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China Cheap price O-Nitrophenol - 1,4-Naphthalene Dicarboxylic Acid – Subang

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  • China Cheap price O-Nitrophenol - 1,4-Naphthalene Dicarboxylic Acid – Subang

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With advanced technologies and facilities, strict good quality manage, reasonable rate, superior assistance and close co-operation with shoppers, we have been devoted to supplying the very best price for our consumers for 643-79-8, 2,5-Thiophenedicarboxylic acid, O-Phthalaldehyde, Because we stay in this line about 10 years. We got best suppliers support on quality and price. And we had weed out suppliers with poor quality. Now many OEM factories cooperated with us too.
China Cheap price O-Nitrophenol - 1,4-Naphthalene Dicarboxylic Acid – Subang Detail:

Structural formula

1

Chemical Name: 1,4-naphthalene dicarboxylic acid

Other names: naphthalene-1,4-dicarboxylic acid, 98 +%; 1,4-naphthalene dicarboxylic acid; naphthalene-1,4-dicarboxylic acid, KCB acid; naphthalene-1,4-dicarboxylic acid, KCB acid; 1,4-naphthalene dicarboxylic acid, 95%; naphthalene-1,4-dicarboxylic acid; 1,4-naphthalene dicarboxylic acid; 1,4-naphthalene dicarboxylic acid

Molecular formula：C12H8O4

molecular weight：216.19

Numbering system:

CAS No.：605-70-9

EINECS: 210-094-7

HS CODE: 29173990

Physical Data

Appearance: Small bar crystal

Purity: ≥98.0%

Boiling point:  490.2±28.0 °C(Predicted)

Density:  1.54 g/cm3

Melting point: 309℃（325℃）。

Solubility: soluble in ethanol, blue fluorescence, insoluble in boiling water.

Application

Used in the production of optical brightener, dye intermediates, etc.

Production Method

1-methyl-4-acetylnaphthalene and potassium dichromate are oxidized for 18h at 200-300 ℃ and about 4MPa; 1,4-dimethylnaphthalene can also be obtained by liquid phase oxidation at 120 ℃ and about 3kpa with cobalt manganese bromide as catalyst.

Storage

Sealed store in a cool and dry place.

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With our loaded working experience and thoughtful products and services, we've got been acknowledged as a reputable supplier for most international buyers for China Cheap price O-Nitrophenol - 1,4-Naphthalene Dicarboxylic Acid – Subang , The product will supply to all over the world, such as: Nepal, Irish, Cologne, We'll continue to devote ourselves to market & product development and build a well-knit service to our customer to create a more prosperous future. Please contact us today to find out how we can work together.
    • A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.
    5 Stars By Lynn from Turin - 2017.12.19 11:10
    This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Abigail from Wellington - 2018.11.04 10:32
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