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140562

Sigma-Aldrich

5-Chloroisatin

97%

Synonym(s):

5-Chloro-1H-indole-2,3-dione

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About This Item

Empirical Formula (Hill Notation):
C8H4ClNO2
CAS Number:
Molecular Weight:
181.58
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

mp

254-258 °C (lit.)

SMILES string

Clc1ccc2NC(=O)C(=O)c2c1

InChI

1S/C8H4ClNO2/c9-4-1-2-6-5(3-4)7(11)8(12)10-6/h1-3H,(H,10,11,12)

InChI key

XHDJYQWGFIBCEP-UHFFFAOYSA-N

General description

5-Chloroisatin reacts with substituted 4-amino-4,5-dihydro-1H-1,2,4-triazole-5-ones to yield Schiff bases.

Application

5-Chloroisatin was used in synthesis of Schiff base by reaction with 2-methyl-4-nitroaniline.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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