Name | Specifications | Packing | Price | Delivery |
1,4-Butanediol | GR | 2.5L | RMB 440 | Consulting service |
1,4-Butanediol | GR | 500ml | RMB 96.8 | Consulting service |
1,4-Butanediol | 分析标准品 | 250mg | RMB 434.5 | Consulting service |
1,4-Butanediol | CP | 500ml | RMB 39.6 | Consulting service |
1,4-Butanediol | AR | 500ml | RMB 48.4 | Consulting service |
1,4-Butanediol | GCS,>99%(GC) | 5ml | RMB 39.6 | Consulting service |
项目Item 化学纯
(CP)
结晶点Freeging point,℃ ≥15.0
比重Specific gravity (20/20°C) 1.015~1.018
水分Water ≤0.5%
水溶解试验Solubility in Water 合格
酸度Acidity(以H+计)/(mmol/100g) ≤0.25
灼烧残渣Ignition residue ≤0.01%
项目 优级纯
(GR)
外观Appearance 透明微粘稠液体
纯度Purity >99.0 % (GC)
相对密度Specific gravity (20/20°C) 1.0170 - 1.0190
折光率Refractive index n20/D 1.4440 - 1.4470
色度Color scale <10 Apha
结晶点Freezing point 19.0 ~ 21.0 °C
水分Water <0.1 % (K.F.)
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