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Manufacturer for 2,4,6-Trimethylaniline - 1,4-Naphthalene Dicarboxylic Acid – Subang

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  • Manufacturer for 2,4,6-Trimethylaniline - 1,4-Naphthalene Dicarboxylic Acid – Subang

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In an effort to finest meet up with client's requirements, all of our operations are strictly performed in line with our motto "High High quality, Competitive Rate, Fast Service" for Fluorescent Whitening Agent KCB, Optical Brightener 393, 13001-39-3, Our professional technical team will be wholeheartedly at your service. We sincerely welcome you to visit our website and company and send us your inquiry.
Manufacturer for 2,4,6-Trimethylaniline - 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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Well-run equipment, expert income workforce, and far better after-sales expert services; We are also a unified large family, anyone stick to the corporate value "unification, dedication, tolerance" for Manufacturer for 2,4,6-Trimethylaniline - 1,4-Naphthalene Dicarboxylic Acid – Subang , The product will supply to all over the world, such as: Montpellier, India, Iraq, Our company's main products are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.
    • This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Fernando from Egypt - 2018.02.21 12:14
    We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Hannah from Serbia - 2017.06.19 13:51
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