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1-(Trimethylsilyl)-1-propyne

1-(Trimethylsilyl)-1-propyne Structure
1-(Trimethylsilyl)-1-propyne structure
CAS No.
6224-91-5
Chemical Name:
1-(Trimethylsilyl)-1-propyne
Synonyms
triMethyl(prop-1-yn-1-yl)silane;TRIMETHYL SILYL-1-PROPYNE;TRIMETHYLSILYLPROPYNE;trimethyl(prop-1-ynyl)silane;1-(TRIMETHYLSILYL)PROPYNE;T 3728;1-TMS-1-PROPYNE;TIMTEC-BB SBB009046;Tritrimethylmethylproyne;1-(TRIMETYHLSILYL)PROPYNE
CBNumber:
CB4739331
Molecular Formula:
C6H12Si
Molecular Weight:
112.25
MDL Number:
MFCD00009271
MOL File:
6224-91-5.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 02:08:03
Request For Quotation

1-(Trimethylsilyl)-1-propyne Properties

Melting point -69°C
Boiling point 99-100 °C (lit.)
Density 0.758 g/mL at 25 °C (lit.)
vapor density >1 (vs air)
refractive index n20/D 1.417(lit.)
Flash point 25 °F
storage temp. 2-8°C
solubility Miscible with toluene.
form Liquid
Specific Gravity 0.758
color Clear colorless
Hydrolytic Sensitivity 4: no reaction with water under neutral conditions
BRN 1071311
InChI 1S/C6H12Si/c1-5-6-7(2,3)4/h1-4H3
InChIKey DCGLONGLPGISNX-UHFFFAOYSA-N
SMILES CC#C[Si](C)(C)C
CAS DataBase Reference 6224-91-5(CAS DataBase Reference)
FDA UNII ZQA6VF7W9R
NIST Chemistry Reference 1-(Trimethylsilyl)-1-propyne(6224-91-5)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)
GHS02
Signal word  Danger
Hazard statements  H225
Precautionary statements  P210-P233-P240-P241-P242-P243
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  F,Xi
Risk Statements  11-36/37/38
Safety Statements  16-26-36-37/39
RIDADR  UN 1993 3/PG 2
WGK Germany  3
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29319090
Storage Class 3 - Flammable liquids
Hazard Classifications Flam. Liq. 2
Limited Quantities 1.0 L (0.3 gallon) (liquid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
3
2 0

1-(Trimethylsilyl)-1-propyne price More Price(44)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 244481 1-(Trimethylsilyl)propyne 99% 6224-91-5 5g $162 2026-04-30 Buy
Sigma-Aldrich 244481 1-(Trimethylsilyl)propyne 99% 6224-91-5 25g $496 2026-04-30 Buy
TCI Chemical T1123 1-(Trimethylsilyl)-1-propyne >98.0%(GC) 6224-91-5 5mL $68 2026-04-30 Buy
TCI Chemical T1123 1-(Trimethylsilyl)-1-propyne >98.0%(GC) 6224-91-5 25mL $205 2026-04-30 Buy
AK Scientific X7187 1-(Trimethylsilyl)propyne 99%(GC) 6224-91-5 1ml $16 2026-06-04 Buy
Product number Packaging Price Buy
244481 5g $162 Buy
244481 25g $496 Buy
T1123 5mL $68 Buy
T1123 25mL $205 Buy
X7187 1ml $16 Buy

1-(Trimethylsilyl)-1-propyne Chemical Properties, Uses, Production

Chemical Properties

1-(Trimethylsilyl)-1-propyne is CLEAR COLOURLESS LIQUID

Uses

1-(Trimethylsilyl)propyne is used in the synthesis of alkynyl silane derivative.

Uses

1-Trimethylsilyl-1-propyne is employed in the preparation of alkynyl silane derivatives. It is also used to prepare highly substituted indenes using palladium-catalyzed carboannulation. Further, it plays an important role in the preparation of indenones through a rhodium-catalyzed reaction with 2-bromophenylboronic acids.

1-(Trimethylsilyl)-1-propyne synthesis

5272-36-6
6224-91-5
Synthesis of 1-(Trimethylsilyl)-1-propyne from 3-Trimethylsilyl-2-propyn-1-ol

1-(Trimethylsilyl)-1-propyne Preparation Products And Raw materials

Raw materials

Preparation Products

Tributylpropynylstannane 3-(Trimethylsilylethynyl)pyridine 2,3,6-Trimethylphenol 1-broMo-3-(prop-1-ynyl)benzene

1-(Trimethylsilyl)-1-propyne Suppliers

Global Suppliers ( 290)
Supplier Tel Email Country ProdList Advantage
New Energy Chemicals 0515-82159099 13770142076 info@njuchem.com China 251 65
Shanghai Chuen Pharmaceutical Technology Co., Ltd. 18817486326 3237528851@qq.com China 52 58
Anhui Shuoyuan Pharmaceutical Technology R&D Co.,Ltd 05558228005 18151793555 413315120@qq.com China 176 58
Anhui Jianzhu Biotechnology Co., Ltd. 15855184105 3150278607@qq.com China 64 58
Shanghai Ruiyi Pharmaceutical Technology Co., Ltd 021-54711706 sales5@ruiyitech.com China 224 58
Hangzhou Copiore Chemical Co., Ltd. 17300981287 13757145729 sales@copiore.com China 291 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Supplier Advantage
New Energy Chemicals 65
Shanghai Chuen Pharmaceutical Technology Co., Ltd. 58
Anhui Shuoyuan Pharmaceutical Technology R&D Co.,Ltd 58
Anhui Jianzhu Biotechnology Co., Ltd. 58
Shanghai Ruiyi Pharmaceutical Technology Co., Ltd 58
Hangzhou Copiore Chemical Co., Ltd. 58
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81

View Latest Price from 1-(Trimethylsilyl)-1-propyne manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1-(Trimethylsilyl)-1-propyne pictures 2025-04-04 1-(Trimethylsilyl)-1-propyne
6224-91-5
 1KG 98% 1ton Henan Aochuang Chemical Co.,Ltd.
1-(Trimethylsilyl)-1-propyne pictures 2021-07-13 1-(Trimethylsilyl)-1-propyne
6224-91-5
 $10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd
1-(Trimethylsilyl)-1-propyne pictures 2021-07-10 1-(Trimethylsilyl)-1-propyne
6224-91-5
 $10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd

1-(Trimethylsilyl)-1-propyne Spectrum

1-(Trimethylsilyl)-1-propyne(6224-91-5)MS1-(Trimethylsilyl)-1-propyne(6224-91-5)1HNMR1-(Trimethylsilyl)-1-propyne(6224-91-5)13CNMR1-(Trimethylsilyl)-1-propyne(6224-91-5)IR11-(Trimethylsilyl)-1-propyne(6224-91-5)Raman

6224-91-5 (1-(Trimethylsilyl)-1-propyne) Related Search:

:(S)-2-Methyl-3-(2-propynyl)-4-oxocyclopent-2-enyl-(lR)-cis,trans-2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate Propyne Trimethylsilylacetylene Propiolic Acid N-(Trimethylsilyl)acetamide
3-Methyl butynol Propargylamine 2-(Trimethylsilylethynyl)pyridine 1,4-Bis(trimethylsilyl)-1,3-butadiyne 1-Phenyl-2-(trimethylsilyl)acetylene
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1-Trimethylsilyl-1,4-pentadiyne 3-Trimethylsilyl-2-propyn-1-ol Propargyl alcohol

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Silane, trimethyl-1-propynyl- 1-(trimethylsilyl)prop-1-yne 1-(TRIMETYHLSILYL)PROPYNE 1-(Trimethylsilyl)propyne,97% 1-Methyl-2- triMethylsilylacety 1-(TRIMETHYLSILYL)-1-PROPYNE, 98%1-(TRIMETHYLSILYL)-1-PROPYNE, 98%1-(TRIMETHYLSILYL)-1-PROPYNE, 98% (1-Propynyl)trimethylsilane 1-Propynyltrimethylsilane 1-(Trimethylsilyl)-1-propyne,98% 1-(Trimethylsilyl)propyne,Trimethyl-1-propynylsilane 1-Methyl-2- triMethylsilylacetylene Methyl(triMethylsilyl)ethyne T 3728 TriMethyl(1-propyn-1-yl)silane TriMethyl-1-propyn-1-ylsilane 1-(triMethylsilylpropynethree) 1-(Trimethylsilyl)propyne 99% TRIMETHYL-1-PROPYNYLSILANE Trimethylsilyl-1-Propyne (TMSP) TIMTEC-BB SBB009046 1-TMS-1-PROPYNE 1-(TRIMETHYLSILYL)-1-PROPYNE 1-TRIMETHYLSILYLPROPYNE-1 METHYL TRIMETHYLSILYLACETYLENE Silane, trimethyl-1-propyn-1-yl- TRIMETHYL SILYL-1-PROPYNE 1-(Trimethylsilyl)propyne,99% 1-(trimethylsilyl) propionate Tritrimethylmethylproyne 1-(TRIMETHYLSILYL)PROPYNE trimethyl(prop-1-ynyl)silane triMethyl(prop-1-yn-1-yl)silane TRIMETHYLSILYLPROPYNE 6224-91-5 CH3C8801CSiCH33 CH3CCSiCH33 Diyne Compounds (LB Films) Si-(C)4 Compounds Functionalized Acetylenes Ethynylsilanes Acetylenes LB Films Silicon Compounds (for Synthesis) Si (Classes of Silicon Compounds) Organic Building Blocks Internal Building Blocks Alkynes Si-(C)4 Compounds Silicon Compounds (for Synthesis) Synthetic Organic Chemistry Acetylenes Diyne Compounds (LB Films) Ethynylsilanes Functional Materials Functionalized Acetylenes LB Films Si (Classes of Silicon Compounds)