2-(4-Hydroxyphenylazo)benzoic acid

Details:

Benzoic Acid CAS NO 65-85-0 Byname carboxybenzene Molecular Formula C7H6O2 Molecular Weight 122.12  benzoic acid 65-85-0CharactersCAS NO 65-85-0 Byname carboxybenzeneMolecular Formula C7H6O2 Molecular Weight 122.12 Properties   Melting point 122.13°C   Boiling point 249°C   Flash point 121 ºC   Density1.2659(15/4°C)    SpecificationStandardGB1901-2000,BP2000,Chinese Pharmacopoeia 2000 version ItemsIndexContent99-100.5%Loss on drying≤0.5% after drying for three hours over sulphuric acidMelting range121.5-123.5°CPHAbout 4 (solution in water)Arsenic≤3 ppmLead≤5 ppmMercury≤1 ppmHeavy metal (as pb)≤10 ppmSulphated ash≤0.05%Positive sublimation test and test for benzoateQualified with regulationsReadily oxidizable substancesQualified with regulationsPolycyclic acidPass testChlorinated organic compounds≤300 ppmAppearance of solutionClarification, colorlessShelf life2 years   Applications 1). Used as Preservative in food and medical industries; 2). Used as material of sodium benzoate; 3). Used in such industries as dyestuff, paint, oil and fat etc. Packing   25KG/plastic wowen bag or paper bag. 18MT/20FCL   Service we can provide  1.Mixed container,we can mix different items in one container.  2.Quality control,before shipment,free sample for test after shipment,keep sample for 3 years.  3.Prompt shipment with professional documents. 4.Packing as your&nb...Benzoic AcidCAS NO 65-85-0 Byname carboxybenzeneMolecular Formula C7H6O2 Molecular Weight 122.12  benzoic acid 65-85-0CharactersCAS NO 65-85-0 Byname carboxybenzeneMolecular Formula C7H6O2 Molecular Weight 122.12 Properties   Melting point 122.13°C   Boiling point 249°C   Flash point 121 ºC   Density1.2659(15/4°C)    SpecificationStandardGB1901-2000,BP2000,Chinese Pharmacopoeia 2000 version ItemsIndexContent99-100.5%Loss on drying≤0.5% after drying for three hours over sulphuric acidMelting range121.5-123.5°CPHAbout 4 (solution in water)Arsenic≤3 ppmLead≤5 ppmMercury≤1 ppmHeavy metal (as pb)≤10 ppmSulphated ash≤0.05%Positive sublimation test and test for benzoateQualified with regulationsReadily oxidizable substancesQualified with regulationsPolycyclic acidPass testChlorinated organic compounds≤300 ppmAppearance of solutionClarification, colorlessShelf life2 years   Applications 1). Used as Preservative in food and medical industries; 2). Used as material of sodium benzoate; 3). Used in such industries as dyestuff, paint, oil and fat etc. Packing   25KG/plastic wowen bag or paper bag. 18MT/20FCL   Service we can provide  1.Mixed container,we can mix different items in one container.  2.Quality control,before shipment,free sample for test after shipment,keep sample for 3 years.  3.Prompt shipment with professional documents. 4.Packing as your request,with photo before shipment