China High Quality for N-ethylaminobenzene - Factory Price Sell 92-70-6 2-Hydroxy-3-naphthoic acid CAS 92-70-6 Whatsapp/wechat:+86 18705999280 – Mit-ivy factory and manufacturers

High Quality for N-ethylaminobenzene - Factory Price Sell 92-70-6 2-Hydroxy-3-naphthoic acid CAS 92-70-6 Whatsapp/wechat:+86 18705999280 – Mit-ivy

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Well-run gear, qualified revenue workforce, and superior after-sales companies; We've been also a unified huge loved ones, anyone persist with the organization benefit "unification, determination, tolerance" for N,N-dimethylaniline sulfate (1:1), 1-Amino-4-methylbenzene, 2,4-Dichlorobenzoyl alcohol, We warmly welcome merchants from home and abroad to call us and establish business relationship with us, and we will do our best to serve you.

High Quality for N-ethylaminobenzene - Factory Price Sell 92-70-6 2-Hydroxy-3-naphthoic acid CAS 92-70-6 Whatsapp/wechat:+86 18705999280 – Mit-ivy Detail:

4288997171_1574633984
4551353397_570412719

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

9119394870_349154040 (1)
9119412666_349154040
9141397778_349154040

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%)

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