| Identification | More | [Name]
1,5-HEXADIYNE | [CAS]
628-16-0 | [Synonyms]
1,5-HEXADIYNE
Bipropargyl
Dipropargyl
HCequivCCH2CH2CequivCH
hexa-1,5-diyne
Hexadiyne-3-ene
1,5-Hexadiyne (6CI, 8CI, 9CI)
1,5-HEXADIYNE, 50% IN PENTANE
1,5-HEXADIYNE: 50% BY WT. IN PENTANE
Hexane-1,5-diyne | [EINECS(EC#)]
211-029-5 | [Molecular Formula]
C6H6 | [MDL Number]
MFCD00014924 | [Molecular Weight]
78.11 | [MOL File]
628-16-0.mol |
| Chemical Properties | Back Directory | [Melting point ]
-6°C | [Boiling point ]
86°C(lit.) | [density ]
0,805 g/cm3 | [refractive index ]
1.4400 to 1.4440 | [Fp ]
-7°C | [form ]
Liquid | [color ]
Colorless to Yellow | [Water Solubility ]
Immiscible with water. | [Exposure limits]
ACGIH: TWA 1000 ppm
OSHA: TWA 1000 ppm(2950 mg/m3)
NIOSH: IDLH 1500 ppm; TWA 120 ppm(350 mg/m3); Ceiling 610 ppm(1800 mg/m3) | [LogP]
1.500 (est) | [CAS DataBase Reference]
628-16-0(CAS DataBase Reference) | [EPA Substance Registry System]
1,5-Hexadiyne (628-16-0) |
| Safety Data | Back Directory | [Risk Statements ]
R12:Extremely Flammable. | [Safety Statements ]
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 . | [RIDADR ]
3295 | [TSCA ]
Yes | [HS Code ]
2901.29.5000 | [HazardClass ]
3 | [PackingGroup ]
II |
| Hazard Information | Back Directory | [Uses]
1,5-Hexadiyne is used in the preparation of bisdehydro[12]annulene and biphenylene. It is also used as an important starting material in the preparation of (5Z,9Z)-5,9-hexadecadienoic acid. Further, it is involved in the preparation of linear organotin polymers by reaction with organotin dihydrides. | [Definition]
ChEBI: Hexa-1,5-diyne is an alkadiyne and a terminal acetylenic compound. |
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