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2,4-Dinitrobenzaldehyde

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Origin: China

Cas No: 528-75-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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CAS No.: 528-75-6 Formula: C7H4N2O5 Molecular Weight: 196.11700

Description

2,4-Dinitrobenzaldehyde is a reagent used in the preparation of Schiff bases.

Basic Info

Chemical Name	2,4-Dinitrobenzaldehyde
Synonyms	2,4-Dinitro-benzaldehyd; o-dinitrobenzaldehyde; 2,4-dinitro-benzaldehyde; EINECS 208-440-7; 2,4-nitrobenzaldehyde; Benzaldehyde,2,4-dinitro; 2,4-DIBROMO-3,5-DICHLOROPHENYL ISOTHIOCYANATE; Benzaldehyde, 2,4-dinitro-;
CAS No.	528-75-6
Molecular Formula	C7H4N2O5
Molecular Weight	196.11700
PSA	108.71000
LogP	2.36190

Properties

Appearance & Physical State	YELLOW TO ORANGE TO BROWN TO PUPRLE OR GREEN POWDER, CRYSTALS OR CRYSTALLINE POWDER.
Density	1.571 g/cm3
Boiling Point	190ºC (10 mmHg)
Melting Point	66-70ºC
Flash Point	202.5ºC
Refractive Index	1.66
Stability	Stable under normal temperatures and pressures.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4ºC).

Safety Info

RTECS	CU5957000
Safety Statements	S26-S37/39
HS Code	2913000090
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

4-[(2,4-dinitrophenyl)methylideneamino]-N,N-dimethylaniline→2,4-Dinitrobenzaldehyde+N,N-dimethyl-1,4-phenylenediamine
2,2',4,4'-tetranitrostilbene→1,3-dinitrobenzene+formic acid
2,4-dinitrotoluene→2,4-Dinitrobenzaldehyde+(2,4-Dinitrophenyl)methanol

Precursor

4-nitrosodimethylaniline
N-(2,4-dinitro-benzyl)-aniline
2,4-dinitrotoluene
5-(2,4-dinitro-benzylidene)-pyrimidine-2,4,6-trione

Downstream Product

2-amino-4-nitrobenzaldehyde
7-Aminoquinolin-2(1H)-one
2-Quinolinecarboxaldehyde
1-(4-chlorophenyl)-N-(4-methoxyphenyl)methanimine

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