-methylpropane
C
- 18269-50-6
isobutoxytrimethylsilane
D
- 2004-14-0
lithium trimethylsilanolate
E
- 115-11-7
isobutene
F
- 1907-33-1
lithium tert-butoxide
| Conditions | Yield |
|---|---|
| In benzene Mechanism; other solvent; |
- 3965-63-7
tert-butylperoxytrimethylsilane
- 920-36-5, 90269-51-5
(2-methylpropyl)lithium
A
- 33021-02-2
1-(1,1-dimethylethoxy)-2-methylpropane
B
- 2004-14-0
lithium trimethylsilanolate
C
- 115-11-7
isobutene
D
- 1907-33-1
lithium tert-butoxide
| Conditions | Yield |
|---|---|
| In benzene Further byproducts given; |
Lithium tert-butoxide Chemical Properties
Molecular structure of Lithium tert-butoxide (CAS NO.1907-33-1) is:
Product Name: Lithium tert-butoxide
CAS Registry Number: 1907-33-1
IUPAC Name: lithium 2-methylpropan-2-olate
Molecular Weight: 80.05466 [g/mol]
Molecular Formula: C4H9LiO
H-Bond Donor: 0
H-Bond Acceptor: 1
EINECS: 217-611-5
Density: 0.89 g/mL at 20 °C
Storage temp.: Flammables area
Water Solubility: vigorous reaction
Sensitive: Moisture Sensitive
Flash Point: 11.7 °C
Enthalpy of Vaporization: 37.89 kJ/mol
Boiling Point: 84.6 °C at 760 mmHg
Vapour Pressure: 46 mmHg at 25°C
Product Categories: LithiumChemical Synthesis;Micro/Nanoelectronics;Organic Bases;Solution Deposition Precursors;Synthetic Reagents
Lithium tert-butoxide Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 1682mg/kg (1682mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION | Toksikologicheskii Vestnik. Vol. (3), Pg. 37, 1996. |
Lithium tert-butoxide Safety Profile
Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of Li.
Hazard Codes:
F: Flammable .gif){kind=small}
N: Dangerous for the environment .gif){kind=small}
C: Corrosive .gif){kind=small}
Risk Statements about Lithium tert-butanolate (1907-33-1):
R11 Highly flammable.
R14 Reacts violently with water.
R35 Causes severe burns.
R48/20 Harmful : danger of serious damage to health by prolonged exposure through inhalation.
R51/53 Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R62 Possible risk of impaired fertility.
R65 Harmful: may cause lung damage if swallowed.
R67 Vapours may cause drowsiness and dizziness
Safety Statements about Lithium tert-butanolate (1907-33-1):
S9 Keep container in a well-ventilated place.
S16 Keep away from sources of ignition - No smoking.
S29 Do not empty into drains.
S33 Take precautionary measures against static discharges.
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 where possible).
RIDADR: UN 3206 4.2/PG 2
WGK Germany: 3
RTECS: UB8520000
F: 3-10
TSCA: Yes
HazardClass: 4.2
PackingGroup: III
Lithium tert-butoxide Specification
Lithium tert-butoxide , its cas register number is 1907-33-1. It also can be called 2-Methyl-2-propanol lithium salt ; Lithium tert-butanolate ; Lithium tert-butylate ; tert-Butoxylithium ; tert-Butyl alcohol, lithium salt ; 2-Propanol, 2-methyl-, lithium salt ; 2-Propanol, 2-methyl-, lithium salt (1:1) ; Lithium 2-methylpropan-2-olate .It is a clear yellow to brown solution.
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