Top Suppliers N-dimethylaniline - Factory Price Sell 92-70-6 2-Hydroxy-3-naphthoic acid CAS 92-70-6 Whatsapp/wechat:+86 18705999280 – Mit-ivy
Top Suppliers N-dimethylaniline - Factory Price Sell 92-70-6 2-Hydroxy-3-naphthoic acid CAS 92-70-6 Whatsapp/wechat:+86 18705999280 – Mit-ivy Detail:
Application
|
Items |
Excellent grade |
First grade |
|
Appearance |
Pale yellow powder |
Pale yellow powder |
|
Assay% ≥ |
99 |
98.5 |
|
Melting point of dry product ºC ≥ |
218 ºC |
217.5 ºC |
|
Insoluble in sodium bicarbonate% ≤ |
0.05 |
0.1 |
|
Moisture % ≤ |
0.1 |
0.15 |
|
2.6 acid% ≤ |
0.09 |
0.1 |
|
2.3.6 acid% ≤ |
0.08 |
0.1 |
|
2-naphthol% ≤ |
0.4 |
0.5 |
Quick Details
Occupational contraindications Patients with chronic respiratory disease should not perform this operation. [1]
Safety and labour protection pennants
(1) Engineering control containment system and ventilation.
(2) Fire prevention and explosion prevention measures: contact with flammable liquids is prohibited. Fire fighting and fire extinguishing methods: use water spray, carbon dioxide, dry powder, appropriate foam fire extinguishing agent.
(3) Caution for storage and transportation: Store in a cool, ventilated room. Store separately from oxidizer.
(4) Personal protective measures: Ventilation, local exhaust. Skin protection: Wear protective gloves and protective clothing. Eye protection: Wear safety goggles. Ingestion protection: Do not eat, drink or smoke while working. The industrial production method is produced by the condensation of N,N-dimethylaniline and formaldehyde, distillation, crystallization and purification, sulfur, ammonization of urea and ammonium chloride at 150-160℃, filtration and drying of the finished product. Raw material consumption (kg, t) N,N-dimethylaniline (98%) 110 formaldehyde (37%) 460 urea 700 sulphur (99%) 350 ammonium chloride 630 p-aminobenzenesulfonic acid (100%)
Product detail pictures:
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We insist on offering high-quality production with great enterprise concept, honest product sales and also the finest and fast service. it will bring you not only the superior quality solution and huge profit, but the most significant should be to occupy the endless market for Top Suppliers N-dimethylaniline - Factory Price Sell 92-70-6 2-Hydroxy-3-naphthoic acid CAS 92-70-6 Whatsapp/wechat:+86 18705999280 – Mit-ivy , The product will supply to all over the world, such as: Paris, Ireland, Istanbul, Our company has always insisted on the business principle of "Quality, Honest, and Customer First" by which we have won the trust of clients both from at home and abroad. If you are interested in our solutions, you should do not hesitate to contact us for further information.
By Adam from Philippines - 2017.09.28 18:29
This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
By Arabela from Colombia - 2017.08.18 18:38
