Barbituric acid
Cas no : 67-52-7
Einecs no : 200-658-0
Name : 2, 4, 6-trihydroxypyrimidine
Synonyms : malonylurea2, 4, 6-trihydroxy-1, 3-diazine
Molecular formula : c4h4o3n2
Molecular weight : 128.05
Melting point : 245a1µ
Purity 98.5%
Ash <0.5%
Physical and chemical properties :white to off-white crystalline powder+soluble in hot water and slightly soluble in cold water+ph¦2 - 3 (50 g/l, aqueous solution)
Applications : used in the production of reactive dye intermediate, vitamin b2 and trichloropyridine
Industrial
Barbituric acid Cas no.: 67-52-7 Molecular formula c4h4n2o3 Molecular weight 128.09 Purity: 99%min Melting point: 253f+1 centigrade Characteristics: white to off-white crystalline power Loss on drying: 0.5%max Sulphated ash: 0.1%max Packing:25kg/ cardboard drum Synonyms:2, 4, 6(1h, 3h, 5h)-pyrimidinetrione;2, 4, 6-trihydroxy-1, 3-diazine; malonylurea Packing in 25kg bags or drrums
Barbituric acid CAS No 67-52-7 white crystalline powder USE:pharmaceutical intermediate 25kg/drum
Barbituric acid Items Index of quality Appearance Off-white crystalline powder Contents% 99.0(HPLC) Melting Point 245 Volatilization% 0.20 Packed in 25kg net poly-woven bag or as customersf+ requirements.
Triphenylmethyl chloride Cas no 76-83-5 Molecular formula c19h15cl molecular weight 278.78 Characteristics:white to yellow power Purity: 99%min Melting point: 110-113centigrade Boiling point: 230-235centigrade Packing: 25kg/ cardboard drum Within 20 day after your payments Synonyms alpha-chlorotriphenylmethane;triphenylchloromethane; trityl chloride Packing in 25kg bags
Supplier: Titanium dioxide, oxalic acid, barbituric acid and n-methyl-2- pyrrolidone
Supplier: Malonic acid, barbituric acid, triphosgene, methyl 4-formyl benzoate, trityl chloride, undecylenic acid
Services: As your procurement agent in China market
Buyer: Methyl 4-formyl benzoate, malonic acid, barbuturic acid, water treatment equipments
Supplier: Sodium lauryl sulphate / ammonium purpurate ( murexide) / alloaxan / barbituric acid / silicone based defoamers
Triphosgene Cas no.: 32315-10-9 Molecular formula :c3cl6o3 Appeareance: white crystal Assay: 99%min; Melting point:79-83fª Packing & storing: ca plastic drum 25kg or 50kg/drum. Storage in dry and shadow, far away from fire, separate from organic amino Packing in 25kg bags
5-amino-2, 4, 6-triiodoisophthalic acid Molecular formula:c8h4i3no4 Appearance: slightly yellow powder; Assay:95%min; Residue on ignition:0.1%max; Free acid:0.1%max; Free iodide:0.1%max; Packing:25kg/ cardboard drum Packing in 25kg drums
