Hydroquinone CAS NO.123-31-9

Hydroquinone / 123-31-9/ Photographic grade CAS No. 123-31-9 White needle or flaky crystal MF C6H6O2 Hydroquinone / 123-31-9/ Pho…

Hydroquinone / 123-31-9/ Photographic grade CAS No. 123-31-9 White needle or flaky crystal MF C6H6O2 Hydroquinone / 123-31-9/ Photographic grade    Appearance White or light yellow crystal powder  Photographic GradeMolecular Formual 1,4-C6H4(OH)2  Molecular weight 110.12 (According to the international atomic weight of 1987)Specification Content 99% - 101%Usage Generally for photograph, dye, pesticide rubber, chemical industry, medicine, polymer retarder, desulphurization in fertilizer, urea synergist antioxidant, analyse chemical reagent and so.Packing 25kg (net weight) kraft paper bag lined with two plastic bags.  Hydroquinone Specification  Name of sample Photo  Grade  Hydroquinone Sample Number20111118AInspection application departmentWorkshopInspection ReferenceGB/T   22392-2008/ISO 4231994The inspection itemsStandard valueMeasured valueContent  %≥99.0100.1Melting point,°C171-175173Ignition residue,  %≤0.050.04Heavy metal(as Pb)≤0.002%PassIron(Fe)≤0.002%PassConclusion Photo GradeInspected byMonica SuChecked by Lee   Hydroquinone(HQ) .Photographic Grade,Technical Grade .white or off-white powdery crystal CAS No. 123-31-9 1. Grade photo grade, technical grade 2. Appearance white needle crystal 3. Purity 99%-101% Hydroquinone Description  Appearance white needle crystalGrade photo grade, industrial gradeContent 99-101%Packing 25kg/ kraft bagQuantity 1x FCL (20’GP) = 19MT without pallets Application Hydroquinone is used in photograpg, dye, pesticide, rubber, medicine, fertilizer.   Hydroquinone(HQ) (1) Photographic Grade Molecular Formual 1,4-C6H4(OH)2 Molecular weight 110.12 (According to the international atomic weight of 1987) Specification Content 99% - 101% Usage Generally for photograph, dye, pesticide rubber, chemical industry, medicinHydbest price p-dihydroxybenzene (CAS123-31-9) CAS No. 123-31-9White needle or flaky crystalMF C6H6O2 best price 99.5% p-dihydroxybenzene   (CAS123-31-9)   Hydroquinone(HQ)  Appearance White or light yellow crystal powder  (1) Photographic GradeMolecular Formual 1,4-C6H4(OH)2  Molecular weight 110.12 (According to the international atomic weight of 1987)Specification Content 99% - 101%Usage Generally for photograph, dye, pesticide rubber, chemical industry, medicine, polymer retarder, desulphurization in fertilizer, urea synergist antioxidant, analyse chemical reagent and so.Packing 25kg (net weight) kraft paper bag lined with two plastic bags.  (2) Technical Grade   Molecular Formual 1,4-C6H4(OH)2Molecular weight 110.12 (According to the international atomic weight of 1987)Specification Content ≥98.5% Usage Generally for photograph, dye, pesticide rubber, chemical industry, medicine, polymer retarder, desulphurization in fertilizer, urea synergist antioxidant, analyse chemical reagent and so.Packing 25kg (net weight) kraft paper bag lined with two plastic bags Hydroquinone Specification Item of HydroquinoneStandardResultAppearanceWhite  or  off-white  powdery  crystalOff  white  crystalContent99.0%  to  101.0%100.2%Melting  Point171.0  °   C  to  175.0  °   C 172°   CSolubilityUp  to  standardQualifiedIgnition  residue0.05%  max0.05%Heavy  metal0.002%  maxQualifiedIron 0.002%  maxQualifiedWater0.3%maxQualified