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CAS No.: | 628-71-7 |
---|---|
Name: | 1-Heptyne |
Article Data: | 81 |
Molecular Structure: | |
Formula: | C7H12 |
Molecular Weight: | 96.1723 |
Synonyms: | 1-n-Heptyne;Amylacetylene;NSC 9710;Pentylacetylene; |
EINECS: | 211-051-5 |
Density: | 0.752 g/cm3 |
Melting Point: | -81 °C |
Boiling Point: | 99.7 °C at 760 mmHg |
Flash Point: | 28 °F |
Solubility: | Soluble in organic solvents. Insoluble in water. |
Appearance: | clear colorless to light yellow-green liquid |
Hazard Symbols: | F,Xn |
Risk Codes: | 11-36/37/38-65 |
Safety: | 16-26-36-62-9-33 |
Transport Information: | UN 3295 3/PG 2 |
PSA: | 0.00000 |
LogP: | 2.19990 |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0) | 100% |
1,2-dibromoheptane
1-Heptyne
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium tert-butylate In Petroleum ether at 60℃; for 2h; | 98% |
With tetrabutyl-ammonium chloride; potassium hydroxide In water at 140℃; for 4h; | 86.4% |
With potassium hydroxide; 2,5-dimethyl-2,5-hexanediol; tetraoctyl ammonium bromide at 80 - 90℃; for 0.25h; | 85% |
With potassium hydroxide; mineral oil at 250℃; | |
With tetralin; anion-exchanger at 160℃; |
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium tert-butylate at 70℃; for 2h; | A 2% B 93% |
1,2-dichloro-heptane
1-Heptyne
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium tert-butylate In Petroleum ether at 80℃; for 8h; | 86% |
With potassium hydroxide; mineral oil at 250℃; |
Conditions | Yield |
---|---|
With ammonia; sodium at -40 - 20℃; | 80% |
1-(benzotriazol-1-yl)-2-heptanone p-tosylhydrazone
1-Heptyne
Conditions | Yield |
---|---|
With n-butyllithium In diethyl ether 1) -78 deg C, 0.5 h; 2) rt, 48 h; | 73% |
Conditions | Yield |
---|---|
With Nonafluorobutanesulfonyl fluoride; tert-butylimino-tri(pyrrolidino)phosphorane In N,N-dimethyl-formamide at -10 - 20℃; | 66% |
With phosphorus pentachloride | |
Multi-step reaction with 2 steps 1: PCl5 2: alcoholic potash / 150 °C View Scheme |
1-heptynyl chloride
butyl magnesium bromide
A
1-Heptyne
B
tetradeca-6,8-diyne
Conditions | Yield |
---|---|
With 1-methyl-pyrrolidin-2-one; copper dichloride In tetrahydrofuran at 0℃; for 1.25h; Inert atmosphere; | A 55% B 35% |
chloroacetic acid
(Z)-1-methylthio-2-triphenylstannylhept-1-ene
A
methylthiol
B
diphenyltin di(monochloroacetate)
C
1-Heptyne
D
benzene
Conditions | Yield |
---|---|
In not given | A 0% B 30% C 5% D n/a |
Product Name: 1-Heptyne
The MF of 1-Heptyne (628-71-7) is C7H12.
The MW of 1-Heptyne (628-71-7) is 96.17.
Synonyms of 1-Heptyne (628-71-7): 1-Heptyne ; Amylacetylene ; Hept-1-in ; Hept-1-yne
Product Categories: Alkynes;Acetylenes;Acetylenic Hydrocarbons;Organic Building Blocks;Terminal;Miscellaneous
Form: clear colorless to light yellow-green liquid
EINECS: 211-051-5
Index of Refraction: 1.419
Density: 0.752 g/cm3
Flash Point: °C
Boiling Point: 99.7 °C
Storage temp: Flammables area
BRN: 1733518
Safety information of 1-Heptyne (628-71-7):
Hazard Codes F,Xn
Risk Statements 11-36/37/38-65
R11: Highly Flammable
R36/37/38: Irritating to eyes, respiratory system and skin
R65: Harmful: May cause lung damage if swallowed
Safety Statements 16-26-36-62-9-33
S16: Keep away from sources of ignition - No smoking
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36: Wear suitable protective clothing
S62: If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label
S9: Keep container in a well-ventilated place
S33: Take precautionary measures against static discharges
RIDADR UN 3295 3/PG 2
WGK Germany 3
F 10-23
HazardClass 3
PackingGroup II
HS Code 29012980
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area.Wash thoroughly after handling. Use with adequate ventilation. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.