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Analytical Reagents

3(2H)-Isothiazolone

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Buy 3(2H)-Isothiazolone (CAS 1003-07-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.

Pack sizes
3(2H)-Isothiazolone chemical structure
CAS number1003-07-2
FormulaC3H3NOS
Molar mass101.13 g/mol
InChIKeyMGIYRDNGCNKGJU-UHFFFAOYSA-N
IUPAC name1,2-thiazol-3-one

About 3(2H)-Isothiazolone

3(2H)-Isothiazolone is part of the Zemixal analytical Reagents range. Key data: CAS 1003-07-2, formula C3H3NOS and molar mass 101.13 g/mol.

Where it is used

  • Agrochemical formulations
  • Laboratory analysis

Safe handling

It carries the GHS signal word Warning (H302, H312, H315 and H319), so wear gloves and eye protection and work with good ventilation.

Order it in 100 mg, 250 mg, 1 g and 5 g packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Agrochemical formulations
  • Laboratory analysis

Applications

Agrochemicals and Crop ProtectionResearch Labs and Universities

Specifications and identifiers

Specifications of 3(2H)-Isothiazolone
Product name3(2H)-Isothiazolone
Catalogue numberZX-043964
CAS number1003-07-2
IUPAC name1,2-thiazol-3-one
Molecular formulaC3H3NOS
Molar mass101.13 g/mol
Exact mass100.9935
XLogP3-0.1
H-bond donors / acceptors1 / 2
Topological polar surface area54.4 Ų
InChIKeyMGIYRDNGCNKGJU-UHFFFAOYSA-N
SMILESC1=CSNC1=O
PubChem CID96917
Synonyms3-Isothiazolone, Isothiazolin-3-one, Isothiazol-3(2H)-one, isothiazol-3-ol, Isothiazol-3-one, 1,2-thiazol-3-ol, 3-Hydroxyisothiazole, 4-isothiazolin-3-one, 3-Oxo-2,3-dihydroisothiazole, 1,2-Thiazol-3(2H)-one, isothiazol-3-ol, AldrichCPR, 2,3-dihydro-1,2-thiazol-3-one

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 3(2H)-Isothiazolone
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 3(2H)-Isothiazolone

Which CAS number identifies 3(2H)-Isothiazolone?
3(2H)-Isothiazolone is registered under CAS 1003-07-2. You may also see it listed as 3-Isothiazolone, Isothiazolin-3-one, Isothiazol-3(2H)-one. Our catalogue number for this item is ZX-043964.
What are the formula and molar mass of 3(2H)-Isothiazolone?
For 3(2H)-Isothiazolone, its formula is C3H3NOS and its molar mass is 101.13 g/mol. The systematic (IUPAC) name is 1,2-thiazol-3-one. InChIKey MGIYRDNGCNKGJU-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 3(2H)-Isothiazolone?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with 3(2H)-Isothiazolone?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 3(2H)-Isothiazolone to my country?
Yes. Because 3(2H)-Isothiazolone is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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