Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
Tel: 13231137666
Tel: 15028179902
Tel: 13383610321
Tel: +86 13288715578
Tel: 13288715308
Tel: +86 15028179772
Tel: +86 13315458396
Tel: 15103291926
Tel: 13315457394
Mobile: 13231137666
Tel: 13231137666
Fax:
Province/state: Hebei
City: shijiazhuang
Street: room 1401,A building,Enjoy city,shijiazhuang city,hebei province,China
MaxCard:
CAS NO.99-96-7
comestic(1-22)Metric Toncomestic(1-22)Metric Ton
Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in lead acetate, diphenyl ethylamine and other chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all employees, we have established many cooperative companies in shandong, henan, guangdong and other places. Our corporate purpose is based on the market, enhance the strength, take the road of scientific and environmental sustainable development, relying on the country. Technology r & d center, increase the investment in r & d, based on the domestic market, expand the international market, manufacturing quality products, sincere service to the society, into a modern, ecological, scientific and technological enterprise world.
Contacts:betty
Wechat/whatsapp:0086-18132644663
Tel&V:0086-18132644663
Email:betty@hbmojin.com
Product information
4-Hydroxybenzoic acid Specification:
Benzoic acid index |
|
Items |
Index |
Content |
99-100.5% |
Loss on drying |
≤0.5% after drying for three hours over sulphuric acid |
Melting range |
121.5-123.5°C |
PH |
About 4 (solution in water) |
Arsenic |
≤3 ppm |
Lead |
≤5 ppm |
Mercury |
≤1 ppm |
Heavy metal (as pb) |
≤10 ppm |
Sulphated ash |
≤0.05% |
Positive sublimation test and test for benzoate |
Qualified with regulations |
Readily oxidizable substances |
Qualified with regulations |
Polycyclic acid |
Pass test |
Chlorinated organic compounds |
≤300 ppm |
Appearance of solution |
Clarification, colorless |
Product use
P-hydroxy benzoic acid is widely used in organic synthesis raw material, especially its esters, including methyl p-hydroxybenzoate (neper shining), ethyl ester (neper Jin Yi), propyl acetate, butyl acetate, isopropyl acetate, butyl acetate, can be used as food additive, is used in the soy sauce, vinegar, cool and refreshing drinks (except soda), fruits and spices, fruits and vegetables, salted, etc., are widely used in food, cosmetics, medicine, anti-corrosion, fungicide and fungicide, etc. Para-hydroxybenzoic acid is also used as an intermediate in dyes and pesticides. In pesticides for the synthesis of organophosphorus insecticides GYAP, CYP; Used in the dye industry for the synthesis of thermosensitive dye color reagent; It can also be used as the raw material of plasticizer in color film, synthetic oil-soluble colorant "538" and nylon 12. In addition, it is used in liquid crystal polymers and plastics.
Company profile
Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in lead acetate, diphenyl ethylamine and other chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all employees, we have established many cooperative companies in shandong, henan, guangdong and other places. Our corporate purpose is based on the market, enhance the strength, take the road of scientific and environmental sustainable development, relying on the country. Technology r & d center, increase the investment in r & d, based on the domestic market, expand the international market, manufacturing quality products, sincere service to the society, into a modern, ecological, scientific and technological enterprise world.