2-Octyl-2H-isothiazol-3-one

Modify Date: 2025-08-20 16:54:00

2-Octyl-2H-isothiazol-3-one structure	Common Name	2-Octyl-2H-isothiazol-3-one
	CAS Number	26530-20-1	Molecular Weight	213.340
	Density	1.0±0.1 g/cm3	Boiling Point	304.5±25.0 °C at 760 mmHg
	Molecular Formula	C₁₁H₁₉NOS	Melting Point	23 °C
	MSDS	Chinese USA	Flash Point	137.9±23.2 °C
	Symbol	GHS05, GHS06, GHS09	Signal Word	Danger

Name	octhilinone
Synonym	More Synonyms

Density	1.0±0.1 g/cm3
Boiling Point	304.5±25.0 °C at 760 mmHg
Melting Point	23 °C
Molecular Formula	C₁₁H₁₉NOS
Molecular Weight	213.340
Flash Point	137.9±23.2 °C
Exact Mass	213.118729
PSA	50.24000
LogP	3.77
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.519
Storage condition	Refrigerator
Stability	Stable. Incompatible with strong oxidizing agents.
Water Solubility	<0.1 g/100 mL at 19 ºC

2-Octyl-2H-isothiazol-3-one MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NX8156900

CHEMICAL NAME :: 4-Isothiazolin-3-one, 2-octyl-

CAS REGISTRY NUMBER :: 26530-20-1

LAST UPDATED :: 199710

DATA ITEMS CITED :: 10

MOLECULAR FORMULA :: C11-H19-N-O-S

MOLECULAR WEIGHT :: 213.37

WISWESSER LINE NOTATION :: T5SNVJ B8

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: MosJN# Personal Communication from J.N. Moss, Toxicology Dept., Rohm and Haas Co., Spring House, PA 19477, Aug. 15, 1979 Volume(issue)/page/year: 15AUG1979

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: MosJN# Personal Communication from J.N. Moss, Toxicology Dept., Rohm and Haas Co., Spring House, PA 19477, Aug. 15, 1979 Volume(issue)/page/year: 15AUG1979 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 550 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: MosJN# Personal Communication from J.N. Moss, Toxicology Dept., Rohm and Haas Co., Spring House, PA 19477, Aug. 15, 1979 Volume(issue)/page/year: 15AUG1979

TYPE OF TEST :: LC - Lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2 gm/m3

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JALCAQ Journal of the American Leather Chemists' Association. (American Leather Chemists' Association, Tanners' Council Research Laboratory, Room 10, Campus Station, Cincinnati, OH 45221) V.1- 1906- Volume(issue)/page/year: 74,322,1979

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 690 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: MosJN# Personal Communication from J.N. Moss, Toxicology Dept., Rohm and Haas Co., Spring House, PA 19477, Aug. 15, 1979 Volume(issue)/page/year: 15AUG1979 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1443 No. of Facilities: 237 (estimated) No. of Industries: 4 No. of Occupations: 7 No. of Employees: 2782 (estimated) No. of Female Employees: 23 (estimated)

Symbol	GHS05, GHS06, GHS09
Signal Word	Danger
Hazard Statements	H302-H311 + H331-H314-H317-H410
Precautionary Statements	P261-P273-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Personal Protective Equipment	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	T:Toxic
Risk Phrases	R22;R23/24;R34;R43;R50/53
Safety Phrases	S1/2-S26-S36/37/39-S45-S60-S61
RIDADR	2922
RTECS	NX8156900
Packaging Group	III
Hazard Class	8
HS Code	3808940090

Chlorobenzene

CAS#:108-90-7

~71%

2-Octyl-2H-isot...

CAS#:26530-20-1

Literature: Chemicrea Inc. Patent: EP1113012 A1, 2001 ;

3,3'-Dithiobis(...

CAS#:33312-01-5

~18%

4,5-Dichloro-2-...

CAS#:64359-81-5

2-Octyl-2H-isot...

CAS#:26530-20-1

Literature: Beijing Tianqing Chemicals Co. Ltd. Patent: US2008/227986 A1, 2008 ; Location in patent: Page/Page column 3 ;

Chlorobenzene

CAS#:108-90-7

1,2-Dichlorobenzene

CAS#:95-50-1

~69%

2-Octyl-2H-isot...

CAS#:26530-20-1

Literature: Chemicrea Inc. Patent: EP1113012 A1, 2001 ;

3,3'-Dithiobis(...

CAS#:33312-01-5

2-Octyl-2H-isot...

CAS#:26530-20-1

Literature: Lewis,S.N. et al. Journal of Heterocyclic Chemistry, 1971 , vol. 8, p. 571 - 580

Octylamine

CAS#:111-86-4

2-Octyl-2H-isot...

CAS#:26530-20-1

Literature: Lewis,S.N. et al. Journal of Heterocyclic Chemistry, 1971 , vol. 8, p. 571 - 580

Precursor 4
CAS#:108-90-7 Chlorobenzene CAS#:33312-01-5 3,3'-Dithiobis(... CAS#:95-50-1 1,2-Dichlorobenzene CAS#:111-86-4 Octylamine
DownStream 2
CAS#:64359-81-5 4,5-Dichloro-2-... CAS#:64359-80-4 4-chloro-2-octy...

HS Code	2934100017
Summary	2934100017 2-octylisothiazol-3(2h)-one。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

Contact dermatitis from 2-n-octyl-4-isothiazolin-3-one in a PhD student.

Contact Dermatitis 50(1) , 47-8, (2004)

Allergic contact dermatitis from 2-n-octyl-4-isothiazolin-3-one, a paint mildewcide.

Contact Dermatitis 9(6) , 507-9, (1983)

Severe allergic contact dermatitis from a paint mildewcide, 2-n-octyl-4-isothiazolin-3-one, developed in a worker formulating latex paints within a paint manufacturing company, Guinea pig maximization...

[Allergic contact eczema caused by isothiazolin-3-one derivatives].

Derm. Beruf Umwelt. 32(6) , 208-11, (1984)

Observations concerning contact dermatitis to derivatives of isothiazolin-3-one are reported. A systematic review of the literature of previously published cases is reported. A verified contact dermat...

3(2H)-Isothiazolone,2-octyl

2-Octyl-4-isothiazolin-3-one

octhilinone [ANSI]

2-n-octyl-3-isothiazolone

3(2H)-Isothiazolone, 2-octyl-

Pancil

T5SNVJ B8

Micro-chek skane

2-n-Octyl-4-isothiazolin-3-one

Kathon SP 70

2-Octyl-3(2H)-isothiazolone,Octhilinone

2-Octyl-3-isothiazolone

2-octyl-2H-isothiazol-3-one

2-octyl-1,2-thiazol-3-one

MFCD00072473

2-octylisothiazol-3(2H)-one

EINECS 247-761-7

2-Octyl-1,2-thiazol-3(2H)-one

Octhilinone

2-octylisothiazolin-3-one

Skane 8

2-Octyl-3(2H)-isothiazolone

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Octyl-2H-isothiazol-3-one
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Octyl-2H-isothiazol-3-one
Price: ￥118.0/5g ￥358.0/25g
Purity: 98.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Octyl-4-isothiazolin-3-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: TIANFU-CHEM 2-Octyl-2H-isothiazol-3-one
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 2-Octyl-2H-isothiazol-3-one
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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2-Octyl-2H-isothiazol-3-one

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Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

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