Shanghai Nianxing Industrial Co., Ltd
China
Product Name: triMethyl((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl)silane
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: triMethyl((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl)silane
Price: ￥808.0/100mg ￥338.0/25mg
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: triMethyl((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl)silane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: triMethyl((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl)silane
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/25g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

159087-46-4

159087-46-4 structure

159087-46-4 structure

Name: triMethyl((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl)silane
Chemical Name: trimethyl-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl]silane
CAS Number: 159087-46-4
Molecular Formula: C₁₁H₂₁BO₂Si
Molecular Weight: 224.180
Create Date: 2016-02-22 11:01:34
Modify Date: 2025-08-23 18:43:25

Name	trimethyl-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl]silane
Synonyms	TRIMETHYL((4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)ETHYNYL)SILANE trimethylsilylethynylboronic acid pinacol ester 1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-[2-(trimethylsilyl)ethynyl]- 4,4,5,5-tetramethyl-2-trimethylsilanylethynyl-[1,2,3]dioxaborolane Trimethyl[(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethynyl]silane 4,4,5,5-tetramethyl-2-[(trimethylsilanyl)ethynyl]-1,3,2-dioxaborolane 1,3,2-Dioxaborolane,4,4,5,5-tetramethyl-2-[(trimethylsilyl)ethynyl] 4,4,5,5-tetramethyl-2-[2-(trimethylsilanyl)ethynyl][1,3,2]dioxaborolane

Density	0.9±0.1 g/cm3
Boiling Point	211.1±23.0 °C at 760 mmHg
Molecular Formula	C₁₁H₂₁BO₂Si
Molecular Weight	224.180
Flash Point	81.4±22.6 °C
Exact Mass	224.140381
PSA	18.46000
LogP	2.49860
Vapour Pressure	0.3±0.4 mmHg at 25°C
Index of Refraction	1.439
Storage condition	2-8°C

Hazard Codes	Xi
HS Code	2934999090

61676-62-8 structure

61676-62-8

1066-54-2 structure

1066-54-2

~63%

159087-46-4 structure

159087-46-4

Literature: Harker, Wesley R.R.; Delaney, Patrick M.; Simms, Michael; Tozer, Matthew J.; Harrity, Joseph P.A. Tetrahedron, 2013 , vol. 69, # 5 p. 1546 - 1552

25015-63-8 structure

25015-63-8

1066-54-2 structure

1066-54-2

~85%

159087-46-4 structure

159087-46-4

Literature: Lee, Chun-I; Zhou, Jia; Ozerov, Oleg V. Journal of the American Chemical Society, 2013 , vol. 135, # 9 p. 3560 - 3566

Precursor 3
61676-62-8 1066-54-2 25015-63-8
DownStream 0

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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