Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Trimethyl(1-pentyn-1-yl)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(1-pentyn-1-yl)silane
Price: ￥1998.0/25g ￥168.0/1g ￥598.0/5g
Purity: 98.0%
Stocking Period: 1 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-(trimethylsilyl)-1-pentyne
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

18270-17-2

18270-17-2 structure

18270-17-2 structure

Name: Trimethyl(1-pentyn-1-yl)silane
Chemical Name: trimethyl(pent-1-ynyl)silane
CAS Number: 18270-17-2
Molecular Formula: C₈H₁₆Si
Molecular Weight: 140.298
Create Date: 2018-02-25 08:00:00
Modify Date: 2025-08-25 19:24:16

Name	trimethyl(pent-1-ynyl)silane
Synonyms	1-Pentyn-1-yltrimethylsilane Silane, trimethyl-1-pentyn-1-yl- Trimethyl(1-pentyn-1-yl)silane Trimethyl(pent-1-yn-1-yl)silane 5-trimethylsilyl-4-pentyne MFCD00077890 1-(TriMethylsilyl)-1-pentyne 1-(trimethylsilyl)pent-1-yne 1-TMS-1-pentyne 1-Trimethylsilyl-1-pentyne 1-(trimethylsilyl)pentyne

Density	0.8±0.1 g/cm3
Boiling Point	135.0±0.0 °C at 760 mmHg
Molecular Formula	C₈H₁₆Si
Molecular Weight	140.298
Flash Point	22.8±0.0 °C
Exact Mass	140.102127
LogP	3.76
Vapour Pressure	9.7±0.2 mmHg at 25°C
Index of Refraction	1.424

Hazard Codes	Xi: Irritant;
Risk Phrases	R10
Safety Phrases	S26-S36
RIDADR	UN 1993 3/PG 3
WGK Germany	3
Packaging Group	II
Hazard Class	3.1
HS Code	2931900090

Precursor 8
75-79-6 41246-05-3 75-77-4 627-19-0
59323-36-3 14267-92-6 1066-54-2 60-29-7
DownStream 7
627-19-0 31844-95-8 3718-59-0 1083004-84-5
672263-60-4 88761-33-5 500791-53-7

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

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