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CAS No 2682-20-4 , 2-methyl-1,2-thiazol-3-one

  • Name: 2-methyl-1,2-thiazol-3-one
  • Synonyms: 2682-20-4; 3(2H)-Isothiazolone; 2-Methyl-3(2H)-isothiazolone;2-methyl-1,2-thiazol-3-one; 2-Methyl-4-isothiazoline-3-one;Methylisothiazolinone; 2-methyl-;
  • CAS Registry Number:
  • Transport: UN 3077 9/PG 3
  • Melting Point: 254-256 °C(lit.)
  • Flash Point: 64.3 ºC
  • Boiling Point: 182.8 ºC at 760 mmHg
  • Density: 1.25 (14% AQ.)
  • Water Solubility: soluble
  • Safety Statements: R20/21/22;R34;R43;R50
  • Hazard Symbols: C: Corrosive;
  • Flash Point: 64.3 ºC
  • EINECS: 220-239-6
  • Molecular Weight: 115.1536
  • InchiKey: BEGLCMHJXHIJLR-UHFFFAOYSA-N
  • InChI: InChI=1S/C4H5NOS/c1-5-4(6)2-3-7-5/h2-3H,1H3
  • Risk Statements: S24;S26;S36/37/39;S60;S61
  • Molecular Formula: C4H5NOS
  • Molecular Structure:CAS No:2682-20-4 2-methyl-1,2-thiazol-3-one
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2682-20-4 2-Methyl-4-Isothiazoline-3-one

  • China Shanghai Kima Chemical Co., Ltd [Manufacturers]
  • Tel: 52661975
  • Fax: +86-21-52661949
  • Address: Rm 2219, 22F, Zhongyi Mansion, No. 2, Lane 1040, Caoyang Road, Shanghai, China shanghai,anhuiChina
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2682-20-4 2-Methyl-4-Isothiazoline-3-one

  • China Tianjin Maidisen Chemical Co., Ltd [Manufacturers]
  • Tel: 0086-22-83711859, 83711869
  • Fax: 0086-22-83711879 83998962
  • Address: 6th floor, Building C, the National Science Park of Nankai University, Kaihua Road, Huayuan Hi-tech Industry Park, Tianjin, P.R.China Tianjin,TianjinChina
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2682-20-4 2-Methyl-4-Isothiazoline-3-one

  • United States SensaChem, Inc. [Manufacturers]
  • Tel: 724-325-2329
  • Fax: (724) 325-8091
  • Address: 1339 Cavitt Road Monroeville, PA 15146 USA Monroeville,MonroevilleUnited States
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2682-20-4 2-Methyl-4-Isothiazoline-3-one

  • China SHIJIAZHUANG UNISON CO., LTD. [Importer/Exporter]
  • Tel: +86 311 87715100, 87715101, 87715102
  • Fax: +86 311 87715103
  • Address: 1201-1206, Xincheng Building, No. 351, Youyi North Street, Shijiazhuang China shijiazhuang,HebeiChina
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2682-20-4 2-Methyl-4-Isothiazoline-3-one

  • Slovakia MDP ChemControl Ltd. [Importer/Exporter]
  • Tel: +421 2 62412268
  • Fax: +421 2 62520174
  • Address: Wolkrova 35 P.O.Box 113 851 01 Bratislava 5 Slovak Republic Bratislava,BratislavaSlovakia
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2682-20-4 2-Methyl-4-Isothiazolin-3-Ketone

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2682-20-4 2-methyl-4-isothiazoline-3-ketone

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2682-20-4 2-Methyl-4-Isothiazoline-3-one

  • China Axitec Co., Ltd [Manufacturers]
  • Tel: +86-755-26491376
  • Fax: +86-755-26491664
  • Address: 1415 HuiXiu Building,HuiBing Square,DongBing Road, NanShan District ShenZhen P.R.China 518068 shenzhen,guangdongChina
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2682-20-4 2-Methyl-4-Isothiazoline-3-one

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2682-20-4 2-Methyl-4-Isothiazolin-3-One

  • China Beijing Landmass Technology Co., Ltd. null
  • Tel: +86-(10)-8201-3142
  • Fax: +86-(10)-8201-3041
  • Address: 1B-Building5, CitichampNorthPalace, Haidian District, Beijing 100088, null,nullChina
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References of 2-methyl-1,2-thiazol-3-one
Title: Methylisothiazolinone
CAS Registry Number: 2682-20-4
CAS Name: 2-Methyl-3(2H)-isothiazolone
Synonyms: MI; MIT
Trademarks: Neolone 950 (Rohm & Haas)
Molecular Formula: C4H5NOS
Molecular Weight: 115.15
Percent Composition: C 41.72%, H 4.38%, N 12.16%, O 13.89%, S 27.85%
Literature References: Marketed in combination with methylchloroisothiazolinone as a broad spectrum biocide. Prepn: W. D. Crow, N. J. Leonard, Tetrahedron Lett. 5, 1477 (1964); eidem, J. Org. Chem. 30, 2660 (1965); S. N. Lewis et al., J. Heterocycl. Chem. 8, 571 (1971). HPLC determn in cosmetic products: R. Matissek, Chromatographia 28, 34 (1989). In vitro neurotoxicity study: S. Du et al., J. Neurosci. 22, 7408 (2002). Safety assessment: J. Am. Coll. Toxicol. 11, 75-128 (1992). Review of epidemiology of allergic reactions: A. C. de Groot, J. W. Weyland, J. Am. Acad. Dermatol. 18, 350-358 (1988) J. Fewings, T. Menné, Contact Dermatitis 41, 1-13 (1999).
Properties: Colorless prisms, mp 50-51°. bp0.03 93°. uv max (diethyl ether): 281 nm (e 6550). uv max (95% ethanol): 275 nm (e 7250).
Melting point: mp 50-51°
Boiling point: bp0.03 93°
Absorption maximum: uv max (diethyl ether): 281 nm (e 6550); uv max (95% ethanol): 275 nm (e 7250)
 
Derivative Type: Methylchloroisothiazolinone
CAS Registry Number: 26172-55-4
CAS Name: 5-Chloro-2-methyl-3(2H)-isothiazolone
Synonyms: MCI
Molecular Formula: C4H4ClNOS
Molecular Weight: 149.60
Percent Composition: C 32.11%, H 2.70%, Cl 23.70%, N 9.36%, O 10.69%, S 21.43%
Properties: Crystals from ligroin (60-90°), mp 54-55°. uv max (methanol): 277 nm (log e 3.82).
Melting point: mp 54-55°
Absorption maximum: uv max (methanol): 277 nm (log e 3.82)
 
Derivative Type: Mixture with methylchloroisothiazolinone
CAS Registry Number: 55965-84-9
Trademarks: Kathon CG (Rohm & Haas)
Properties: Commercial product is supplied as a clear, light amber liquid, fp -18° to -21.5°. d20 1.19. Viscosity (23°): 5.0 ±0.2 cP. Readily misc in water, lower alcohols, glycols, other hydrophilic organic solvents. Insol in petrolatum. LD50 (mg/kg) orally in rabbits: 30; i.p. in male, female rats: 4.6, 4.3. LC50 (6 day) in trout, sunfish (mg/l): 0.14, 0.54. LC50 (8 day dietary) in Bobwhite quail, Peking duck (mg/kg/day): >60, >100 (J. Am. Coll. Toxicol.).
Density: d20 1.19
Toxicity data: LD50 (mg/kg) orally in rabbits: 30; i.p. in male, female rats: 4.6, 4.3; LC50 (6 day) in trout, sunfish (mg/l): 0.14, 0.54; LC50 (8 day dietary) in Bobwhite quail, Peking duck (mg/kg/day): >60, >100 (J. Am. Coll. Toxicol.)
 
Use: Antimicrobial preservative in cosmetics, hygeine products, paints, emulsions, cutting oils, paper coatings, and water storage and cooling units.