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Cas Database |
| Name |
2-METHYL-5-HEXEN-3-YN-2-OL |
EINECS | N/A |
| CAS No. | 690-94-8 | Density | 0.917g/cm3 |
| PSA | 20.23000 | LogP | 0.94670 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C7H10 O | Boiling Point | 159.9°C at 760 mmHg |
| Molecular Weight | 110.156 | Flash Point | 59.9°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Poison by inhalation. Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
4-Penten-2-yn-1-ol,1,1-dimethyl- (7CI); 1,1-Dimethylbut-4-en-2-yn-1-ol;2-Methyl-3-hexyn-5-en-2-ol; 2-Methyl-5-hexen-3-yn-2-ol; 5-Methyl-1-hexen-3-yn-5-ol;Dimethyl(vinylethynyl)carbinol; Nazarov carbinol; Nazarov's carbinol |
Article Data | 26 |
2-METHYL-5-HEXEN-3-YN-2-OL Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran; diethylamine at 0 - 20℃; for 12h; | 91% |
| With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); potassium hydroxide In tetrahydrofuran; diethylamine at 0 - 20℃; for 12h; | 91% |
| With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diethylamine In tetrahydrofuran at 23℃; for 2.5h; | 84% |
| copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran; diethylamine at 23℃; for 2.5h; | 84% |
| With copper(l) iodide; diisopropylamine; bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran at 20℃; Sonogashira coupling; | 80% |
- 2768-02-7
(vinyl)trimethoxylsilane
- 115-19-5
2-methyl-but-3-yn-2-ol
- 690-94-8
dimethyl(vinylethynyl)carbinol
Conditions
| Conditions | Yield |
|---|---|
| With tetrabutyl ammonium fluoride; copper diacetate In 1,4-dioxane at 30℃; | 47% |
- 593-60-2
Vinyl bromide
- 115-19-5
2-methyl-but-3-yn-2-ol
A
- 5929-72-6
2,7-dimethyl-octa-3,5-diyne-2,7-diol
B
- 690-94-8
dimethyl(vinylethynyl)carbinol
Conditions
| Conditions | Yield |
|---|---|
| With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine In tetrahydrofuran at 20℃; Inert atmosphere; | A 20% B 42% |
Conditions
| Conditions | Yield |
|---|---|
| With diethyl ether unter starkem Kuehlen mit KOH; | |
| With potassium hydroxide; sodium hydroxide | |
| With diethyl ether unter starkem Kuehlen mit NaNH2; | |
| With potassium hydroxide In ammonia at 30 - 40℃; |
Conditions
| Conditions | Yield |
|---|---|
| With ammonia; sodium amide |
Conditions
| Conditions | Yield |
|---|---|
| With ammonia; sodium amide |
Conditions
| Conditions | Yield |
|---|---|
| With diethyl ether | |
| With diethyl ether | |
| With diethyl ether |
Conditions
| Conditions | Yield |
|---|---|
| With ammonia; sodium; ferric nitrate |
2-METHYL-5-HEXEN-3-YN-2-OL Chemical Properties
IUPAC Name: 2-methylhex-5-en-3-yn-2-ol
The MF of 2-METHYL-5-HEXEN-3-YN-2-OL(690-94-8): C7H10O
The MW of 2-METHYL-5-HEXEN-3-YN-2-OL(690-94-8): 110.1537
Density: 0.917 g/cm3
Flash Point: 59.9 °C
Boiling Point: 159.9 °C at 760 mmHg
Index of Refraction: 1.473
Synonyms: DIMETHYL(VINYL)ETHYNYLCARBINOL;2-METHYL-5-HEXEN-3-YN-2-OL;2-Methylhexa-5-en-3-in-2-ol
The Structure of 2-METHYL-5-HEXEN-3-YN-2-OL(690-94-8):
The MF of 2-METHYL-5-HEXEN-3-YN-2-OL(690-94-8): C7H10O
The MW of 2-METHYL-5-HEXEN-3-YN-2-OL(690-94-8): 110.1537
Density: 0.917 g/cm3
Flash Point: 59.9 °C
Boiling Point: 159.9 °C at 760 mmHg
Index of Refraction: 1.473
Synonyms: DIMETHYL(VINYL)ETHYNYLCARBINOL;2-METHYL-5-HEXEN-3-YN-2-OL;2-Methylhexa-5-en-3-in-2-ol
The Structure of 2-METHYL-5-HEXEN-3-YN-2-OL(690-94-8):
2-METHYL-5-HEXEN-3-YN-2-OL Toxicity Data With Reference
| 1. | orl-rat LD50:600 mg/kg | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,60. | ||
| 2. | orl-mus LD50:590 mg/kg | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,60. | ||
| 3. | ihl-mus LCLo:30 mg/m3/2H | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,60. | ||
| 4. | orl-rbt LD50:800 mg/kg | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,60. | ||
| 5. | orl-gpg LD50:600 mg/kg | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,60. |
2-METHYL-5-HEXEN-3-YN-2-OL Safety Profile
Poison by inhalation. Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.
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DIMETHYL(VINYL)ETHYNYLCARBINOL
