六次甲基四胺 规格:99.0% 产地:俄罗斯/日本 包装:25kg/袋 价格:6500元/吨
Hexamethylenetetramine
Cas号
分子式 C6H12N4
分子量 140.19
性状 白色吸湿性结晶粉末或无色有光泽的菱形结晶体。
熔点 280 °C (subl.)(lit.)
密度 1.33
闪点 482 °F
质量标准
GB/U 1400-93
项目Item 分析纯 化学纯
(AR) (CP)
含量(C6H12N4)Assay,% ≥99.0 98.0
pH(100g/L,25℃)pH of water solution 8.5-9.5 8.5-9.5
澄清度试验Clarity 合格 合格
水不溶物Insoluble matter in water,% ≤0..005
灼烧残渣(以L酸盐计)Ignition residue,% ≤0.01 0.03
氯化物(Cl)Chloride,% ≤0..005
L酸盐(SO4)Sulfate,% ≤0.001 0.003
铵盐(NH4)Ammonium,% ≤0.001 0.003
铁(Fe)Iron,% ≤0..005
重金属(以Pb计)Heavy metals,% ≤0..001
ACS级
项目名称 ACS Grade
含量(C6H12N4)Assay ≥99.0%
干燥失重Loss on drying ≤2.0%
灼烧残渣Residue after ignition ≤0.1%
重金属(以Pb计)Heavy metals ≤0.001%
99.5%
外观Appearance White powder or crystals
红外光谱Infrared spectrum Conforms to Structure
纯度Purity (Titration by NaOH) ≥99.5 %(Dried Basis)
干燥失重Loss on Drying ≤2.0 %(105°C;4h;over phosphorus pentoxide)
品级Grade 药用级
(Ph. Eur., BP, USP,99-100.5%)
assay(calc. to the dried substance) 99-100.5%
acidic and alkalic reac. substances, complies
residual solvents, in accordance
heavy metals (as Pb) ≤0.002%
free formaldehyde