中文老熟妇乱子伦在线视频_爽爽爽日本在线视频_成年女人大片免费观看版_日本少妇中文喷潮手机在线

Products

Products

2,3,4-trimethoxybenzaldehyde

No. Item Specification
1 Appearance White or almost white crystalline powder
2 Assay, % ≥98.0
3 MP,ºC 38.0-40.0
4 ACIDTY, % ≤0.5
5 PURITY(GC), % ≥99.0
6 1,2,3-TRIMETHOXYBENZENE(GC), % ≤0.3
7 QUANTITY, % ≤1.0