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Merck
CN

138940

3,4,5-Trichloropyridazine

98%

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About This Item

Empirical Formula (Hill Notation):
C4HCl3N2
CAS Number:
Molecular Weight:
183.42
EC Number:
238-006-2
Beilstein/REAXYS Number:
127119
MDL number:
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assay

98%

SMILES string

Clc1cnnc(Cl)c1Cl

pictograms

Exclamation mark

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Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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T G Warshaw
Contact dermatitis, 18(5), 257-258 (1988-05-01)
A primary irritant dermatitis to 3,4,5-trichloropyridazine was observed on the hands of a chemist after accidental exposure. Healing was rapid in comparison to a report on 3,4,6-trichloropyridazine toxicity. Prompt treatment with a potent topical corticosteroid, wet soaks, and an oral
J J Freeman et al.
Contact dermatitis, 18(5), 259-262 (1988-05-01)
The potential of 3,4,5-trichloropyridazine to induce contact sensitization was assessed in the guinea pig maximization test of Magnusson and Kligman and also in the closed patch test described by Buehler. The test material was a 1% solution of 3,4,5-trichloropyridazine in

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