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 | 分析標(biāo)準(zhǔn)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 |
項目Item 化學(xué)純
(CP)
結(jié)晶點Freeging point,℃ ≥15.0
比重Specific gravity (20/20°C) 1.015~1.018
水分Water ≤0.5%
水溶解試驗Solubility in Water 合格
酸度Acidity(以H+計)/(mmol/100g) ≤0.25
灼燒殘渣Ignition residue ≤0.01%
項目 優(yōu)級純
(GR)
外觀Appearance 透明微粘稠液體
純度Purity >99.0 % (GC)
相對密度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
結(jié)晶點Freezing point 19.0 ~ 21.0 °C
水分Water <0.1 % (K.F.)
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