3-(Trimethylsilyl)propynoic acid

3-(三甲基硅基)丙炔酸

Also known as: 3-(Trimethylsilyl)propiolic acid, 3-(Trimethylsilyl)propynoic acid, 3-(Trimethylsilyl)-2-propynoic acid, 3-trimethylsilylprop-2-ynoic acid, 3-(TRIMETHYLSILYL)PROP-2-YNOIC ACID, MFCD00190216, TIMTEC-BB SBB009048

CAS No.
5683-31-8
Jingsj CID
J-31100-5
Molecular Formula
C6H10O2Si
Chinese Name
3-(三甲基硅基)丙炔酸
Molecular Weight
142.228 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point47-49 °C(lit.)
Boiling Point219.1±9.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point86.3±18.7 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-(Trimethylsilyl)propynoic acid?

5683-31-8

What are the molecular formula and molecular weight of 3-(Trimethylsilyl)propynoic acid?

C6H10O2Si, molecular weight 142.228 g/mol

Is 3-(Trimethylsilyl)propynoic acid hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026