1,3-Dichloro-5,5-dimethylhydantoin
[CAS# 118-52-5]

Identification

• Classification: Chemical pesticide >> Fungicide >> Other fungicides
• Name: 1,3-Dichloro-5,5-dimethylhydantoin
• Molecular Formula: C₅H₆Cl₂N₂O₂
• Molecular Weight: 197.02
• CAS Registry Number: 118-52-5
• EC Number: 204-258-7

Properties

• Melting point: 131-136 ºC
• Sublimation: 100 ºC
• Flash point: 171 ºC
• Water solubility: 0.21 g/100 mL (25 ºC)

Safety Data

• Hazard Symbols: O;C
• Risk Codes: R8;R22;R34
• Safety Description: S17;S26;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin corrosion	Skin Corr.	1B	H314
Oxidising solids	Ox. Sol.	2	H272
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Respiratory sensitization	Resp. Sens.	1	H334
Skin sensitization	Skin Sens.	1	H317
Skin corrosion	Skin Corr.	1C	H314
Oxidising solids	Ox. Sol.	3	H272
Skin corrosion	Skin Corr.	1	H314
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Serious eye damage	Eye Dam.	1	H318
Oxidising liquids	Ox. Liq.	2	H272
Respiratory sensitization	Resp. Sens.	1A	H334

• Transport Information: UN 1479