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Merck
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重要文件

524204

Sigma-Aldrich

2,5-二氯-4-硝基苯胺

97%

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About This Item

線性公式:
Cl2C6H2(NO2)NH2
CAS號碼:
分子量::
207.01
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22
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化驗

97%

mp

154-158 °C (lit.)

官能基

chloro
nitro

SMILES 字串

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 密鑰

JBXZCPXEYAEMJS-UHFFFAOYSA-N

一般說明

2,5-Dichloro-4-nitroaniline is primary aniline indicator.[1] Its pKa in sulfonate and water are -2.12 and -1.78, respectively.[2]

應用

2,5-Dichloro-4-nitroaniline may be employed as an indicator for the estimation of acidity of strong acids.[3]

訊號詞

Danger

危險分類

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

儲存類別代碼

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

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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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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