Acid orange II CI acid orange 7 is a chemical dye, usually it is a orange powder, which is red and yellow in water, orange in ethanol, and magenta in concentrated sulfuric acid. In industry, acid orange 7 is mainly used for dyeing wool, leather, silk, nylon and paper.

At the same time, it is also an indicator, which is often used in the dyeing of tissue sections in medicine. In the food industry, acid orange 7 is a non edible pigment, which is forbidden to be added to food.

Product name: Acid orange II
Other name: Acid golden II; Golden orange II; Acid brilliant orange gr
Molecular formula: C16H11N2NaO4S
Molecular weight: 350.32
CAS 633-96-5

Our factory is producing acid orange 7 for 27 years with various quality levels used for paper and leather industry.

If you are looking for new source of acid orange 7 or other acid dyes, welcome contact with us.

Contact person: Miss Jessie Geng

Email:jessie@xcwychem.com

Mobilephone/Whatsapp: +86-13503270825