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Advanced Technology

At present, the assay of Quinizarin in domestic and foreign markets is 96%, our company has refined the Quinizarin to make its assay greater than 99%.

Certifaicates

At present, eight utility model patents have been obtained, which are respectively as follows.

VARIOUS PRODUCTS

our main products include: Dye intermediates, Disperse dyes, Acid dyes and Pharmaceutical Intermediates.

AFTERSALE SERVICE

We will provide service 24/7 online support.

30Years ofExperience

Loudi Tongdan New Material Technology Co., Ltd.

The company pays great attention to product quality and technical innovation and has been providing customers with quality products for 25 years. Nowadays, we have production bases in Hunan, Heilongjiang, Jiangxi province. At present, 1,4-Dihydroxyanthraquinone has been exported to United States, Germany, France, Japan, India and other countries.

Used for Dye intermediates
2.Used for Pharmaceutical Intermediates.
Used for Flow battery industry
Used for Plastic coloring

hot sell

Hot Products

Acid Green 25

1.Name: Acid Green 252.CAS: 4403-90-13.Molecular formula：C28H23N2NaO8S24.Molecular weight: 602.615. Density: N/A6. Melting point:235-238°C7. Boiling point:N/A8. Flash Point:N/A9. Appearance:Bluish green powder10.Usage:use in drugs and cosmetics, excluding use in

Acid Blue 80

1.Name: ACID BLUE 802.CAS: 4474-24-23.Molecular formula：C32H31N2NaO8S24.Molecular weight:350.454 5. Density: 658.726. Melting point:>300°C(lit.)7. Boiling point:°Cat760mmHg8. Flash Point:>300 °C(lit.)9. Appearance:blue. Red light blue powder1

Diacetyl monoxime

1. Item name: Diacetyl monoxime2. CAS No:57-71-63. Molecular formula:C4H7NO24. Molecular weight:101.105. Quality index: 1)Appearance: white crystalline powder2)Melting point:74-76℃3)ignition residue：≤0.1%6. Packing:25 kilogram cardboard barrels pack(or according to customer's demands)7. Usage

Sodium nitroprussi···

1. Item name: Sodium nitroprusside2. CAS No:13755-38-93. Molecular formula: Na2Fe(CN)5NO.2H2O4. Molecular weight: 297.955. Quality index: 1)Appearance: Bright red crystals2)Assay:≥99%4)water insoluble matter:≤0.05%5）chloride:≤0.05%6）sulphate:≤0.05%6. Packing:25 kilogram cardboard barrels pack

Dimethylglyoxime

1. Item name: Dimethylglyoxime2. CAS No:95-45-43. Molecular formula:C4H8N2O24. Molecular weight:116.125. Quality index: 1)Appearance: white crystalline powder2)Melting point:238-242℃3)Assay:≥98%4）Scorch residue:≤0.056. Packing: 25 kilogram cardboard barrels pack (or according to customer's d

Disperse Violet 28

1.Name: Disperse Violet 282.CAS: 81-42-53.Molecular formula：C14H8Cl2N2O2 4.Molecular weight: 307.135. Density: 1.6376. Melting point: 295°C7. Boiling point: 601.4±55.0 °C(Predicted)8. Flash Point: N/A9. Appearance: Gray to Dark purple to Black10.Usage:Dye intermediates for the production o

Disperse Violet 26

1.Name: Disperse Violet 262.CAS: 6408-72-63.Molecular formula：C26H18N2O44.Molecular weight: 422.435. Density: 1.3856. Melting point: 195°C7. Boiling point: 539.06°C (rough estimate)8. Flash Point: N/A9. Appearance: brown-red powder10.Usage:It can be used for a variety of plastics, pol

Disperse Brown 27

1.Name: Disperse Brown 272.CAS: 94945-21-83.Molecular formula：N/A4.Molecular weight:N/A5. Density:N/A6. Melting point:N/A7. Boiling point:N/A8. Flash Point: N/A9. Appearance: Dark brown powder10.Usage:It is suitable for coloring ABS, PC, HIPS, PMMS and other resi

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We have factory vr display, you can contact our staff to learn more about our production qualification and equipment conditions

PROCESS

Our Working Process

1

Our working process

Select and Analysis a project We will Select and analysis the inquiry from the potential customer.
2

Deliver Samples

Deliver the samples for customers’ confirmation
3

Order Confirmation

Negotiate and make the order confirmed with clients
4

Manufacture and Delivery

Efficient production and fast delivery

FEATURES CASE

Latest Case

Plastic coloring

used for the coloring of premium car taillight shades.

Ultra-high pressur···

Flow battery indus···

In the flow battery industry, it can be used as a negative electrode active substance, which can reduce costs and improve performance.