Baby Safety / Compounds / 2-Octyl-2H-isothiazol-3-one (OIT)

Is 2-Octyl-2H-isothiazol-3-one (OIT) safe for babies and kids?

Very high risk for kids

(Babies-specific data is limited; this page draws from human pregnant context.) Pregnancy alters the metabolism and distribution of 2-Octyl-2H-isothiazol-3-one (OIT), potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

What is 2-octyl-2h-isothiazol-3-one (oit)?

The IUPAC name is 1,2-benzothiazol-3-one.

Also known as: 1,2-benzothiazol-3-one, 1,2-Benzisothiazol-3(2H)-one, 1,2-Benzisothiazolin-3-one, benzisothiazolone.

IUPAC name
1,2-benzothiazol-3-one
CAS number
26530-20-1
Molecular formula
C7H5NOS
Molecular weight
151.19 g/mol
SMILES
O=C1NSC2=C1C=CC=C2
PubChem CID
17520

Risk for babies

Very high risk

Pregnancy alters the metabolism and distribution of 2-Octyl-2H-isothiazol-3-one (OIT), potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

Suspected reproductive toxicant (GHS H361) or suspected endocrine disruptor. Precautionary approach warranted. Animal studies or limited human data suggest developmental toxicity potential.

What to do: Minimize exposure during pregnancy and lactation. Consult healthcare provider regarding specific risks. Consider alternative products with lower hazard profiles.

Risk for pregnant and nursing people

Very high risk

Pregnancy alters the metabolism and distribution of 2-Octyl-2H-isothiazol-3-one (OIT), potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

Suspected reproductive toxicant (GHS H361) or suspected endocrine disruptor. Precautionary approach warranted. Animal studies or limited human data suggest developmental toxicity potential.

What to do: Minimize exposure during pregnancy and lactation. Consult healthcare provider regarding specific risks. Consider alternative products with lower hazard profiles.

Regulatory consensus

2 regulatory and scientific bodies have classified 2-Octyl-2H-isothiazol-3-one (OIT). The classifications differ — that's the data.

AgencyYearClassificationNotes
EPA CTX / GenetoxGenotoxicity: negative (Ames: negative, 1 positive / 5 negative reports)
EPA CTX / GenetoxGenotoxicity: negative (Ames: negative, 1 positive / 5 negative reports)

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where kids encounter 2-octyl-2h-isothiazol-3-one (oit)

  • Industrial FacilitiesManufacturing plants, Waste treatment sites
  • Occupational EnvironmentsFactories, Warehouses

Safer alternatives

Lower-risk approaches that achieve a similar outcome to 2-Octyl-2H-isothiazol-3-one (OIT):

  • Physical/mechanical pest control (IPM)
    Trade-offs: More labor-intensive. May not be sufficient for severe infestations.
    Relative cost: 1.2-2×

Frequently asked questions

What products contain 2-octyl-2h-isothiazol-3-one (oit)?

2-Octyl-2H-isothiazol-3-one (OIT) appears in: Manufacturing plants (Industrial facilities); Waste treatment sites (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).

See 2-Octyl-2H-isothiazol-3-one (OIT) in the baby app

Look up products containing 2-octyl-2h-isothiazol-3-one (oit), compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (3)

  1. PubChem Compound CID 17520 — database
  2. EPA CompTox Chemicals Dashboard — DTXSID5032523 — epa
  3. ATSDR Toxicological Profile — CAS 2634-33-5 — reference

Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →