乙酸甲酯（45999-250ML-F）色谱级-分析测试百科网

乙酸甲酯（45999-250ML-F）色谱级

面议

grade for HPLC vapor density 2.55 (vs air) vapor pressure 165 mmHg ( 20 °C) assay ≥99.8% (GC) ≥99.8% au

400-6699-117 转1000

耗材描述

grade	for HPLC
vapor density	2.55 (vs air)
vapor pressure	165 mmHg ( 20 °C)
assay	≥99.8% (GC)
	≥99.8%
autoignition temp.	936 °F
shelf life	(limited shelf life, expiry date on the label)
expl. lim.	16 %
total impurities	≤0.05% water
evapn. residue	≤0.001%
refractive index	n20/D 1.361(lit.)
	n20/D 1.362
bp	57-58 °C(lit.)
mp	−98 °C(lit.)
density	0.934 g/mL at 25 °C
solvent strength ε (Al₂O₃)	0.60
λ	1 cm path, H₂O reference
UV absorption	λ: 255 nm A_max: 1.0
	λ: 275 nm A_max: 0.1
	λ: 300 nm A_max: 0.01