Good quality N-methyl-N-phenylethanolamine - Factory Price Sell 92-70-6 2-Hydroxy-3-naphthoic acid CAS 92-70-6 Whatsapp/wechat:+86 18705999280 – Mit-ivy
Good quality N-methyl-N-phenylethanolamine - 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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Our company sticks into the basic principle of "Quality is definitely the life of the business, and status may be the soul of it" for Good quality N-methyl-N-phenylethanolamine - 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: Denver, Iran, El Salvador, Customer satisfaction is our first goal. Our mission is to pursue the superlative quality, making continual progress. We sincerely welcome you to make progress hand in hand with us, and construct a prosperous future together.
High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.









