Knowledge

Ketphenamine is an H1 receptor antagonist, and its chemical structure belongs to hydrocarbon amine. It can competitively block histamine H1 receptor on allergic target cells, so that histamine cannot

The biggest advantage of methyl hydrosilicone oil is its good waterproof effect. It can be cross-linked to form a film at low temperature under the action of metal salt catalyst, and can form a waterp

Appearance: the external form of silicone oil, usually colorless or yellowish transparent liquid. When we introduced the identification of genuine silicone oil and fake silicone oil, we mentioned that

Methyl hydrogenated silicone oil is prone to cross-linking reaction due to a certain number of relatively active Si-H bonds in the molecule. It can be used as a cross-linking agent for addition moldin

As head sealing agent, cleaning agent and film remover, it is mainly used in organic chemical and pharmaceutical chemical production.

Rat oral LDLo: 3mL/kg; Mouse intraperitoneal LD50: 4500mg/kg; Rabbit contact LD50 through skin: 16mL/kg; Guinea pig oral LDLo: 50mg/kg

Evacuate the personnel in the contaminated area to a safe area quickly, isolate them, and strictly restrict access. Cut off the ignition source. It is recommended that emergency personnel wear self-co

Density: 0.764g/cm3; Melting point: - 59 ℃; Boiling point: 101 ℃; Flash point: - 2 ℃

Colorless transparent liquid. The melting point is - 77 ℃, the boiling point is 168.8 ℃, the relative density is 0.9320 (20/4 ℃), the refractive index is 1.3928, and the flash point is 46 ℃. It is mis

Health hazard: harmful to the body after inhalation, oral administration or skin absorption. Irritating to skin. Its vapor or fog can irritate eyes, skin, mucous membrane and respiratory tract. It can

Ketone is generally a very low carbohydrate, which can generally play a role in weight loss. If obesity occurs, appropriate ketogenic foods can increase satiety and reduce the intake of other foods, s

This substance can dry dampness and remove cold. It can be used in the treatment of human spleen and stomach cold dampness. It has an excellent therapeutic effect on vomiting and nausea caused by sple