ChemicalBook > CAS DataBase List > 2-MERCAPTO-5-METHOXYBENZOTHIAZOLE

2-MERCAPTO-5-METHOXYBENZOTHIAZOLE

Product Name
2-MERCAPTO-5-METHOXYBENZOTHIAZOLE
CAS No.
55690-60-3
Chemical Name
2-MERCAPTO-5-METHOXYBENZOTHIAZOLE
Synonyms
5-Methoxy-2-benzothiazolethiol;5-METHOXYBENZOTHIAZOLE-2-THIOL;5-Methoxy-2-mercaptobenzothiazole;2-MERCAPTO-5-METHOXYBENZOTHIAZOLE;5-Methoxybenzo[d]thiazole-2-thiol;5-Methoxy-2(3H)-benzothiazolethione;5-Methoxy-1,3-benzothiazole-2-thiol;5-methoxybenzothiazole-2(3H)-thione;2-Mercapto-5-methoxybenzothiazole>2(3H)-Benzothiazolethione, 5-methoxy-
CBNumber
CB4295134
Molecular Formula
C8H7NOS2
Formula Weight
197.28
MOL File
55690-60-3.mol
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2-MERCAPTO-5-METHOXYBENZOTHIAZOLE Property

Melting point:
190-193°C
Boiling point:
340.8±44.0 °C(Predicted)
Density 
1.44±0.1 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
form 
powder to crystal
pka
9.27±0.20(Predicted)
color 
Light yellow to Yellow to Orange
Water Solubility 
Insoluble in water.
BRN 
142225
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Safety

Safety Statements 
22-24/25
HS Code 
2934.20.8000
HazardClass 
IRRITANT
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TCI Chemical
Product number
M1277
Product name
2-Mercapto-5-methoxybenzothiazole
Purity
>98.0%(T)
Packaging
5g
Price
$228
Updated
2025/07/31
TRC
Product number
M331113
Product name
5-Methoxybenzo[d]thiazole-2-thiol
Packaging
50mg
Price
$45
Updated
2021/12/16
TRC
Product number
M331113
Product name
5-Methoxybenzo[d]thiazole-2-thiol
Packaging
500mg
Price
$90
Updated
2021/12/16
ChemScene
Product number
CS-0042731
Product name
5-Methoxybenzo[d]thiazole-2(3H)-thione
Purity
97.48%
Packaging
1g
Price
$53
Updated
2021/12/16
Matrix Scientific
Product number
064341
Product name
5-Methoxy-1,3-benzothiazole-2-thiol
Packaging
500mg
Price
$237
Updated
2021/12/16
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2-MERCAPTO-5-METHOXYBENZOTHIAZOLE Chemical Properties,Usage,Production

Uses

2-Mercapto-5-methoxybenzothiazole is used as an intermediate in organic synthesis.

Synthesis

10298-80-3

55690-60-3

General procedure for the synthesis of 2-mercapto-5-methoxybenzothiazole from 4-chloro-3-nitroanisole: 244 g of sodium polysulfide solution was mixed with 30 g of 1-chloro-4-methoxy-2-nitrobenzene, followed by the addition of 20 mL of carbon disulfide and continuous stirring. The reaction mixture was heated to reflux and maintained for about 5 hours, during which time a yellow solid precipitate was observed to form. Upon completion of the reaction, the mixture was filtered and the filtrate was diluted to 1000 mL with water to obtain an orange-yellow solution. The solution was neutralized to neutral with 6 M hydrochloric acid, at which point a light yellow solid precipitated. The solid product was collected by filtration, washed well with water and dried. Finally, 29.4 g of the target product 2-mercapto-5-methoxybenzothiazole was obtained in 93.1% yield.

References

[1] Patent: US2010/292285, 2010, A1. Location in patent: Page/Page column 2; 3
[2] Patent: US5451594, 1995, A

2-MERCAPTO-5-METHOXYBENZOTHIAZOLE Preparation Products And Raw materials

Raw materials

Preparation Products

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2-MERCAPTO-5-METHOXYBENZOTHIAZOLE Suppliers

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View Lastest Price from 2-MERCAPTO-5-METHOXYBENZOTHIAZOLE manufacturers

Career Henan Chemical Co
Product
2-MERCAPTO-5-METHOXYBENZOTHIAZOLE 55690-60-3
Price
US $9.80/KG
Min. Order
1g
Purity
≥99%
Supply Ability
100kg
Release date
2020-01-10

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