2-Methyl-1,2-benzisothiazol-3(2H)-one
[CAS# 2527-66-4]

Identification

• Name: 2-Methyl-1,2-benzisothiazol-3(2H)-one
• Synonyms: 2-Methyl-1,2-benzisothiazolin-3-one; 2-Methyl-1,2-benzoisothiazolin-3-one; MBIT; NSC 520046
• Molecular Formula: C₈H₇NOS
• Molecular Weight: 165.21
• CAS Registry Number: 2527-66-4
• EC Number: 695-989-4

Properties

• Solubility: Very slightly soluble (0.46 g/L) (25 °C), Calc.^*
• Density: 1.315±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 51-52 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Lawson, Alexander J.

Safety Data

• Hazard Symbols: GHS06;GHS05;GHS09 Danger
• Risk Statements: H301-H312-H314-H318-H317-H400-H411

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Serious eye damage	Eye Dam.	1	H318
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	4	H312
Skin sensitization	Skin Sens.	1A	H317
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin corrosion	Skin Corr.	1C	H314
Acute toxicity	Acute Tox.	4	H332
Skin corrosion	Skin Corr.	1B	H314
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	3	H331
Specific target organ toxicity - single exposure	STOT SE	3	H335