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Alfa Aesar™ 4,4-Dibromo-3-methyl-2-pyrazolin-5-one, 98+%

$38.84 - $147.24

Chemical Identifiers

Chemical Name or Material 4,4-Dibromo-3-methyl-2-pyrazolin-5-one
CAS 33549-66-5
Molecular Formula C4H4Br2N2O
Formula Weight 255.91g/mol
MDL Number MFCD00015942
Synonym 4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAB2555106

 
alfa aesar™
B25551-06
5g Each for $38.84

AAB2555114

 
alfa aesar™
B25551-14
25g Each for $147.24
Description & Specifications

Specifications

Melting Point 129° to 132°C
Quantity 5g
Chemical Name or Material 4,4-Dibromo-3-methyl-2-pyrazolin-5-one
CAS 33549-66-5
Assay ≥98%
Molecular Formula C4H4Br2N2O
Formula Weight 255.91g/mol
MDL Number MFCD00015942
Synonym 4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one
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.
Safety and Handling

Warning

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.

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