Note: Ingredients listed on restricted chemical lists
EC/CAS
2634-33-5
Name of the chemical
1,2-Benzisothiazol-3(2H)-one
Concentration
<=100
General Information
Version
5
Revision date
2025-12-24
Product name
1,2-Benzisothiazol-3-one
Product Synonyms
No information available
CAS No.
2634-33-5
Emergency telephone
001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Thermo Fisher Scientific Chemicals, Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H330
Hazard statements
Code
Statements
H330
Fatal if inhaled
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Danger Hazard Statements Harmful if swallowed Causes skin irritation May cause an allergic skin reaction Causes serious eye damage Fatal if inhaled
Prevention
Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Do not breathe dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area Wear respiratory protection Wear protective gloves/protective clothing/eye protection/face protection Contaminated work clothing should not be allowed out of the workplace Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Immediately call a POISON CENTER or doctor Skin IF ON SKIN: Wash with plenty of soap and water Take off contaminated clothing If skin irritation or rash occurs: Get medical advice/attention Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Immediately call a POISON CENTER or doctor/physician Ingestion IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell Rinse mouth
Storage
Store in a well-ventilated place. Keep container tightly closed Store locked up
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
Very toxic to aquatic life with long lasting effects
2.1 Classification of the substance or mixture
This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Acute oral toxicity Category 4 Acute Inhalation Toxicity - Dusts and Mists Category 2 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization