shijiazhuang liangtai chemicals import and export co.,ltd
Products detail
Product Name: Hydroquinone
CAS No: 123-31-9
Product Type: Organic Chemicals and Derivatives -> Others
Product spec: C6H6O2
Packing: 25kg bag or as your requirement
Post Time: 2010-11-03
Usage: Can be used as intermediates of polymer, monomer inhibitor, dyes and auxiliary; as antioxidant in food and medicine industry; as anti coagulant for gas; developer for film, photos and X-ray film.
Description: Product Grade: Photo-taking grade and technical grade. Use: Can be used as intermediates of polymer, monomer inhibitor, dyes and auxiliary; as antioxidant in food and medicine industry; as anti coagulant for gas; developer for film, photos and X-ray film. Packing: In PP woven bags with Kraft paper bag in the middle and two-ply inner PE bags. N.W.:25kg per bag. Quality standard 1, Photo-taking grade(GB10552-89) Index items Index(%) Appearance White needle crystal Hydroquinone(HOC6H4OH) content 99.0~101.0 Melting point 171°C~175°C Solubility Qualified Residue on ignition ≤ 0.05 Heavy Metal(based on Pb) ≤ 0.002 Iron(Fe) ≤ 0.002 2, Technical grade Index items Index(%) Appearance Grey or yellowish powdery crystal Hydroquinone(HOC6H4OH) content ≥99 Melting point ≥169.5¡æ Residue on ignition ≤0.3
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