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Product standards and uses of 2-hydroxy-3-naphthoyl o-ethoxyaniline

 Last Update: 2021-08-28
 Source: Internet
 Author: User

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chemicals used fracking

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7.
Laboratory preparation method

Add 160 g of solvent chlorobenzene to the reaction flask, and then add 45 g (calculated as 100%) of 2-hydroxy-3-naphthoic acid
.

Heat to 65°C and add 36.

8.
Product Standard

9.
Product use

Ice dye naphthol
.

It is used for cotton dyeing.

10.
Security measures

(1) The raw material o-aminophenethyl ether is poisonous.
Phosphorus trichloride is a first-grade inorganic acid corrosive product.
This product is poisonous
.

Production equipment should be closed to prevent leakage, ventilation should be strengthened in the workshop, and operators should wear labor protection equipment

(2) The products are packed in iron drums lined with plastic bags and stored in a cool, dry and ventilated place
.

Avoid sunlight, prevent moisture and heat

Related Links: Product performance of 2-hydroxy-3-naphthoyl o-ethoxyaniline

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