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Basic Information
| CAS No.: | 598-74-3 |
|---|---|
| Name: | 1,2-Dimethylpropylamine |
| Molecular Structure: | |
|
|
|
| Formula: | C5H13 N |
| Molecular Weight: | 87.1649 |
| Synonyms: | Propylamine,1,2-dimethyl- (6CI,7CI,8CI); (3-Methylbutan-2-yl)amine; (?à)-3-Methyl-2-butanamine; (?à)-3-Methyl-2-butylamine;1,2-Dimethylpropanamine; 1,2-Dimethylpropylamine; 2-Amino-3-methylbutane;3-Methyl-2-aminobutane; 3-Methyl-2-butanamine; 3-Methyl-2-butylamine |
| EINECS: | 209-949-7 |
| Density: | 0.757 |
| Melting Point: | -50 ºC |
| Boiling Point: | 84-87 ºC |
| Flash Point: | -18 ºF |
| Solubility: | miscible in water |
| Appearance: | colorless to yellow liquid |
| Hazard Symbols: |
 
|
| Risk Codes: | R11;R21/22;R34 |
| Safety: | Poison by intraperitoneal route. A flammable liquid. When heated to decomposition it emits toxic vapors of NOx. |
| Transport Information: | UN 3286 |
| PSA: | 26.02000 |
| LogP: | 1.68990 |
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Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: L-valine With cyclopentyl methyl ether; ammonia at 200℃; under 4500.45 Torr; Sealed tube; Green chemistry; Stage #2: With cyclopentyl methyl ether; ammonia; hydrogen at 200℃; under 42004.2 Torr; for 6.5h; Cooling with ice; Green chemistry; | A 5% B 50% C 7% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With platinum(IV) oxide; ammonia; ammonium chloride under 735.5 - 2206.5 Torr; Hydrogenation; | |
| (i) NH2OH, NaOAc, (ii) LiAlH4; Multistep reaction; | |
| (reductive amination); |
- 563-80-4
3-methyl-butan-2-one
A
- 99868-53-8
bis-(1,2-dimethyl-propyl)-amine
B
- 598-74-3
2-amino-3-methylbutane
Conditions
| Conditions | Yield |
|---|---|
| With methanol; platinum(IV) oxide; ammonia; ammonium chloride under 735.5 - 2206.5 Torr; |
- 19838-95-0
bis-(1,2-dimethyl-propylidene)-hydrazine
A
- 99868-53-8
bis-(1,2-dimethyl-propyl)-amine
B
- 598-74-3
2-amino-3-methylbutane
Conditions
| Conditions | Yield |
|---|---|
| With hydrogen; nickel at 180 - 200℃; |
Conditions
| Conditions | Yield |
|---|---|
| With i-Amyl alcohol; sodium | |
| With lithium aluminium tetrahydride | |
| With sodium In ethanol |
Conditions
| Conditions | Yield |
|---|---|
| With hydrogenchloride; diethyl ether; tin(ll) chloride |
Conditions
| Conditions | Yield |
|---|---|
| With hydrogenchloride; iron at 100℃; |
Conditions
| Conditions | Yield |
|---|---|
| With lithium aluminium tetrahydride In tetrahydrofuran; diethyl ether |
- 17123-14-7
2-Amino-1.1.2-trimethyl-aethanthiol
- 598-74-3
2-amino-3-methylbutane
Conditions
| Conditions | Yield |
|---|---|
| With water; nickel |
Conditions
| Conditions | Yield |
|---|---|
| With chloro-trimethyl-silane; lithium dihydrido dimethyl borate; hydroxylamine-O-sulfonic acid 1) diethyl ether, 25 deg C, 4 h, 2) THF, 25 deg C, 12 h; Yield given. Multistep reaction; | |
| Multi-step reaction with 2 steps 1: diethyl ether; nitrosyl chloride / anschliessend mit Chlorwasserstoff 2: tin (II)-chloride; hydrogen chloride; diethyl ether View Scheme |
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1,2-Dimethylpropylamine
Toxicity Data With Reference
| 1. | ipr-mus LD50:279 mg/kg | JJPAAZ Japanese Journal of Pharmacology. 17 (1967),475. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by intraperitoneal route. A flammable liquid. When heated to decomposition it emits toxic vapors of NOx.
Standards and Recommendations
DOT Classification: 8; Label: Corrosive, Flammable Liquid (UN 2734); DOT Class: 3; Label: Flammable Liquid, Corrosive (UN 2733)