MilliporeSigma
All Photos(1)

101338

Sigma-Aldrich

Benzothiazole

96%

Synonym(s):
1,3-Benzothiazole, Benzosulfonazole
Empirical Formula (Hill Notation):
C7H5NS
CAS Number:
Molecular Weight:
135.19
Beilstein:
109468
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor density

4.66 (vs air)

Quality Level

vapor pressure

34 mmHg ( 131 °C)

Assay

96%

refractive index

n20/D 1.642 (lit.)

bp

231 °C (lit.)

mp

2 °C (lit.)

density

1.238 g/mL at 25 °C (lit.)

SMILES string

c1ccc2scnc2c1

InChI

1S/C7H5NS/c1-2-4-7-6(3-1)8-5-9-7/h1-5H

InChI key

IOJUPLGTWVMSFF-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

1 of 4

This Item
W325600194123B10900
Benzothiazole 96%

Sigma-Aldrich

101338

Benzothiazole

Benzothiazole ≥96%, FG

Sigma-Aldrich

W325600

Benzothiazole

Benzimidazole 98%

Sigma-Aldrich

194123

Benzimidazole

assay

96%

assay

≥96%

assay

98%

assay

98%

refractive index

n20/D 1.642 (lit.)

refractive index

n20/D 1.642 (lit.)

refractive index

-

refractive index

-

bp

231 °C (lit.)

bp

231 °C (lit.)

bp

-

bp

206 °C (lit.)

mp

2 °C (lit.)

mp

2 °C (lit.)

mp

169-171 °C (lit.)

mp

42-44 °C (lit.)

density

1.238 g/mL at 25 °C (lit.)

density

1.238 g/mL at 25 °C (lit.)

density

-

density

-

Quality Level

100

Quality Level

400

Quality Level

200

Quality Level

100

Application

Interesting carbonyl equivalent. Reacts with aldehydes or ketones to generate α-hydroxy carbonyl compounds.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Irrit. 2

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flash Point(F)

224.6 °F - Pensky-Martens closed cup

Flash Point(C)

107 °C - Pensky-Martens closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

(enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service