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524204

2,5-Dichloro-4-nitroaniline

Name: 2,5-Dichloro-4-nitroaniline
Brand: ALDRICH

97%

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About This Item

Linear Formula:

Cl₂C₆H₂(NO₂)NH₂

CAS Number:

6627-34-5

Molecular Weight:

207.01

NACRES:

NA.22

PubChem Substance ID:

24874396

UNSPSC Code:

12352100

EC Number:

229-591-5

MDL number:

MFCD00025157

Assay:

97%

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Properties

assay

97%

mp

154-158 °C (lit.)

functional group

chloro, nitro

SMILES string

Nc1cc(Cl)c(cc1Cl)[N+]([O-])=O

InChI

1S/C6H4Cl2N2O2/c7-3-2-6(10(11)12)4(8)1-5(3)9/h1-2H,9H2

InChI key

JBXZCPXEYAEMJS-UHFFFAOYSA-N

Description

General description

2,5-Dichloro-4-nitroaniline is primary aniline indicator. Its pKa in sulfonate and water are -2.12 and -1.78, respectively.

Application

2,5-Dichloro-4-nitroaniline may be employed as an indicator for the estimation of acidity of strong acids.

pictograms

GHS06,GHS08,GHS09

signalword

Danger

hcodes

H300 + H310 + H330,H373,H411

pcodes

P262 - P264 - P273 - P280 - P302 + P352 + P310 - P304 + P340 + P310

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Chronic 2 - STOT RE 2

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Probing the acidity of carboxylic acids in protic ionic liquids, water, and their binary mixtures: activation energy of proton transfer.

Shashi Kant Shukla et al.

The journal of physical chemistry. B, 117(8), 2456-2465 (2013-02-05)

Acidity functions were used to express the ability of a solvent/solution to donate/accept a proton to a solute. The present work accounts for the acidity determination of HCOOH, CH3COOH, and CH3CH2COOH in the alkylimidazolium-based protic ionic liquids (PILs), incorporated with

Solvent Effects in Organic Chemistry. II. Sulfolane1--A Weakly Basic Aprotic Solvent of High Dielectric Constant2.

Arnett EM and Douty CF.

Journal of the American Chemical Society, 86(3), 409-412 (1964)

A redetermination and extension of the H 0 scale of acidity in aqueous perchloric acid.

Yates K and Wai H.

Journal of the American Chemical Society null

Global Trade Item Number

SKU	GTIN
524204-10G	04061832100494