Alfa Aesar™ 4-Bromo-1H-pyrazole, ≥98%


Overview
Brand: Alfa Aesar™

Manufacturer Part Number: H64673-14

25GR 4-Bromo-1H-pyrazole, 98+% 25g

UNSPSC: 12352101

Code: NEW

Additional Details:
Additional Details: CAS Number: 2075-45-8 Weight: 0.02500kg


Quantity 25g

Product Code. 15421979

Quantity Price
1 £ 24.09 / 25g
Estimated Shipment date
from Supplier 13-12-2016
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Description and Specification

Chemical Identifiers

Chemical Name or Material 4-Bromo-1H-pyrazole
CAS 2075-45-8
Formula Weight 146.97g/mol
MDL Number MFCD00075602
Beilstein 106510

Specification

Melting Point 93 to 96°C (lit.)
Boiling Point 250 to 260°C (lit.)
Quantity 25g
Chemical Name or Material 4-Bromo-1H-pyrazole
CAS 2075-45-8
Physical Form Solid
Assay ≥98%
Formula Weight 146.97g/mol
MDL Number MFCD00075602
Beilstein 106510
Health Hazard 1 Warning
Health Hazard 2 GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Health Hazard 3 GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do.
Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
RTECS Number UQ6200000

Applications
4-Bromopyrazole may be used in the preparation of 4-bromo-1-(2-chloroethyl)-1H-pyrazole. It may be used as starting material in the synthesis of 1,4′-bipyrazoles. Also used in the synthesis of various pharmaceutical and biologically active compounds, including inhibitors. It is also shown to be one of the 4-substituted pyrazoles, being able to act as inhibitor of liver alcohol dehydrogenase.

Solubility
Slightly soluble in water.

Notes
Store in cool, dry place in tightly closed container. With adequate ventilation. Store away from oxidizing agent.

Safety and Handling

Warning

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do.
Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.