Skip to content
Molekula

Molekula

N-Methyl-3-oxodihydroisothiazole (W/W 10% aqueous solution)

SKU 74130881 CAS 2682-20-4 C4H5NOS MW 115.15 In stock

N-Methyl-3-oxodihydroisothiazole (W/W 10% aqueous solution) is a heterocyclic compound used as a biocide and preservative in industrial applications. It is a clear, yellowish liquid with a distinct odor. CAS: 2682-20-4, Molecular Formula: C4H5NOS, Molecular Weight: 115.15 g/mol. Stored at ambient temperature. Hazard classification: Danger. Molekula supplies N-Methyl-3-oxodihydroisothiazole (W/W 10% aqueous solution) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Overview

N-Methyl-3-oxodihydroisothiazole (W/W 10% aqueous solution) is a heterocyclic compound used as a biocide and preservative in industrial applications. It is a clear, yellowish liquid with a distinct odor. CAS: 2682-20-4, Molecular Formula: C4H5NOS, Molecular Weight: 115.15 g/mol. Stored at ambient temperature. Hazard classification: Danger. Molekula supplies N-Methyl-3-oxodihydroisothiazole (W/W 10% aqueous solution) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Pricing & pack sizes

Pack sizes & pricing

  • 25 g $58.70 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

Property Value
Appearance Clear to Light yellow liquid
Identification Conforms to reference
pH 3.0 - 7.0
Specific Gravity 1.01 - 1.04
Active Ingredients ≥10%

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 8 (6.1)
Packing Group II
Shelf Life 60 months
Acidity Acid

Identification

Property Value
SKU 74130881
CAS Number 2682-20-4
Molecular Formula C4H5NOS
Molecular Weight 115.15
SMILES O=C1C=CSN1C
EC / UN Number 2922
REACH Code Y110
TSCA Listed Yes
HTS Code 29341020
Tariff Code 2934100090

Safety & GHS

Danger
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Toxic Toxic GHS06
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • EUH071 Corrosive to the respiratory tract
  • H301 + H311 Toxic if swallowed or in contact with skin
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage
  • H317 May cause an allergic skin reaction
  • H330 Fatal if inhaled
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P284 Wear respiratory protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is N-Methyl-3-oxodihydroisothiazole used for?

It is primarily used as a biocide in industrial water systems, coatings, and adhesives to prevent microbial growth.

What is the chemical formula and molecular weight?

The formula is C4H5NOS with a molecular weight of 115.15 g/mol.

How should this product be stored?

Store at ambient temperature, away from direct sunlight and incompatible materials.

What grade is available?

Available as a W/W 10% aqueous solution; no other grades are currently offered.

Can Molekula supply this in bulk?

Yes, bulk quantities are available upon request; please contact our sales team for pricing and lead times.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us what you need and our sales team will come back with pricing and lead times.
Full name
Company
Email
Phone (optional)
Product
Message
Buy now
Leave your details and we'll be in touch shortly.
Full name
Company
Email
Phone (optional)
How many packs?
Message