2-Methyl-4-isothiazolin-3-one
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- $10 - $2392.5
- Product name: 2-Methyl-4-isothiazolin-3-one
- CAS: 2682-20-4
- MF: C4H5NOS
- MW: 115.15
- EINECS:220-239-6
- MDL Number:MFCD00013254
- Synonyms:1-(4-CHLOROPHENYL)-3-(3,4-DICHLOROPHENYL)UREA;N-METHYL-3-OXODIHYDRO ISOTHIAZOLE;2-methyl-3(2h)-isothiazolon ;Isothiazolone,2-methyl- ;Skycide 100;2-Methyl-4-isothiazolin-3-one (Discontinued, see M314985);2-Methyl-4-iso;2-Methylisothiazolin-3-one
66 prices
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Brand
- A2B
- aablocks
- AHH
- AK Scientific
- Alichem
- Arctom
- Biosynth
- Cayman Chemical
- ChemScene
- Crysdot
- DC Chemicals
- Frontier Specialty Chemicals
- Matrix Scientific
- Sigma-Aldrich
- Usbiological
Package
- 25mg
- 50mg
- 100mg
- 250mg
- 0.5g
- 500mg
- 1g
- 1mL
- 2g
- 5mL
- 5g
- 5.00g
- 10mL
- 10g
- 25.00g
- 10mM*1mLinDMSO(Solution)
- 25g
- 25mL
- 50g
- 100g
- 0.1kg
- 0.25kg
- 500g
- 10mM*1mLinDMSO(Solid+Solvent)
- 0.5kg
- 1kg
- 2kg
- ManufacturerA2B
- Product numberAI46178
- Product description2-Methylisothiazol-3(2H)-one 98%
- Packaging25g
- Price$35
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI46178
- Product description2-Methylisothiazol-3(2H)-one 98%
- Packaging100g
- Price$85
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI46178
- Product description2-Methylisothiazol-3(2H)-one 98%
- Packaging5g
- Price$15
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI46178
- Product description2-Methylisothiazol-3(2H)-one 98%
- Packaging1g
- Price$10
- Updated2026-05-25
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- ManufacturerA2B
- Product numberAI46178
- Product description2-Methylisothiazol-3(2H)-one 98%
- Packaging500g
- Price$312
- Updated2026-05-25
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- Manufactureraablocks
- Product numberAA00I4ZQ
- Product description2-Methylisothiazol-3(2H)-one 98%
- Packaging500g
- Price$329
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I4ZQ
- Product description2-Methyl-4-isothiazolin-3-one,50%aqueoussolution 98%
- Packaging500g
- Price$334
- Updated2021-12-16
- Buy
- Manufactureraablocks
- Product numberAA00I4ZQ
- Product description2-Methylisothiazol-3(2H)-one 98%
- Packaging100g
- Price$102
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I4ZQ
- Product description2-Methyl-4-isothiazolin-3-one,50%aqueoussolution 98%
- Packaging100g
- Price$85
- Updated2021-12-16
- Buy
- Manufactureraablocks
- Product numberAA00I4ZQ
- Product description2-Methylisothiazol-3(2H)-one 98%
- Packaging25g
- Price$46
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I4ZQ
- Product description2-Methyl-4-isothiazolin-3-one,50%aqueoussolution 98%
- Packaging25g
- Price$50
- Updated2021-12-16
- Buy
- Manufactureraablocks
- Product numberAA00I4ZQ
- Product description2-Methyl-4-isothiazolin-3-one,50%aqueoussolution 98%
- Packaging1g
- Price$10
- Updated2021-12-16
- Buy
- Manufactureraablocks
- Product numberAA00I4ZQ
- Product description2-Methylisothiazol-3(2H)-one 98%
- Packaging1g
- Price$18
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I4ZQ
- Product description2-Methyl-4-isothiazolin-3-one,50%aqueoussolution 98%
- Packaging5g
- Price$20
- Updated2021-12-16
- Buy
- Manufactureraablocks
- Product numberAA00I4ZQ
- Product description2-Methylisothiazol-3(2H)-one 98%
- Packaging5g
- Price$24
- Updated2026-05-29
- Buy
- ManufacturerAHH
- Product numberMT-18108
- Product description2-Methyl-4-isothiazoline-3-one 97%
- Packaging5g
- Price$615
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| A2B | AI46178 | 2-Methylisothiazol-3(2H)-one 98% | 25g | $35 | 2026-05-25 | Buy |
| A2B | AI46178 | 2-Methylisothiazol-3(2H)-one 98% | 100g | $85 | 2026-05-25 | Buy |
| A2B | AI46178 | 2-Methylisothiazol-3(2H)-one 98% | 5g | $15 | 2026-05-25 | Buy |
| A2B | AI46178 | 2-Methylisothiazol-3(2H)-one 98% | 1g | $10 | 2026-05-25 | Buy |
| A2B | AI46178 | 2-Methylisothiazol-3(2H)-one 98% | 500g | $312 | 2026-05-25 | Buy |
| aablocks | AA00I4ZQ | 2-Methylisothiazol-3(2H)-one 98% | 500g | $329 | 2026-05-29 | Buy |
| aablocks | AA00I4ZQ | 2-Methyl-4-isothiazolin-3-one,50%aqueoussolution 98% | 500g | $334 | 2021-12-16 | Buy |
| aablocks | AA00I4ZQ | 2-Methylisothiazol-3(2H)-one 98% | 100g | $102 | 2026-05-29 | Buy |
| aablocks | AA00I4ZQ | 2-Methyl-4-isothiazolin-3-one,50%aqueoussolution 98% | 100g | $85 | 2021-12-16 | Buy |
| aablocks | AA00I4ZQ | 2-Methylisothiazol-3(2H)-one 98% | 25g | $46 | 2026-05-29 | Buy |
| aablocks | AA00I4ZQ | 2-Methyl-4-isothiazolin-3-one,50%aqueoussolution 98% | 25g | $50 | 2021-12-16 | Buy |
| aablocks | AA00I4ZQ | 2-Methyl-4-isothiazolin-3-one,50%aqueoussolution 98% | 1g | $10 | 2021-12-16 | Buy |
| aablocks | AA00I4ZQ | 2-Methylisothiazol-3(2H)-one 98% | 1g | $18 | 2026-05-29 | Buy |
| aablocks | AA00I4ZQ | 2-Methyl-4-isothiazolin-3-one,50%aqueoussolution 98% | 5g | $20 | 2021-12-16 | Buy |
| aablocks | AA00I4ZQ | 2-Methylisothiazol-3(2H)-one 98% | 5g | $24 | 2026-05-29 | Buy |
| AHH | MT-18108 | 2-Methyl-4-isothiazoline-3-one 97% | 5g | $615 | 2021-12-16 | Buy |
Properties
Melting point :254-256 °C(lit.)
Boiling point :bp0.03 93°
Density :1.25 (14% aq.)
vapor pressure :<0.1 mm Hg ( 25 °C)
storage temp. :2-8°C
solubility :Chloroform, Ethyl Acetate
form :Solid
pka :-2.03±0.20(Predicted)
color :Yellow
Water Solubility :489g/L at 20℃
BRN :606203
Cosmetics Ingredients Functions :PRESERVATIVE
Cosmetic Ingredient Review (CIR) :2-Methyl-4-isothiazolin-3-one (2682-20-4)
InChI :1S/C4H5NOS/c1-5-4(6)2-3-7-5/h2-3H,1H3
InChIKey :BEGLCMHJXHIJLR-UHFFFAOYSA-N
SMILES :CN1SC=CC1=O
LogP :-0.486 at 20℃
CAS DataBase Reference :2682-20-4(CAS DataBase Reference)
NIST Chemistry Reference :3(2H)-isothiazolone, 2-methyl-(2682-20-4)
EPA Substance Registry System :2-Methyl-3(2H)-isothiazolone (2682-20-4)
Boiling point :bp0.03 93°
Density :1.25 (14% aq.)
vapor pressure :<0.1 mm Hg ( 25 °C)
storage temp. :2-8°C
solubility :Chloroform, Ethyl Acetate
form :Solid
pka :-2.03±0.20(Predicted)
color :Yellow
Water Solubility :489g/L at 20℃
BRN :606203
Cosmetics Ingredients Functions :PRESERVATIVE
Cosmetic Ingredient Review (CIR) :2-Methyl-4-isothiazolin-3-one (2682-20-4)
InChI :1S/C4H5NOS/c1-5-4(6)2-3-7-5/h2-3H,1H3
InChIKey :BEGLCMHJXHIJLR-UHFFFAOYSA-N
SMILES :CN1SC=CC1=O
LogP :-0.486 at 20℃
CAS DataBase Reference :2682-20-4(CAS DataBase Reference)
NIST Chemistry Reference :3(2H)-isothiazolone, 2-methyl-(2682-20-4)
EPA Substance Registry System :2-Methyl-3(2H)-isothiazolone (2682-20-4)
Safety Information
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Description
methylisothiazolinone is used to control slime-forming bacteria, fungi, and algae in pulp/paper mills, cooling water systems, oil field operations, industrial process waters, and air washer systems. And it is incorporated into adhesives, coatings, fuels, metal working fluids, resin emulsions, paints, and various other specialty industrial products as a preservative. It is also used to control the growth of mold, mildew, and sapstain on wood products. It is generally recommended for use only in rinse-off and leave-on cosmetic products (maximum concentration of 100 ppm) as preservative such as shampoo, conditioner, hair color, body wash, lotion, sunscreen, mascara, shaving cream, baby lotion, baby shampoo, hairspray, makeup remover, liquid soaps, and detergents. Nevertheless, methylisothiazolinone is allergenic. It is reported that methylisothiazolinone in rinse-off products causes allergic contact dermatitis.Related product price
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