China 2021 China New Design N,N-Dimethyl-p-toluidine - Factory Price Sell 92-70-6 2-Hydroxy-3-naphthoic acid CAS 92-70-6 Whatsapp/wechat:+86 18705999280 – Mit-ivy factory and manufacturers

2021 China New Design N,N-Dimethyl-p-toluidine - 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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2021 China New Design N,N-Dimethyl-p-toluidine - 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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Our solutions are widely recognized and trusted by consumers and will meet up with constantly developing financial and social requires for 2021 China New Design N,N-Dimethyl-p-toluidine - 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: Greek, Dominica, Suriname, We adopted technique and quality system management, based on "customer orientated, reputation first, mutual benefit, develop with joint efforts", welcome friends to communicate and cooperate from all over the world.

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