524204
2,5-Dichloro-4-nitroaniline
97%
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About This Item
Linear Formula:
Cl2C6H2(NO2)NH2
CAS Number:
Molecular Weight:
207.01
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
229-591-5
MDL number:
Product Name
2,5-Dichloro-4-nitroaniline, 97%
InChI key
JBXZCPXEYAEMJS-UHFFFAOYSA-N
InChI
1S/C6H4Cl2N2O2/c7-3-2-6(10(11)12)4(8)1-5(3)9/h1-2H,9H2
SMILES string
Nc1cc(Cl)c(cc1Cl)[N+]([O-])=O
assay
97%
mp
154-158 °C (lit.)
functional group
chloro
nitro
Application
2,5-Dichloro-4-nitroaniline may be employed as an indicator for the estimation of acidity of strong acids.
General description
2,5-Dichloro-4-nitroaniline is primary aniline indicator. Its pKa in sulfonate and water are -2.12 and -1.78, respectively.
signalword
Danger
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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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
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