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1-(Trimethylsilyl)-1-pentyne

1-(Trimethylsilyl)-1-pentyne structure

CAS No.: 18270-17-2

Chemical Name:: 1-(Trimethylsilyl)-1-pentyne

Synonyms: 1-TMS-1-pentyne;TIMTEC-BB SBB009062;TriMethylsilyl-1-pent;1-PENTYN-1-YLTRIMETHYLSILANE;trimethyl(pent-1-ynyl)silane;1-(Trimethylsilyl)-1-pentyne;Trimethyl(1-pentyn-1-yl)silane;Trimethyl(pent-1-yn-1-yl)silane;1-Trimethylsilyl-1-pentyne ≥98%;Silane, trimethyl-1-pentyn-1-yl-

CBNumber:: CB7223307

Molecular Formula:: C8H16Si

Molecular Weight:: 140.3

MDL Number:: MFCD00077890

MOL File:: 18270-17-2.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:54:48

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1-(Trimethylsilyl)-1-pentyne Properties

Boiling point	135 °C(lit.)
Density	0.765 g/mL at 25 °C(lit.)
refractive index	n20/D 1.425(lit.)
Flash point	73 °F
form	clear liquid
Specific Gravity	0.765
color	Colorless to Light yellow
BRN	1744218
CAS DataBase Reference	18270-17-2(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02,GHS07

Signal word

Warning

Hazard statements

H226-H315-H319-H335

Precautionary statements

P210-P303+P361+P353-P405-P501a-P261-P305+P351+P338

Hazard Codes

Risk Statements

10-36/37/38

Safety Statements

26-36

RIDADR

UN 1993 3/PG 3

WGK Germany

HS Code

2931.90.9010

HazardClass

3.1

PackingGroup

Limited Quantities

5.0 L (1.3 gallons) (liquid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

NFPA 704

	2
2		0

1-(Trimethylsilyl)-1-pentyne price More Price(26)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	T2746	1-(Trimethylsilyl)-1-pentyne >98.0%(GC)	18270-17-2	5g	$99	2026-04-30	Buy
Usbiological	291779	1-(Trimethylsilyl)-1-pentyne Asreported	18270-17-2	1g	$326	2026-06-03	Buy
Usbiological	291779	1-(Trimethylsilyl)-1-pentyne Asreported	18270-17-2	2g	$455	2026-06-03	Buy
Usbiological	291779	1-(Trimethylsilyl)-1-pentyne Asreported	18270-17-2	5g	$659	2026-06-03	Buy
Usbiological	291779	1-(Trimethylsilyl)-1-pentyne Asreported	18270-17-2	10g	$921	2026-06-03	Buy

Product number	Packaging	Price	Buy
T2746	5g	$99	Buy
291779	1g	$326	Buy
291779	2g	$455	Buy
291779	5g	$659	Buy
291779	10g	$921	Buy

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

Raw materials

Preparation Products

1-(Trimethylsilyl)-1-pentyne Suppliers

Global Suppliers ( 94)

Supplier	Tel	Email	Country	ProdList	Advantage
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
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
China DongFan Chemical Co.,LTD	86-0571-85151182		China	5681	66
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57

Supplier	Advantage
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
Shanghai Hanhong Scientific Co.,Ltd.	64
China DongFan Chemical Co.,LTD	66
Shandong Xiya Chemical Co., Ltd	57

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

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2020-02-01	1-(TRIMETHYLSILYL)-1-PENTYNE 18270-17-2	$3.00	1KG	98%	100KG	Career Henan Chemical Co

1-(TRIMETHYLSILYL)-1-PENTYNE
18270-17-2
$3.00
98%
Career Henan Chemical Co

1-(Trimethylsilyl)-1-pentyne Spectrum

1-(TRIMETHYLSILYL)-1-PENTYNE(18270-17-2)¹HNMR 1-(TRIMETHYLSILYL)-1-PENTYNE(18270-17-2)Raman 1-(TRIMETHYLSILYL)-1-PENTYNE(18270-17-2)IR

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1-PENTYN-1-YLTRIMETHYLSILANE TIMTEC-BB SBB009062 trimethyl(pent-1-ynyl)silane 1-TMS-1-pentyne 1-Pentyn-1-yltrimethylsilane Trimethyl(pent-1-yn-1-yl)silane TriMethylsilyl-1-pent 1-(TRIMETHYLSILYL)-1-PENTYNE, 98%1-(TRIMETHYLSILYL)-1-PENTYNE, 98%1-(TRIMETHYLSILYL)-1-PENTYNE, 98% Silane, trimethyl-1-pentyn-1-yl- 1-TMS-1-pentyne Trimethyl(1-pentyn-1-yl)silane 1-Trimethylsilyl-1-pentyne ≥98% 1-(Trimethylsilyl)-1-pentyne 18270-17-2 CH3CH22CCSiCH33 CH3CH2CH2C8801CSiCH33 Organic Building Blocks Internal Alkynes Building Blocks Alkynes Building Blocks Chemical Synthesis Internal Organic Building Blocks