Wholesale Price 2,5-Thiophenedicarboxylic acid – 2-Amino-p-cresol – Subang

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Wholesale Price 2,5-Thiophenedicarboxylic acid – 2-Amino-p-cresol – Subang Detail:

Chemical Structure

Molecular formula: C₇H₉NO

Molecular weight: 123.15

CAS NO.: 95-84-1

EINECS: 202-457-3

UN NO.: 2512

Chemical Properties

Appearance: gray-white crystals.

Content: ≥98.0%

Melting point: 134 ～136℃

Moisture: ≤0.5%

Ash content: ≤0.5%

Solubility: easily soluble in organic solvents such as ethanol, ether and chloroform. Slightly soluble in water and benzene. Easily soluble in hot water.

Uses

Used as a dye intermediate, and also used in the preparation of fluorescent whitening agent dye intermediates, and used in the production of fluorescent whitening agent DT.

Production Method

O-nitro-p-cresol is obtained by reduction with alkali sulfide or catalytic hydrogenation. Starting from the nitration of p-cresol, the raw material consumption quota: 963kg/t of p-cresol industrial product, 661kg/t of nitric acid (96%), 2127kg/t of sulfuric acid (92.5%), 2425kg/t of soda sulfide (60%), and 20kg/t of soda ash.

Storage Method

1. Store in a cool, ventilated warehouse. Keep away from fire and heat sources. The package is sealed. It should be stored separately from oxidants and acidic substances, and avoid mixed storage. Equipped with the appropriate variety and quantity of fire equipment. The storage area should be equipped with suitable materials to contain the leakage.

2. Packed in iron drum or cardboard drum lined with plastic bag. The net weight per barrel is 25kg or 50kg. Store and transport in accordance with general chemical regulations.

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