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112143

Sigma-Aldrich

2-Methylbenzothiazole

99%

Synonym(s):

2-Methyl-1,3-benzothiazole, 2-Methylbenzo[d]thiazole

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About This Item

Empirical Formula (Hill Notation):
C8H7NS
CAS Number:
120-75-2
Molecular Weight:
149.21
Beilstein:
112427
EC Number:
204-423-3
MDL number:
MFCD00005794
UNSPSC Code:
12352100
PubChem Substance ID:
24847071
NACRES:
NA.22

Assay

99%

refractive index

n20/D 1.617 (lit.)

bp

238 °C (lit.)

mp

11-14 °C (lit.)

density

1.173 g/mL at 25 °C (lit.)

SMILES string

Cc1nc2ccccc2s1

InChI

1S/C8H7NS/c1-6-9-7-4-2-3-5-8(7)10-6/h2-5H,1H3

InChI key

DXYYSGDWQCSKKO-UHFFFAOYSA-N

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General description

2-Methylbenzothiazole can be synthesized by the Cu-catalyzed, base-free C-S coupling using conventional and microwave heating methods.

Application

Reagent employed in the synthesis of polycarbocyanine and thiacyanine dyes, as well as (arylfuryl)benzothiazoles.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

215.6 °F - closed cup

Flash Point(C)

102 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

112143-1KG:
112143-BULK:
112143-VAR:
112143-100G:
112143-25G:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Zh. Org. Khim., 28, 2159-2159 (1992)
Monatshefte fur Chemie / Chemical Monthly, 125, 209-209 (1994)
Chem. Abstr., 120, 194030z-194030z (1994)
Youji Huaxue, 14, 59-59 (1994)
Silvia M Soria-Castro et al.
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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 copper source affords S-aryl thioacetates in good to excellent yields, by using 1,10-phenanthroline as
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