But-3-en-1-ylboronic acid Property

Melting point:

84-90 °C

Boiling point:

196.7±33.0 °C(Predicted)

Density 

0.937±0.06 g/cm3(Predicted)

storage temp. 

2-8°C

pka

10.25±0.43(Predicted)

Safety

WGK Germany 

3

HS Code 

2931900090

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

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

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

But-3-en-1-ylboronic acid Chemical Properties,Usage,Production

Uses

Reactant for:

• Ag(I)-promoted Suzuki-Miyaura cross-couplings

General Description

May contain varying amounts of anhydride.

Purification Methods

Recrystallise the acid from toluene and dry it in vacuo.[cf Letsinger & Skoog J Org Chem 18 895 1953.]