Industrial Organic Intermediate P-Hydroxybenzoic Acid CAS 99-96-7

Product NameP-Hydroxybenzoic acidSynonyms4-Hydroxybenzoic acid;para-Hydroxybenzoic acid;PHBA;4-hydroxybenzoateCAS99-96-7Molecular formulaC7H6O3Molecular Weight138.122EINECS202-804-9Physical and Chemical PropertiesMelting Point214.5 °CDensity1.46 g/cm3General DescriptionThis product is white powder crystal, tasteless, odorless, and numb tongue when tasting.UsageThis product can be used as preservative, dye, medicine and injection molding intermediate, and esterified with alcohol. It is also the main raw material of polymer liquid crystal polymer and the raw material of pesticide intermediate.Packing25kgs/ bagStorage conditionStored in a cool, ventilated warehouse. Stay away from fire and heat. Storage should be kept separate from the oxidant. Equipped with corresponding varieties and quantities of fire equipment. The storage area shall be equipped with leakage emergency treatment equipment and suitable shelter materials. Polymer Grade SpecificationsItemsSpecificationsAppearanceWhite crystalline powderContent (dry basis), %≥99.6%Melting Point214-217ºCOdorOdorlessSolubilityClear and transparentDrying loss≤0.2%Color (Pt-Co)≤10Ash Content≤0.02%Sulfate (as SO42-)≤0.01%Chloride (as Cl-)≤0.005%Phenol≤0.01%Salicylic Acid≤0.02%4-Hydroxyisophthalic acid (HIPA)≤0.05%Insoluble in Methanol %≤0.005%Potassium (K+)≤0.0005%Sodium (Na+)≤0.0005%Iron (Fe)≤0.0005%(Ca2++Mg2+)≤0.001%Industrial Grade SpecificationsItemsSpecificationsAppearanceWhite crystalline powderContent (dry basis), %≥99.0%Melting Point212-216ºCOdorOdorlessSolubilityClear and transparentDrying loss≤0.5%Color (Pt-Co)≤40Ash Content≤0.15%Sulfate (as SO42-)≤0.05%Chloride (as Cl-)≤0.02%Phenol≤0.1%Salicylic Acid≤0.1%/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1