ChemicalBook > CAS DataBase List > 2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

Product Name
2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane
CAS No.
347389-74-6
Chemical Name
2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane
Synonyms
Ethynylboronic acid pinacol ester;2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborlane;2-Ethynyl-4,4,5,5-tertamethyl-1,3,2-dioxaborolane;2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane;1,3,2-Dioxaborolane, 2-ethynyl-4,4,5,5-tetramethyl-;2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane >2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane - [E72428];2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane AldrichCPR
CBNumber
CB72499267
Molecular Formula
C8H13BO2
Formula Weight
152
MOL File
347389-74-6.mol
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2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane Property

Melting point:
25°
Boiling point:
133℃
Density 
0.93
refractive index 
1.4300 to 1.4340
Flash point:
34℃
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
solubility 
Acetonitrile (Slightly), Chloroform (Sparingly)
form 
Solid
color 
Colourless to Off-White
InChI
1S/C8H13BO2/c1-6-9-10-7(2,3)8(4,5)11-9/h1H,2-5H3
InChIKey
ZEOXJIIUMORBNN-UHFFFAOYSA-N
SMILES
CC1(C)OB(OC1(C)C)C#C
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Safety

RIDADR 
UN 3272 3/PG III
WGK Germany 
3
HazardClass 
3
PackingGroup 
III
HS Code 
2931900090
Storage Class
11 - Combustible Solids
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
CBR01796
Product name
2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Purity
AldrichCPR
Packaging
1g
Price
$314
Updated
2025/07/31
TCI Chemical
Product number
E1074
Product name
2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Purity
>95.0%(GC)
Packaging
200mg
Price
$81
Updated
2025/07/31
TCI Chemical
Product number
E1074
Product name
2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Purity
>95.0%(GC)
Packaging
1g
Price
$240
Updated
2025/07/31
TRC
Product number
B125025
Product name
2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Packaging
5mg
Price
$60
Updated
2021/12/16
TRC
Product number
B125025
Product name
2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
Packaging
25mg
Price
$75
Updated
2021/12/16

2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane Suppliers

TCI (Shanghai) Development Co., Ltd.
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021-67121386
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021-67121385
Email
Sales-CN@TCIchemicals.com
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China
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Energy Chemical
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021-58436166
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sales8178@energy-chemical.com
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China
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Tetranov Biopharm
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13526569071
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sales@leadmedpharm.com
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China
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Accela ChemBio Co.,Ltd.
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021-50795510 4000665055
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021-50795055
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sales@accelachem.com
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China
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Shandong Xiya Chemical Co., Ltd
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13355009207 13355009207
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0539-6365991
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China
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Shanghai Sunway Pharmaceutical Technology Co., Ltd
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18270980682
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021 51613951
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mlcheng@sunwaypharm.cn
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China
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Shanghai Topbiochem Technology Co., Ltd
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021-58170097
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info@topbiochem.com
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China
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TOKYO CHEMICAL INDUSTRY CO., LTD.
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03-36680489
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03-3668-0520
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Sales-JP@TCIchemicals.com
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Japan
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TCI Europe
Tel
320-37350700
Fax
+32 (0)37350701
Email
sales@tcieurope.eu
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Europe
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TCI AMERICA
Tel
800-4238616
Fax
+1-888-520-1075 / +1-503-283-1987
Email
sales@tciamerica.com
Country
Americas
ProdList
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View Lastest Price from 2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane manufacturers

Career Henan Chemical Co
Product
2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane 347389-74-6
Price
US $1.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
200kgs
Release date
2020-01-09

347389-74-6, 2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolaneRelated Search:


  • 2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane
  • Ethynylboronic acid pinacol ester
  • 2-Ethynyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborlane
  • 2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane AldrichCPR
  • 1,3,2-Dioxaborolane, 2-ethynyl-4,4,5,5-tetramethyl-
  • 2-Ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane &gt
  • 2-Ethynyl-4,4,5,5-tertamethyl-1,3,2-dioxaborolane
  • 2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane - [E72428]
  • 347389-74-6
  • C8H13BO2
  • organoboron