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Benzisothiazolinone (BIT)

Hazardous Classification (according to GHS)

HAZARDOUS

CAS Number

2634-33-5

Signal Word

DANGER

Hazard Pictograms

GHS05 - Corrosion - Corrosive chemicals, may cause severe skin and eye damage and may be corrosive to metals. — GHS05 – Corrosion – Corrosive chemicals, may cause severe skin and eye damage and may be corrosive to metals.

GHS07 - Exclamation mark - Low level toxicity. This includes respiratory, skin, and eye irritation, skin sensitisers and chemicals harmful if swallowed, inhaled or in contact with skin. — GHS07 – Exclamation mark – Low level toxicity. This includes respiratory, skin, and eye irritation, skin sensitisers and chemicals harmful if swallowed, inhaled or in contact with skin.

GHS09 - Environment - Hazardous to aquatic life and the environment. — GHS09 – Environment – Hazardous to aquatic life and the environment.

Hazard Statements & Categories

H302 Harmful if swallowed (Class: Acute Toxicity – Oral, Category 4)
H315 Causes skin irritation (Class: Corrosion/irritation – Skin, Category 2)
H317 May cause an allergic skin reaction (Class: Sensitization – Skin, Category 1)
H318 Causes serious eye damage (Class: (Corrosion) Damage/irritation – Eye, Category 1)
H400 Very toxic to aquatic life (Class: Aquatic – Acute, Category 1)

Dangerous Goods for Transport (according to ADG)

Classed as Dangerous Goods for Transport

Other names

1,2-BENZISOTHIAZOL-3(2H)-ONE
1,2BENZISOTHIAZOL3(2H)ONE

What It Does

Preservative

Notes

Not entered

Information Sources

https://chemicalsafety.com/
https://en.wikipedia.org/wiki/Benzisothiazolinone
https://www.ewg.org/skindeep/ingredients/716930-BENZISOTHIAZOLINONE/

Last Updated

October 11, 2025

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