4,4'-Dichloro-2-hydroxydiphenyl ether
[CAS 3380-30-1]

Identification

• Name: 4,4'-Dichloro-2-hydroxydiphenyl ether
• Synonyms: Diclosan; Soneclosan; Tinopal HP 100; Tinosan HP 100; p-Chlorophenyl 2-hydroxy-4-chlorophenyl ether
• Molecular Formula: C₁₂H₈Cl₂O₂
• Molecular Weight: 255.10
• CAS Registry Number: 3380-30-1
• EC Number: 429-290-0

Properties

• Solubility: Insoluble (4.6E^-3 g/L) (25 °C), Calc.^*
• Density: 1.398±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 195-200 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Hua, Yuxia

Safety Data

• Hazard Symbols: GHS05;GHS09 Danger
• Risk Statements: H318-H400-H410

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Serious eye damage	Eye Dam.	1	H318
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400