亚洲夂夂婷婷色拍WW47,性做久久久久久免费观看,夜夜高潮夜夜爽夜夜爱爱,精品亚洲欧美无人区乱码

Quality standard

Character:

Stable under normal temperature and pressure; keep it away from oxide; avoid cutaneous absorption; poisonous and irritant;

To use:

Intermediate of medicine, pesticide and liquid crystal material

Storage:

Keep it away from strong oxidant agent, base, hydrochloric acid and anhydride; separate with fire and heat source; should be preserved in cool and dry place

Transportation:

As common chemicals

Storage:

1KG;5KG;25KG