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5-Nitro-1,3,2-benzodioxathiole 2,2-dioxide is a complex organic chemical compound with the molecular formula C7H3NO5S. It is characterized by a benzene ring with a dioxathiole ring fused to it, which contains oxygen and sulfur atoms. The molecule also features a nitro group at the 5-position and a dioxide group at the 2-position. 5-nitro-1,3,2-benzodioxathiole 2,2-dioxide is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals due to its unique structure and reactivity. It is important to note that handling and disposal of such chemicals should be done with caution, adhering to safety protocols, as they can be hazardous.

20110-52-5

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20110-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20110-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,1 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20110-52:
(7*2)+(6*0)+(5*1)+(4*1)+(3*0)+(2*5)+(1*2)=35
35 % 10 = 5
So 20110-52-5 is a valid CAS Registry Number.

20110-52-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-nitro-1,3,2λ<sup>6</sup>-benzodioxathiole 2,2-dioxide

1.2 Other means of identification

Product number -
Other names 5-nitro-1,3,2

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:20110-52-5 SDS

20110-52-5Upstream product

20110-52-5Downstream Products

20110-52-5Relevant academic research and scientific papers

The formation of aryloxenium ion in the reaction of N-nitro-O-(4- nitrophenyl)hydroxylamine with strong acids

Klenov, M. S.,Churakov, A. M.,Solkan, V. N.,Strelenko, Yu. A.,Tartakovsky, V. A.

, p. 2263 - 2274,12 (2020/08/31)

The reaction of N-nitro-O-(4-nitrophenyl)hydroxylamine (1) with conc. H2SO4 affords 4-nitropyrocatechol and that with conc. sulfonic acids (RSO3H where R = Me, CF3) affords 2-hydroxy-5-nitrophenyl-R-sulfonates in yields of 80-85%. These reactions are assumed to proceed through an intermediate (phenoxy)oxodiazonium ion [NO 2C6H4O-N=N=O]+, which eliminates the N2O molecule to form the aryloxenium ion [NO2C 6H4O]+. The latter reacts with acid anions at the ortho-carbon atom of the phenyl ring. The thermodynamical parameters of the elementary reactions resulting in the formation of the (phenoxy)oxodiazonium ion [NO2C6H4O-N=N=O]+ and aryloxenium ion [NO2C6H4O]+ were calculated in the B3LYP/6-311+G(d) study of the combined molecular system (nitrohydroxylamine 1 + [H3SO4]+). The reaction of nitrohydroxylamine 1 with aqueous solutions of strong acids (～70% H 2SO4, CF3SO3H) affords mainly 4-nitrophenol. It appears that the mechanism of this reaction does not involve the formation of the aryloxenium ion.

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