Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

634196-62-6

634196-62-6 structure

634196-62-6 structure

Name: 2-(1-Pentynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Chemical Name: 4,4,5,5-tetramethyl-2-pent-1-ynyl-1,3,2-dioxaborolane
CAS Number: 634196-62-6
Molecular Formula: C₁₁H₁₉BO₂
Molecular Weight: 194.07800
Create Date: 2018-12-26 23:02:38
Modify Date: 2025-08-26 22:33:55

Name	4,4,5,5-tetramethyl-2-pent-1-ynyl-1,3,2-dioxaborolane
Synonyms	1-Pentynylboronic acid pinacol ester 2-(1-PENTYNYL)-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE

Density	0.9057 g/mL at 25ºC
Boiling Point	68-72ºC/0.09 mmHg
Molecular Formula	C₁₁H₁₉BO₂
Molecular Weight	194.07800
Flash Point	68ºC
Exact Mass	194.14800
PSA	18.46000
LogP	2.42130
Index of Refraction	n20/D 1.4479

HS Code	2931900090

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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