3,5-Octadiyne,2,2,7,7-tetramethyl-

Also known as: 2,2',7,7'-tetramethyl-octa-3,5-diyne, 2,2,6,6-TETRAMETHYL-4-PIPERIDONE MONOHYDRATE, 2,2,7,7-Tetramethyl-3,5-octadiyne, 2,2,7,7-tetramethyl-octadiyne, 2,2,7,7-tetramethylocta-3,5-diyne, 3,2,2,7,7-tetramethyl, MFCD00134265

3,5-Octadiyne,2,2,7,7-tetramethyl- (CAS 6130-98-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H18 and a molecular weight of 162.27100 g/mol. Key properties include a melting point of 130-132ºC(lit.), a boiling point of 228.3ºC at 760 mmHg, a density of 0.839g/cm3 and a flash point of 83.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6130-98-9
Jingsj CID: J-46690-0
Molecular Formula: C₁₂H₁₈
Molecular Weight: 162.27100 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	130-132ºC(lit.)
Boiling Point	228.3ºC at 760 mmHg
Density	0.839g/cm3
Flash Point	83.4ºC
Exact Mass	162.14100
LogP	3.08540
Refractive Index	1.466

Customs & Trade Information

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%

Frequently Asked Questions

What is the CAS number of 3,5-Octadiyne,2,2,7,7-tetramethyl-?

The CAS number of 3,5-Octadiyne,2,2,7,7-tetramethyl- is 6130-98-9.

What are the molecular formula and molecular weight of 3,5-Octadiyne,2,2,7,7-tetramethyl-?

3,5-Octadiyne,2,2,7,7-tetramethyl- has molecular formula C12H18 and molecular weight 162.27100 g/mol.

What are the upstream and downstream products of 3,5-Octadiyne,2,2,7,7-tetramethyl-?

For 3,5-Octadiyne,2,2,7,7-tetramethyl-, Upstream Products: 3,3-Dimethyl-1-Butyne, (Bromoethynyl)benzene, 2-Methyl-3-butyn-2-ol; Downstream Products: 1-Trimethylsilyl-3,3-dimethyl-1-butyne.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3,5-Octadiyne,2,2,7,7-tetramethyl- (CAS 6130-98-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46690-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.