1,2-(Methylenedioxy)-4-nitrobenzene

CAS No.：2620-44-2

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
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1,2-(Methylenedioxy)-4-nitrobenzene Basic information

Product Name:	1,2-(Methylenedioxy)-4-nitrobenzene
Synonyms:	5-NITRO-1,3-BENZODIOXOLE;1,2-(METHYLENEDIOXY)-4-NITROBENZENE;3,4-METHYLENEDIOXYNITROBENZENE;3,4-(Methylenedioxy)-1-nitrobenzene;5-nitro-3-benzodioxole;5-Nitrobenzodioxole;Benzene, 1,2-(methylenedioxy)-4-nitro-;Methylenedioxynitrobenzene
CAS:	2620-44-2
MF:	C7H5NO4
MW:	167.12
EINECS:	220-055-6
Product Categories:	Nitro Compounds;Nitrogen Compounds;Anilines, Aromatic Amines and Nitro Compounds;Aromatic Hydrocarbons (substituted) & Derivatives;Organic Building Blocks
Mol File:	2620-44-2.mol

1,2-(Methylenedioxy)-4-nitrobenzene Chemical Properties

Melting point	146-148 °C (lit.)
Boiling point	295.67°C (rough estimate)
density	1.5216 (rough estimate)
refractive index	1.6280 (estimate)
Fp	289 °F
solubility	acetone: soluble2.5%, clear to slightly hazy, yellow
form	powder to crystal
color	Light yellow to Yellow to Orange
BRN	169063
CAS DataBase Reference	2620-44-2(CAS DataBase Reference)
NIST Chemistry Reference	1,3-Benzodioxole, 5-nitro-(2620-44-2)
EPA Substance Registry System	1,3-Benzodioxole, 5-nitro- (2620-44-2)

Safety Information

Hazard Codes	Xn,Xi
Risk Statements	20/21/22
Safety Statements	36
WGK Germany	3
Hazard Note	Irritant
TSCA	Yes
HS Code	29329990

MSDS Information

Provider	Language
1,2-(Methylenedioxy)-4-nitrobenzene	English
SigmaAldrich	English
ACROS	English
ALFA	English

1,2-(Methylenedioxy)-4-nitrobenzene Usage And Synthesis

Chemical Properties	yellow fine crystalline powder
Synthesis Reference(s)	Journal of Heterocyclic Chemistry, 28, p. 625, 1991 DOI: 10.1002/jhet.5570280316Tetrahedron, 64, p. 4999, 2008 DOI: 10.1016/j.tet.2008.03.085
General Description	1,2-(Methylenedioxy)-4-nitrobenzene undergoes continuous hydrogenation in supercritical CO₂ with poly siloxane-supported noble metal catalyst in small flow reactor.

1,2-(Methylenedioxy)-4-nitrobenzene Preparation Products And Raw materials

Raw materials	Diethyl ether-->Nitric acid-->1,3-Benzodioxole-->6-NITROPIPERONAL-->Piperonyl aldehyde-->Acetic acid
Preparation Products	4-NITROCATECHOL

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