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| CAS No.: | 1066-26-8 |
|---|---|
| Name: | SODIUM ACETYLIDE |
| Molecular Structure: | |
|
|
|
| Formula: | C2H Na |
| Molecular Weight: | 48.0197 |
| Synonyms: | Sodiumacetylide (6CI,7CI);Sodium acetylide (Na(HC2)) (8CI);Ethynyl sodium;Monosodium acetylide;Sodium acetylenide;Sodium carbide (Na(C2H));Sodiumcarbide (Na(HC2));Sodium, ethynyl-; |
| EINECS: | 213-908-9 |
| Density: | g/cm3 |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Solubility: | Reacts with water. |
| Appearance: | brown slurry |
| Hazard Symbols: | F,Xn,C |
| Risk Codes: | 10-15-20/21-38-34-14/15 |
| Safety: | When heated to 150°C it decomposes to form a gas which ignites spontaneously in air. The dry powder can ignite spontaneously if a large surface area is exposed to air (e.g. on a filter paper). When heated to decomposition it emits toxic fumes of Na2O. See also ACETYLIDES. |
| PSA: | 0.00000 |
| LogP: | 0.12640 |
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| Conditions | Yield |
|---|---|
| With sodium; xylene at 60 - 110℃; | |
| With dibutyl ether; sodium at 60 - 110℃; | |
| With diethylene glycol dibutyl ether; sodium at 60 - 110℃; |
- 60-29-7
diethyl ether
- 232269-26-0
1,2-dibutoxy-1,2-dichloro-ethene
A
- 1066-26-8
sodium acetylide
B
- 2372-45-4
sodium butanolate
| Conditions | Yield |
|---|---|
| In tetrahydrofuran; xylene 1.) 18 h, room temp., 2.) 1 h, 70 deg C; | 100% |
| In tetrahydrofuran; xylene a) RT, 18 h, b) 70 deg C, 1 h; | 5.30 g |
- 1066-26-8
sodium acetylide
- 36106-49-7, 52899-10-2, 56029-53-9
3a-hydroxy-1e,3e-dimethyl-4-piperidone
- 84687-60-5, 84687-62-7, 84714-91-0, 98114-75-1
3a,4a-dihydroxy-1e,3e-dimethyl-4e-ethynyl-6e-phenylpiperidine
| Conditions | Yield |
|---|---|
| In ammonia for 1h; | 100% |
- 1066-26-8
sodium acetylide
- 56642-31-0, 56642-34-3
3a-hydroxy-3e-methyl-1-benzyl-4-piperidone
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3a,4e-dihydroxy-3e-methyl-1e-benzyl-4a-ethynyl-6e-phenylpiperidine
| Conditions | Yield |
|---|---|
| In ammonia for 1h; | 100% |
- 1453106-63-2
bis((4S,5S)-4-(azidomethyl)-5-phenyl-4,5-dihydrooxazol-2-yl)methane
- 1066-26-8
sodium acetylide
- 1453106-70-1
bis((4S,5S)-4-((1H-1,2,3-triazol-1-yl)methyl)-5-phenyl-4,5-dihydrooxazol-2-yl)methane
| Conditions | Yield |
|---|---|
| In 5,5-dimethyl-1,3-cyclohexadiene; dimethyl sulfoxide at 20℃; for 18h; Inert atmosphere; Schlenk technique; | 100% |
- 1066-26-8
sodium acetylide
- 39931-88-9
3,3-(ethylenedioxy)-5β,10β-epoxyestra-9(11)-ene-17-one
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; | 100% |
| Conditions | Yield |
|---|---|
| In 5,5-dimethyl-1,3-cyclohexadiene; N,N-dimethyl-formamide at 0 - 20℃; for 24h; Inert atmosphere; | 100% |
| Conditions | Yield |
|---|---|
| With 18-crown-6 ether In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene at 20℃; for 168h; | 99% |
- 1066-26-8
sodium acetylide
- 5571-36-8
ethylene deltenone
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(8S,13S,14S,17R)-17-ethynyl-13-methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2’-[1,3]dioxolan]-17-ol
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at -2 - 0℃; for 6.5h; Inert atmosphere; Industrial scale; | 99% |
| In tetrahydrofuran at -2 - 0℃; for 6h; Inert atmosphere; Large scale; | 99% |
| In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; | 95% |
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Chemistry
Chemistry informtion about Monosodium Acetylide (CAS NO.1066-26-8) is:
IUPAC Name: Sodium Ethyne
Synonyms: Ethynylsodium ; Sodium Acetylide ; Sodium Acetylide Suspension ; Sodium Acetylide, 18 Wt. % Slurry In Xyl Ene/Light Mineral Oil, 95% ; Sodium Acetylide Suspension, ~12% In Xylene ; Sodium Acetylide 18% Slurry In Xylene/Oil ; Sodium Acetylide, 18 Wt% Slurry In Xylene ; Sodium Acetylide 20% W/W Slurry In Xylene/Oil 85:15
MF: C2HNa
MW: 48.02
EINECS: 213-908-9
Density: 0,865 g/cm3
Flash Point: 85 °F
Vapour Pressure: 69700 mmHg at 25°C
Enthalpy of Vaporization: 21.12 kJ/mol
Storage temp.: Refrigerator (+4°C) + Flammables area
Sensitive: Air & Moisture Sensitive
BRN: 3587232
Following is the molecular structure of Monosodium Acetylide (CAS NO.1066-26-8) is:
Production
Preparation Products are Linalool --> Leaf Alcohol --> Vitamin A --> 1-Ethynyl-2-Methyl Penten-2-Ol --> Propiolic Acidd -->Chlorempenthrin .
Safety Profile
When heated to 150°C it decomposes to form a gas which ignites spontaneously in air. The dry powder can ignite spontaneously if a large surface area is exposed to air (e.g. on a filter paper). When heated to decomposition it emits toxic fumes of Na2O. See also ACETYLIDES.
Hazard Codes:
F
Xn
Risk Statements:
R10:Flammable.
R15:Contact with water liberates extremely flammable gases.
R20/21:Harmful by inhalation and in contact with skin.
R38:Irritating to skin.
Safety Statements:
S36/37:Wear suitable protective clothing and gloves.
S43:In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
RIDADR: UN 3399 4.3/PG 1
WGK Germany: 3
HazardClass: 4.3
PackingGroup: II
Specification
Monosodium Acetylide (CAS NO.1066-26-8) is a brown slurry.
First Aid Measures:
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion: Get medical aid. Wash mouth out with water.
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Handling and Storage:
Handling: Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use and store under nitrogen. Do not allow contact with water.
Storage: Keep away from sources of ignition. Keep refrigerated. (Store below 4°C/39°F.) Store in a tightly closed container. Store in a dry area. Flammables-area. Keep away from acidic, alkaline, combustible and oxidizing materials.