Ethynyl propyl ketone

Modify Date: 2026-07-01 07:44:47

Ethynyl propyl ketone Structure
Ethynyl propyl ketone structure
Common Name Ethynyl propyl ketone
CAS Number 689-00-9 Molecular Weight 96.12710
Density 0.886g/cm3 Boiling Point 135.5ºC at 760 mmHg
Molecular Formula C6H8O Melting Point N/A
MSDS N/A Flash Point 41.8ºC

Summary: Hex-1-yn-3-one, also known as ethynyl propyl ketone, has a CAS number of 689-00-9. Its molecular formula is C6H8O, and the molecular weight is 96.12710. For research-use only, not for medical or clinical usage.


 Names

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

Name hex-1-yn-3-one
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 0.886g/cm3
Boiling Point 135.5ºC at 760 mmHg
Molecular Formula C6H8O
Molecular Weight 96.12710
Flash Point 41.8ºC
Exact Mass 96.05750
PSA 17.07000
LogP 0.98880
Index of Refraction 1.424
InChIKey KSJAIMUFADDAOP-UHFFFAOYSA-N
SMILES C#CC(=O)CCC

 Safety Information

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

HS Code 2914190090

 Customs

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

HS Code 2914190090
Summary 2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Synonyms

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

Propyl-aethinyl-keton
1-hexyn-3-one
Ethynyl propyl ketone
HC.equiv.CCOCH2CH2CH3
Hex-1-in-3-on

 Ethynyl propyl ketone | FAQ

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

Q: What is the SMILES notation of hex-1-yn-3-one?
A: SMILES notation of hex-1-yn-3-one is C#CC(=O)CCC.
Q: What are the downstream products of hex-1-yn-3-one?
A: Related downstream products(CAS) of hex-1-yn-3-one: 105-31-7;1629-60-3;500733-82-4.
Q: What is the English name of hex-1-yn-3-one?
A: The English name of hex-1-yn-3-one is hex-1-yn-3-one.
Q: What are the upstream materials of hex-1-yn-3-one?
A: Related upstream materials(CAS) of hex-1-yn-3-one: 105-31-7;141-75-3;1066-54-2;80352-59-6;14630-40-1.
Q: What is the polar surface area (PSA) of hex-1-yn-3-one?
A: Polar surface area (PSA) of hex-1-yn-3-one is 17.07000.
Q: What is the Chinese name of 689-00-9?
A: Chinese name of 689-00-9 is 689-00-9.
Q: What English synonyms does hex-1-yn-3-one have?
A: English synonyms of hex-1-yn-3-one: Propyl-aethinyl-keton, 1-hexyn-3-one, Ethynyl propyl ketone, HC.equiv.CCOCH2CH2CH3, Hex-1-in-3-on.
Q: What is the CAS number of hex-1-yn-3-one?
A: CAS number of hex-1-yn-3-one is 689-00-9.
Q: What is the InChIKey of hex-1-yn-3-one?
A: InChIKey of hex-1-yn-3-one is KSJAIMUFADDAOP-UHFFFAOYSA-N.
Q: What is the molecular weight of hex-1-yn-3-one?
A: Molecular weight of hex-1-yn-3-one is 96.12710.

 Ethynyl propyl ketonefactory

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

Dayang Chem (Hangzhou) Co., Ltd.
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