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HomeProduct name list1,2-Benzisothiazol-3(2H)-one

1,2-Benzisothiazol-3(2H)-one

Synonym(s):1-[2-(N,N-Diethylamino)ethyl]-2-(4-ethoxybenzyl)benzimidazole-5-isothiocyanate;Etonitazenyl isothiocyanate

  • CAS NO.:2634-33-5
  • Empirical Formula: C7H5NOS
  • Molecular Weight: 151.19
  • MDL number: MFCD00044001
  • EINECS: 220-120-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-28 16:48:35
1,2-Benzisothiazol-3(2H)-one Structural

What is 1,2-Benzisothiazol-3(2H)-one?

Description

BIT is an irritant and also a skin sensitizer. Occupational allergie contact dermatitis has been reported mainly related to the use of cutting oils and greases in paint manufacturers, pottery mouldmakers, acrylic emulsion manufacturers, plumbers, printers and lithoprinters, paper makers, an analyticallaboratory, a rubber factory, and in employees manufacturing air fresheners.

Chemical properties

Yellow Powder

The Uses of 1,2-Benzisothiazol-3(2H)-one

Antimicrobial agent.

The Uses of 1,2-Benzisothiazol-3(2H)-one

Isothiazolinone BIT is widely used in industry as a preservative in water-based solutions, such as pastes, paints and cutting oils. It exists at different concentrations in the different Proxel AB, GXL, CRL, XL2, XL, HL, TN, and in Mergal K-10.

Definition

ChEBI: Benzo[d]isothiazol-3-one is an organic heterobicyclic compound based on a fused 1,2-thiazole and benzene bicyclic ring skeleton, with the S atom positioned adjacent to one of the positions of ring fusion. It has a role as a disinfectant, a platelet aggregation inhibitor, an environmental contaminant, a xenobiotic, a drug allergen and a sensitiser. It is an organonitrogen heterocyclic compound and an organic heterobicyclic compound.

What are the applications of Application

1,2-benzisothiazol-3(2H)-one (BIT) has been widely used in high concentrations for microbial growth control in many domestic and industrial processes, its potential eco-risk should be assessed.

General Description

1,2-Benzisothiazol-3(2H)-one is a commonly used biocide in industrial and consumer products, which possesses antimicrobial activity against gram positive and gram negative bacteria. It is mainly used in packaging, adhesives, detergents, disinfectants, sunscreen lotions, paints and lubricants.

Flammability and Explosibility

Not classified

Contact allergens

1,2-Benzisothiazol-3(2H)-one, both an irritant and a skin sensitizer, is widely used in industry as a preservative in water-based solutions such as pastes, paints, and cutting oils. Occupational dermatitis has been reported mainly due to cutting fluids and greases, in paint manufacturers, pottery moldmakers, acrylic emulsions manufacturers, plumber,printers and lithoprinters, paper makers, analytical laboratory, rubber factory, and employees manufacturing air fresheners. It is also a preservative in vinyl gloves.

Safety Profile

Moderately toxic by ingestion.When heated to decomposition it emits toxic vapors ofNOx and SOx.

Toxicity evaluation

Isothiazolinones, such as 1,2-benzisothiazol-3(2H)-one (BIT), are widely used as biocides for bacterial growth control in many domestic and industrial processes. Despite their advantages as biocides, they are highly toxic and pose a potential risk to the environment.  BIT could seriously inhibit the growth of Scenedesmus sp. LX1, Chlorella sp. HQ, and Chlamydomonas reinhardtii with half maximal effective concentrations at 72 h (72h-EC50) of 1.70, 0.41, and 1.16 mg/L, respectively. The primary inhibition mechanism was the BIT-induced damage to microalgal photosynthetic systems.

Properties of 1,2-Benzisothiazol-3(2H)-one

Melting point: 154-158 °C(lit.)
Boiling point: 360°C (rough estimate)
Density  1.2170 (rough estimate)
vapor pressure  0Pa at 25℃
refractive index  1.5500 (estimate)
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  Soluble in dichloromethane, dimethyl sulfoxide, methanol.
form  neat
pka 10.19±0.20(Predicted)
form  Solid
color  White to Light yellow to Light orange
Water Solubility  1.288g/L at 20℃
CAS DataBase Reference 2634-33-5
EPA Substance Registry System 1,2-Benzisothiazolin-3-one (2634-33-5)

Safety information for 1,2-Benzisothiazol-3(2H)-one

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
ghs
Environment
GHS09
GHS Hazard Statements H302:Acute toxicity,oral
H315:Skin corrosion/irritation
H317:Sensitisation, Skin
H318:Serious eye damage/eye irritation
H400:Hazardous to the aquatic environment, acute hazard
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 1,2-Benzisothiazol-3(2H)-one

InChIKey DMSMPAJRVJJAGA-UHFFFAOYSA-N

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