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Sigma-Aldrich

6-Chloro-2,4-dinitroaniline

97%

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About This Item

Linear Formula:
ClC6H2(NO2)2NH2
CAS Number:
3531-19-9
Molecular Weight:
217.57
EC Number:
222-564-9
MDL number:
MFCD00007147
UNSPSC Code:
12352100
PubChem Substance ID:
24853495
NACRES:
NA.22

assay

97%

form

powder

mp

157-159 °C (lit.)

functional group

chloro

SMILES string

Nc1c(Cl)cc(cc1[N+]([O-])=O)[N+]([O-])=O

InChI

1S/C6H4ClN3O4/c7-4-1-3(9(11)12)2-5(6(4)8)10(13)14/h1-2H,8H2

InChI key

LHRIICYSGQGXSX-UHFFFAOYSA-N

General description

6-chloro-2,4-dinitroaniline exists in three polymorphic forms which can be separated on the basis of their mechanical properties.

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_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Molecular crystals: pinching polymorphs.
Joel Bernstein
Nature materials, 4(6), 427-428 (2005-06-02)
C Malla Reddy et al.
Chemical communications (Cambridge, England), (19)(19), 2439-2441 (2005-05-12)
Mechanical shearing of crystals of a polymorph with a layered structure may be used to separate them from harder crystals of a visually indistinguishable polymorph that resist such shearing.

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