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tert-Butyldimethylsilylacetylene

tert-Butyldimethylsilylacetylene Structure
tert-Butyldimethylsilylacetylene structure
CAS No.
86318-61-8
Chemical Name:
tert-Butyldimethylsilylacetylene
Synonyms
(tert-Butyldimethylsilyl)ethyne;(T-BUTYLDIMETHYLSILYL)ACETYLENE;tert-BUTYLDIMETHYLSILYLACETYLENE, 98%tert-BUTYLDIMETHYLSILYLACETYLENE, 98%tert-BUTYLDIMETHYLSILYLACETYLENE, 98%;DK416;DKSI029;DKFELEX0321;ethynyl-t-butyldimethylsilane;tert-Butyldimethylethynylsilane;ETHYNYL-TERT-BUTYLDIMETHYLSILANE;tert-Butyldimethylsilylacetylene
CBNumber:
CB1385265
Molecular Formula:
C8H16Si
Molecular Weight:
140.3
MDL Number:
MFCD00191877
MOL File:
86318-61-8.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:49:13
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tert-Butyldimethylsilylacetylene Properties

Melting point 98-102℃ (chloroform hexane )
Boiling point 116-117 °C (lit.)
Density 0.751 g/mL at 25 °C (lit.)
refractive index n20/D 1.451(lit.)
Flash point 43 °F
storage temp. Flammables area
form powder to lump to clear liquid
Specific Gravity 0.751
color White or Colorless to Almost white or Almost colorless
Water Solubility Sparingly soluble in water (0.043 g/L at 25°C).
Hydrolytic Sensitivity 4: no reaction with water under neutral conditions
BRN 1921466
InChI InChI=1S/C8H16Si/c1-7-9(5,6)8(2,3)4/h1H,2-6H3
InChIKey RTYNRTUKJVYEIE-UHFFFAOYSA-N
SMILES [Si](C)(C)(C#C)C(C)(C)C
CAS DataBase Reference 86318-61-8
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
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  F
Risk Statements  11
Safety Statements  9-16-23-24/25-29-33
RIDADR  UN 1993 3/PG 2
WGK Germany  3
F  10-21
HazardClass  3
PackingGroup  II
HS Code  29319090
Storage Class 3 - Flammable liquids
Hazard Classifications Flam. Liq. 2
NFPA 704
3
2 0

tert-Butyldimethylsilylacetylene price More Price(39)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 399264 (tert-Butyldimethylsilyl)acetylene 99% 86318-61-8 1g $87.1 2026-04-30 Buy
Sigma-Aldrich 399264 (tert-Butyldimethylsilyl)acetylene 99% 86318-61-8 5g $185 2026-04-30 Buy
TCI Chemical B4365 (tert-Butyldimethylsilyl)acetylene >97.0%(GC) 86318-61-8 5g $130 2026-04-30 Buy
TCI Chemical B4365 (tert-Butyldimethylsilyl)acetylene >97.0%(GC) 86318-61-8 25g $511 2026-04-30 Buy
Apolloscientific OR40614 [(tert-Butyl)dimethylsilyl]acetylene >99% 86318-61-8 1g $21 2026-06-04 Buy
Product number Packaging Price Buy
399264 1g $87.1 Buy
399264 5g $185 Buy
B4365 5g $130 Buy
B4365 25g $511 Buy
OR40614 1g $21 Buy

tert-Butyldimethylsilylacetylene Chemical Properties, Uses, Production

Chemical Properties

Clear colorless liquid

Uses

tert-Butyldimethylsilylacetylene may be used in the synthesis of β-alkynylketone and β-alkynyl aldehydes. It participates in Cadiot-Chodkiewicz cross-coupling reaction with various bromoalkynes to afford synthetically useful unsymmetrical diynes.

General Description

(tert-Butyldimethylsilyl)acetylene is a bulky trialkylsilyl-protected alkyne. It participates in Cadiot-Chodkiewicz cross-coupling reaction with various bromoalkynes to afford synthetically useful unsymmetrical diynes.

tert-Butyldimethylsilylacetylene Preparation Products And Raw materials

Raw materials

Preparation Products

1H-Pyrazole-5-carboxylic acid, 3-[(1,1-dimethylethyl)dimethylsilyl]-, ethyl ester 5-bromo-2-[(tert-butyl-dimethyl-silanyl)-ethynyl]-pyridine

tert-Butyldimethylsilylacetylene Suppliers

Global Suppliers ( 130)
Supplier Tel Email Country ProdList Advantage
Funing xunpeng new material technology co., ltd. 13092380301 656319980@qq.com China 8 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
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Wuhan Chemwish Technology Co., Ltd 86-027-67849912 sales@chemwish.com China 35884 56
Shanghai Sinch Parmaceuticals Tech. Co. Ltd. +86-21-54098501 sales@sinch.com.cn China 11592 64
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Shanghai Cuisen Pharmaceutical Technology Co., Ltd. 13472757003 yongnan.wang@cendrix.cn China 971 65
Supplier Advantage
Funing xunpeng new material technology co., ltd. 58
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Wuhan Chemwish Technology Co., Ltd 56
Shanghai Sinch Parmaceuticals Tech. Co. Ltd. 64
Shandong Xiya Chemical Co., Ltd 57
Shanghai Cuisen Pharmaceutical Technology Co., Ltd. 65

tert-Butyldimethylsilylacetylene Spectrum

TERT-BUTYLDIMETHYLSILYLACETYLENE(86318-61-8)IR

86318-61-8 (tert-Butyldimethylsilylacetylene) Related Search:

Silicone oil tert-Butyldimethylsilane 2-((tert-Butyldimethylsilanyl)ethynyl)-4,4,5,5-tetramethyl-(1,3,2)dioxaborolane 1,6-Bis-(tert-butyldimethylsilyl)-3-hexen-1,5-diyne 3-Bromo-1-(tert-butyldimethylsilyl)-1-propyne
1-Phenyl-3-(tert-butyldimethylsilyl)-2-propyn-1-ol 3,4-Dicyclohexyl-1,6-bis(tert-butyldimethylsilyl)-3-hexen-1,5-diyne 1-Cyclohexyl-3-(tert-butyldimethylsilyl)-2-propyn-1-ol 1,5-Di(tert-butyldimethylsilyl)-1,4-pentadiyn-3-ol 1,6-Bis-(triisopropylsilyl)-3,4-bis[2-(tert-butyldimethylsilyl)ethynyl]-3-hexen-1,5-diyne
tert-Butyldimethylsilylacetylene 3-tert-Butyldimethylsilylpropynal 3,4-Diphenyl-1,6-bis(tert-butyldimethylsilyl)-3-hexen-1,5-diyne 1-iso-Propyl-3-(tert-butyldimethylsilyl)-2-propyn-1-ol 3-tert-Butyldimethylsilyl-2-propyn-1-ol
1-(tert-Butyldimethylsilyl)-5-(triisopropylsilyl)-1,4-pentadiyn-3-ol

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Silane,(1,1-diMethylethyl)ethynyldiMethyl- tert-BUTYLDIMETHYLSILYLACETYLENE, 98%tert-BUTYLDIMETHYLSILYLACETYLENE, 98%tert-BUTYLDIMETHYLSILYLACETYLENE, 98% (tert-Butyldimethylsilyl)acetylene ETHYNYL-TERT-BUTYLDIMETHYLSILANE tert-BUTYLDIMETHYLSILYLACETYLENE 98% (tert-Butyldimethylsilyl)ethyne 1-(tert-Butyldimethylsilyl)ethyne 3,3,4,4-Tetramethyl-3-sila-1-pentyne tert-Butyldimethylethynylsilane (tert-Butyldimethylsilyl)acetylene,97% (tert-Butyldimethylsilyl)acetyleneEthynyl-tert-butyldimethylsilane ethynyl-t-butyldimethylsilane (tert-Butyl)(ethynyl)dimethylsilane (tert-Butyldimethylsilyl)acetylene> (1,1-Dimethylethyl)ethynyldimethylsilane DK416 DKFELEX0321 DKSI029 (tert-butyldimethylsiliconyl)ethylyne (T-BUTYLDIMETHYLSILYL)ACETYLENE tert-Butyldimethylsilylacetylene 86318-61-8 863187-61-8 CH33CSiCH32C8801CH CH33CSiCH32CCH Organic Building Blocks Terminal Alkynes Building Blocks Alkynes Building Blocks Chemical Synthesis Organic Building Blocks Terminal