Trimethylsilylacetylene (CAS 1066-54-2)

Chinese name: 三甲基乙炔基硅

Trimethylsilylacetylene is registered under CAS 1066-54-2. Molecular formula: C5H10Si. Approximate molecular weight: 98.218. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	1066-54-2
English name	Trimethylsilylacetylene
Chinese name	三甲基乙炔基硅
Molecular formula	C5H10Si
Molecular weight	98.218
Boiling point	53℃
Density	0.69
Flash point	-34℃
Refractive index	1.3873-1.3903
Water solubility	起反应
Vapor pressure	273mmHgat25°C
HS code (ref.)	29310095

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Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 1066-54-2?

Trimethylsilylacetylene is identified by CAS Registry Number 1066-54-2. Molecular formula: C5H10Si. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy Trimethylsilylacetylene?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 1066-54-2 data?

Cross-check PubChem / NIST / CAS Common Chemistry, and use our free CAS lookup tool. Always match CAS on COA and invoice.

Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.