2-Methyl-4-isothiazolin-3-one CAS#2682-20-4

CAS Number: 2682-20-4
Chemical Formula: C4H5NOS
Synonyms:

1-(4-CHLOROPHENYL)-3-(3,4-DICHLOROPHENYL)UREA
2-METHYL-4-ISOTHIAZOLIN-3-ONE
2-METHYL-4-ISOTHIAZOLINE-3-ONE

Appearance: Light Yellow Liquid

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

2-Methyl-4-isothiazolin-3-one CAS#2682-20-4

Methylisothiazolinone (also called 2-methyl-4-isothiazolin-3-one), is a powerful synthetic biocide and preservative within the group of isothiazolinones.
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.

2-Methyl-4-isothiazolin-3-one Chemical 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
pka	-2.03±0.20(Predicted)
form	Solid
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

Hazard Codes	N,C,T
Risk Statements	50/53-50-43-34-20/21/22-37-23-22
Safety Statements	60-61-36/37/39-26-24-45
RIDADR	UN 3077 9/PG 3
WGK Germany	2
RTECS	FE1250000
TSCA	TSCA listed
HazardClass	8
PackingGroup	III
HS Code	29349990
Storage Class	6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
Hazard Classifications	Acute Tox. 2 Inhalation Acute Tox. 3 Dermal Acute Tox. 3 Oral Aquatic Acute 1 Aquatic Chronic 1 Eye Dam. 1 Skin Corr. 1B Skin Sens. 1A
Hazardous Substances Data	2682-20-4(Hazardous Substances Data)

Product Application Of 2-Methyl-4-isothiazolin-3-one CAS#2682-20-4

2-Methyl-4-isothiazolin-3-one (methylisothiazolinone) is a isothiazolinone based biocide and preservative used in personal care products. 2-Methyl-4-isothiazolin-3-one is also used for controlling microbial growth in water-c ontaining solution.

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