1,5-hexadiyne

Modify Date: 2026-06-30 19:28:52

1,5-hexadiyne Structure
1,5-hexadiyne structure
Common Name 1,5-hexadiyne
CAS Number 628-16-0 Molecular Weight 78.11180
Density 0,805 g/cm3 Boiling Point 86.2ºC at 760 mmHg
Molecular Formula C6H6 Melting Point N/A
MSDS N/A Flash Point -7°C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name hexa-1,5-diyne
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 0,805 g/cm3
Boiling Point 86.2ºC at 760 mmHg
Molecular Formula C6H6
Molecular Weight 78.11180
Flash Point -7°C
Exact Mass 78.04700
LogP 1.03300
Index of Refraction 1.448
InChIKey YFIBSNDOVCWPBL-UHFFFAOYSA-N
SMILES C#CCCC#C

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes F+
Risk Phrases 12
Safety Phrases S9-S16-S29-S33
RIDADR 3295
Packaging Group II
Hazard Class 3
HS Code 2901299090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2901299090
Summary 2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Hexa-1,5-diin
1,4-hexadiyne
Hexa-1,4-diin
Methyl-propargyl-acetylen
MFCD00014924
1,6-heptadiyne
1,6-hexadiyne
EINECS 211-029-5
hexadiyne-1,4
1,5-HEXADIYNE
bipropargyl

 1,5-hexadiyne | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the English name of hexa-1,5-diyne?
A: The English name of hexa-1,5-diyne is hexa-1,5-diyne.
Q: What is the safety information for hexa-1,5-diyne?
A: Safety information for hexa-1,5-diyne: S9-S16-S29-S33.
Q: What is the LogP of hexa-1,5-diyne?
A: LogP of hexa-1,5-diyne is 1.03300.
Q: What is the SMILES notation of hexa-1,5-diyne?
A: SMILES notation of hexa-1,5-diyne is C#CCCC#C.
Q: What is the molecular formula of hexa-1,5-diyne?
A: Molecular formula of hexa-1,5-diyne is C6H6.
Q: What is the InChIKey of hexa-1,5-diyne?
A: InChIKey of hexa-1,5-diyne is YFIBSNDOVCWPBL-UHFFFAOYSA-N.
Q: What is the molecular weight of hexa-1,5-diyne?
A: Molecular weight of hexa-1,5-diyne is 78.11180.
Q: What is the boiling point of hexa-1,5-diyne?
A: Boiling point of hexa-1,5-diyne is 86.2ºC at 760 mmHg.
Q: What English synonyms does hexa-1,5-diyne have?
A: English synonyms of hexa-1,5-diyne: Hexa-1,5-diin, 1,4-hexadiyne, Hexa-1,4-diin, Methyl-propargyl-acetylen, MFCD00014924, 1,6-heptadiyne, 1,6-hexadiyne, EINECS 211-029-5, hexadiyne-1,4, 1,5-HEXADIYNE, bipropargyl.
Q: What is the CAS number of hexa-1,5-diyne?
A: CAS number of hexa-1,5-diyne is 628-16-0.

 1,5-hexadiynefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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