Siduron
[CAS# 1982-49-6]

Identification

• Classification: Chemical pesticide >> Herbicide
• Name: Siduron
• Synonyms: 1-(2-Methylcyclohexyl)-3-phenylurea; H 1318; NSC 131951; Tupersan
• Molecular Formula: C₁₄H₂₀N₂O
• Molecular Weight: 232.32
• CAS Registry Number: 1982-49-6
• EC Number: 217-844-2

Properties

• Solubility: Practically insoluble (0.015 g/L) (25 ºC), Calc.^*
• Density: 1.07±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 135.5 ºC^**
• Boiling point: 341.4±15.0 ºC (760 Torr), Calc.^*
• Flash point: 121.5±20.5 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38;R52/53
• Safety Description: S26;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410