2-Methylbenzothiazole

Modify Date: 2026-07-01 18:22:10

2-Methylbenzothiazole structure	Common Name	2-Methylbenzothiazole
	CAS Number	120-75-2	Molecular Weight	149.213
	Density	1.2±0.1 g/cm3	Boiling Point	238.0±9.0 °C at 760 mmHg
	Molecular Formula	C₈H₇NS	Melting Point	11-14 °C(lit.)
	MSDS	Chinese USA	Flash Point	102.2±0.0 °C

Summary: 2-Methylbenzothiazole (Chinese name: 2-甲基苯并噻唑, CAS number: 120-75-2), molecular formula: C8H7NS, molecular weight: 149.213. Used for detecting bismuth and antimony in chemical analysis. Toxic, precautions are needed during use. For research-use only, not for medical or clinical usage.

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name	2-Methylbenzothiazole
Synonym	More Synonyms

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density	1.2±0.1 g/cm3
Boiling Point	238.0±9.0 °C at 760 mmHg
Melting Point	11-14 °C(lit.)
Molecular Formula	C₈H₇NS
Molecular Weight	149.213
Flash Point	102.2±0.0 °C
Exact Mass	149.029922
PSA	41.13000
LogP	2.41
Vapour Pressure	0.1±0.5 mmHg at 25°C
Index of Refraction	1.663
InChIKey	DXYYSGDWQCSKKO-UHFFFAOYSA-N
SMILES	Cc1nc2ccccc2s1

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

2-Methylbenzothiazole MSDS(Chinese)

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DL5600000

CHEMICAL NAME :: Benzothiazole, 2-methyl-

CAS REGISTRY NUMBER :: 120-75-2

BEILSTEIN REFERENCE NO. :: 0112427

LAST UPDATED :: 199710

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C8-H7-N-S

MOLECULAR WEIGHT :: 149.22

WISWESSER LINE NOTATION :: T56 BN DSJ C1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 300 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 105 mg/kg

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

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 105,486,1952

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment	Eyeshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)
Hazard Codes	Xn: Harmful;
Risk Phrases	R36/37/38
Safety Phrases	S23-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	DL5600000
HS Code	2934200090

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor 10
CAS#:19591-17-4 Acetamide,N-(2-... CAS#:1444-47-9 N-(2-mercaptoph... CAS#:137-07-5 2-Aminothiophenol CAS#:155164-63-9 2-acetyl-4,5-di...
CAS#:615-43-0 2-Iodoaniline CAS#:109-89-7 Diethylamine CAS#:62635-46-5 N-(2-Bromopheny... CAS#:75-07-0 ch3cho
CAS#:64-19-7 acetic acid CAS#:28788-72-9 4-((2-mercaptop...
DownStream 10
CAS#:56278-50-3 Benzothiazol-2-... CAS#:37859-43-1 2-(Chloromethyl... CAS#:6278-69-9 Benzothiazole,2... CAS#:4146-24-1 2-Chloro-4-meth...
CAS#:63837-11-6 5-Bromo-2-methy... CAS#:5304-21-2 6-Bromo-2-methy... CAS#:112146-10-8 4-Bromo-2-methy... CAS#:14933-76-7 3-ethyl-2-methy...
CAS#:42474-60-2 2-METHYLBENZO[D... CAS#:213682-45-2 2-Benzothiazole...

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

This table lists relevant public references with title, journal and publication metadata for this compound.

Benzothiazole, benzotriazole, and their derivates in clothing textiles--a potential source of environmental pollutants and human exposure.

Environ. Sci. Pollut. Res. Int. 22(8) , 5842-9, (2015)

Textiles play an important role in our daily life, and textile production is one of the oldest industries. In the manufacturing chain from natural and/or synthetic fibers to the final clothing product...

Efficient Cu-catalyzed base-free C-S coupling under conventional and microwave heating. A simple access to S-heterocycles and sulfides.

Beilstein J. Org. Chem. 9 , 467-75, (2013)

S-aryl thioacetates can be prepared by reaction of inexpensive potassium thioacetate with both electron-rich and electron-poor aryl iodides under a base-free copper/ligand catalytic system. CuI as cop...

Simultaneous determination of benzothiazoles, benzotriazoles and benzosulfonamides by solid phase microextraction-gas chromatography-triple quadrupole mass spectrometry in environmental aqueous matrices and human urine

J. Chromatogr. A. 1338 , 164-73, (2014)

• Benzothiazoles, benzotriazoles and benzosulfonamides determination in aqueous matrices. • New environmental-friendly and high-throughput protocol developed by SPME-GC-QqQMS. • Sample preparation str...

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Cytochrome P450 Family 1 Subfamily A Member 2 (CYP1A2) small molecule antagonists: lu...
Source: 824
External Id: CYP273

Name: p53 small molecule agonists, cell-based qHTS assay: qHTS cell viability counter scree...
Source: 824
Target: N/A
External Id: P53600

Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: qHTS ce...
Source: 824
Target: N/A
External Id: P53MS958

Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: Summary
Source: 824
External Id: P53MS482

Name: p53 small molecule agonists, cell-based qHTS assay
Source: 824
External Id: P53344

Name: p53 small molecule agonists, cell-based qHTS assay with human liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS233

Name: p53 small molecule agonists, cell-based qHTS assay with human liver microsomes: qHTS ...
Source: 824
Target: N/A
External Id: P53MS837

Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS898

Name: Adrenergic beta2 receptor (ADRB2) small molecule agonists, cell-based qHTS assay
Source: 824
External Id: ADRB2293

Name: Adrenergic beta2 receptor (ADRB2) small molecule antagonists, cell-based qHTS assay
Source: 824
External Id: ADRB2713

Total 193, Current Page 1 of 20

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

3-Methyl-benzothiazole

2-Methylbenzothiazo

2-Methyl benzothiazole

2-Methyl-1,3-benzothiazole

usafek-1853

Benzothiazole,2-methyl

MFCD00005794

2-methyl-1,3 benzothiazole

METHYLBENZOTHIAZOLE

2-methylbenzothiazol

2-Methylbenzothiazole

EINECS 204-423-3

2-methylbenzthiazole

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the safety information for 2-Methylbenzothiazole?

A: Safety information for 2-Methylbenzothiazole: S23-S24/25.

Q: What is the English name of 2-Methylbenzothiazole?

A: The English name of 2-Methylbenzothiazole is 2-Methylbenzothiazole.

Q: What is the molecular weight of 2-Methylbenzothiazole?

A: Molecular weight of 2-Methylbenzothiazole is 149.213.

Q: What is the melting point of 2-Methylbenzothiazole?

A: Melting point of 2-Methylbenzothiazole is 11-14 °C(lit.).

Q: What is the polar surface area (PSA) of 2-Methylbenzothiazole?

A: Polar surface area (PSA) of 2-Methylbenzothiazole is 41.13000.

Q: What is the molecular formula of 2-Methylbenzothiazole?

A: Molecular formula of 2-Methylbenzothiazole is C8H7NS.

Q: What is the CAS number of 2-Methylbenzothiazole?

A: CAS number of 2-Methylbenzothiazole is 120-75-2.

Q: What English synonyms does 2-Methylbenzothiazole have?

A: English synonyms of 2-Methylbenzothiazole: 3-Methyl-benzothiazole, 2-Methylbenzothiazo, 2-Methyl benzothiazole, 2-Methyl-1,3-benzothiazole, usafek-1853, Benzothiazole,2-methyl, MFCD00005794, 2-methyl-1,3 benzothiazole, METHYLBENZOTHIAZOLE, 2-methylbenzothiazol, 2-Methylbenzothiazole, EINECS 204-423-3, 2-methylbenzthiazole.

Q: What is the boiling point of 2-Methylbenzothiazole?

A: Boiling point of 2-Methylbenzothiazole is 238.0±9.0 °C at 760 mmHg.

Q: What is the SMILES notation of 2-Methylbenzothiazole?

A: SMILES notation of 2-Methylbenzothiazole is Cc1nc2ccccc2s1.

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd

Dayang Chem (Hangzhou) Co., Ltd.

Henan Tianfu Chemical Co., Ltd.

Zhongshan Xingrui Chemical Co. , Ltd.

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

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

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Methylbenzothiazole
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: TIANFUCHEM--120-75-2--2-Methylbenzothiazolein stock
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-Methylbenzothiazole
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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2-Methylbenzothiazole

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The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.