Synonyms: alpha-Dinitrophenol; 2,4-DNP; DNP
CAS Number: 51-28-5
Formula: C6H4N2O5
Formula Weight: 184.11
Linear Formula: (O2N)2C6H3OH
MDL No.: MFCD00007115
Purity: >=98.0%
Melting Point: 108-112 C (lit.)
Beilstein Registry Number: 1246142
UNSPSC Code: 12352100
Application: 2,4-Dinitrophenol (DNP) can be used: . As a reactant for catalytic reduction reactions.. To activate carboxylic acids by converting them into dinitrophenyl (DNP) esters.. To prepare the corresponding ester via acylation reaction using isobutyric anhydride catalyzed by hafnium triflate.. As an effective cocatalyst to accelerate the activity and enantioselectivity of primary amine organocatalyst derived from natural primary amino acids for direct asymmetric aldol reaction. . As an alternative activator to tetrazoles in the reaction of phosphoroamidites with nucleosides.
RIDADR: UN1320 - class 4.1 - PG 1 - Dinitrophenol, wetted
WGK Germany: 3
R Codes: 23/24/25-33-50
S Codes: 22-28-35-36/37-37-45-57-61
IOD Codes: T,N
Symbol: GHS06, GHS08, GHS09
Signal Word: Danger
Hazard Statements: H301 + H311 + H331-H373-H400
Precautionary statements: Missing Phrase - N15.00950417-P260-P280-P302 + P352 + P312-P304 + P340 + P312-P403 + P233