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ChemicalBook >> CAS DataBase List >> 4,4,5,5-Tetramethyl-2-(1-propyn-1-yl)-1,3,2-dioxaborolane

4,4,5,5-Tetramethyl-2-(1-propyn-1-yl)-1,3,2-dioxaborolane

4,4,5,5-Tetramethyl-2-(1-propyn-1-yl)-1,3,2-dioxaborolane price.
  • $49 - $2186
  • Product name: 4,4,5,5-Tetramethyl-2-(1-propyn-1-yl)-1,3,2-dioxaborolane
  • CAS: 347389-75-7
  • MF: C9H15BO2
  • MW: 166.03
  • EINECS:
  • MDL Number:MFCD13182123
  • Synonyms:1-Propyn-1-boronic acid pinacol ester;4,4,5,5-Tetramethyl-2-(1-propyn-1-yl)-1,3,2-dioxaborolane;1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(1-propyn-1-yl)-;Prop-1-ynylboronic acid pinacol ester;4,4,5,5-Tetramethyl-2-prop-1-ynyl-1,3,2-dioxaborolane;1-prop-2-yn-1-ylboronic acid pinacol ester;1-Propyneboronic acid pinacol ester
27 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Biosynth
  • ChemBridge Corporation
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • TRC
Package
  • 100.00mg
  • 100mg
  • 250mg
  • 250.00mg
  • 1.00g
  • 1g
  • 2g
  • 5G
  • 10g
  • 25g
  • Manufactureraablocks
  • Product numberAA00C9IT
  • Product description4,4,5,5-Tetramethyl-2-(1-propyn-1-YL)-1,3,2-dioxaborolane 96%
  • Packaging25g
  • Price$2186
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00C9IT
  • Product description4,4,5,5-Tetramethyl-2-(1-propyn-1-YL)-1,3,2-dioxaborolane 96%
  • Packaging10g
  • Price$1096
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00C9IT
  • Product description4,4,5,5-Tetramethyl-2-(1-propyn-1-YL)-1,3,2-dioxaborolane 97%
  • Packaging1g
  • Price$131
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00C9IT
  • Product description4,4,5,5-Tetramethyl-2-(1-propyn-1-YL)-1,3,2-dioxaborolane 97%
  • Packaging250mg
  • Price$60
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00C9IT
  • Product description4,4,5,5-Tetramethyl-2-(1-propyn-1-YL)-1,3,2-dioxaborolane 97%
  • Packaging100mg
  • Price$49
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberP51372
  • Product description4,4,5,5-tetramethyl-2-(prop-1-yn-1-yl)-1,3,2-dioxaborolane 95%
  • Packaging5G
  • Price$1120
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberP51372
  • Product description4,4,5,5-tetramethyl-2-(prop-1-yn-1-yl)-1,3,2-dioxaborolane 95%
  • Packaging1G
  • Price$280
  • Updated2026-05-27
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberBOR0007492
  • Product description1-PROPYNEBORONIC ACID PINACOL ESTER 95.00%
  • Packaging1G
  • Price$454.65
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR908925
  • Product descriptionProp-1-ynylboronic acid pinacol ester 96%
  • Packaging1g
  • Price$252
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR908925
  • Product descriptionProp-1-ynylboronic acid pinacol ester 96%
  • Packaging1g
  • Price$252
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberXNA38975
  • Product descriptionProp-1-ynylboronic acid pinacol ester
  • Packaging1g
  • Price$584.1
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberXNA38975
  • Product descriptionProp-1-ynylboronic acid pinacol ester
  • Packaging2g
  • Price$908.6
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberXNA38975
  • Product descriptionProp-1-ynylboronic acid pinacol ester
  • Packaging5g
  • Price$1427.8
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberXNA38975
  • Product descriptionProp-1-ynylboronic acid pinacol ester
  • Packaging10g
  • Price$2141.7
  • Updated2026-06-05
  • Buy
  • ManufacturerChemBridge Corporation
  • Product numberBB-4043109
  • Product description4,4,5,5-tetramethyl-2-(1-propyn-1-yl)-1,3,2-dioxaborolane 95%
  • Packaging1g
  • Price$185
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM213983
  • Product description4,4,5,5-Tetramethyl-2-(prop-1-yn-1-yl)-1,3,2-dioxaborolane 97%
  • Packaging5g
  • Price$887
  • Updated2026-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00C9IT 4,4,5,5-Tetramethyl-2-(1-propyn-1-YL)-1,3,2-dioxaborolane 96% 25g $2186 2026-05-28 Buy
aablocks AA00C9IT 4,4,5,5-Tetramethyl-2-(1-propyn-1-YL)-1,3,2-dioxaborolane 96% 10g $1096 2026-05-28 Buy
aablocks AA00C9IT 4,4,5,5-Tetramethyl-2-(1-propyn-1-YL)-1,3,2-dioxaborolane 97% 1g $131 2026-05-28 Buy
aablocks AA00C9IT 4,4,5,5-Tetramethyl-2-(1-propyn-1-YL)-1,3,2-dioxaborolane 97% 250mg $60 2026-05-28 Buy
aablocks AA00C9IT 4,4,5,5-Tetramethyl-2-(1-propyn-1-YL)-1,3,2-dioxaborolane 97% 100mg $49 2026-05-28 Buy
ACHEMBLOCK P51372 4,4,5,5-tetramethyl-2-(prop-1-yn-1-yl)-1,3,2-dioxaborolane 95% 5G $1120 2026-05-27 Buy
ACHEMBLOCK P51372 4,4,5,5-tetramethyl-2-(prop-1-yn-1-yl)-1,3,2-dioxaborolane 95% 1G $280 2026-05-27 Buy
American Custom Chemicals Corporation BOR0007492 1-PROPYNEBORONIC ACID PINACOL ESTER 95.00% 1G $454.65 2021-12-16 Buy
Apolloscientific OR908925 Prop-1-ynylboronic acid pinacol ester 96% 1g $252 2026-06-04 Buy
Apolloscientific OR908925 Prop-1-ynylboronic acid pinacol ester 96% 1g $252 2026-06-04 Buy
Biosynth XNA38975 Prop-1-ynylboronic acid pinacol ester 1g $584.1 2026-06-05 Buy
Biosynth XNA38975 Prop-1-ynylboronic acid pinacol ester 2g $908.6 2026-06-05 Buy
Biosynth XNA38975 Prop-1-ynylboronic acid pinacol ester 5g $1427.8 2026-06-05 Buy
Biosynth XNA38975 Prop-1-ynylboronic acid pinacol ester 10g $2141.7 2026-06-05 Buy
ChemBridge Corporation BB-4043109 4,4,5,5-tetramethyl-2-(1-propyn-1-yl)-1,3,2-dioxaborolane 95% 1g $185 2021-12-16 Buy
Chemenu CM213983 4,4,5,5-Tetramethyl-2-(prop-1-yn-1-yl)-1,3,2-dioxaborolane 97% 5g $887 2026-05-26 Buy

Properties

Boiling point :161℃
Density :0.93
Flash point :51℃
form :liquid
color :Colourless

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

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