Paraquat dichloride
[CAS# 1910-42-5]

Identification

• Classification: Chemical pesticide >> Herbicide >> Other herbicides
• Name: Paraquat dichloride
• Synonyms: N,N'-Dimethyl-4,4'-bipyridinium dichloride; 1,1'-Dimethyl-4,4'-Bipyridinium dichloride; Methyl viologen
• Molecular Formula: C₁₂H₁₄Cl₂N₂;C₁₂H₁₄N₂.₂Cl
• Molecular Weight: 257.16
• CAS Registry Number: 1910-42-5
• EC Number: 217-615-7

Properties

• Density: 1.25
• Melting point: 300 °C
• Water solubility: soluble

Safety Data

• Hazard Symbols: GHS06;GHS08;GHS09 Danger
• Risk Statements: H330-H311-H301-H335-H372-H315-H319-H400-H410
• Safety Statements: S22;S28A;S36/37/39;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	3	H301
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	1	H330
Acute toxicity	Acute Tox.	2	H330
Acute toxicity	Acute Tox.	2	H310
Substances or mixtures corrosive to metals	Met. Corr.	1	H290
Specific target organ toxicity - single exposure	STOT SE	1	H370
Specific target organ toxicity - repeated exposure	STOT RE	2	H373

• Transport Information: UN 2588; UN 2811