亚洲欧美一区二区三区国产精品,亚洲色图综合偷拍视频,亚洲精品久久9热,精品不卡在线播放,久久午夜无码鲁丝片,aaaaa级少妇高潮大片,久久欠看片福利一区二区三区,日韩大片在线永久免费观看网站

Search：

◆ Dyes Intermediates
◆ Pharmaceutical Intermediate
◆ Food Additives Series
◆ 8-Hydroxyquinoline series
◆ Resin series
◆ Pesticide intermediates
Detailed>>>>

2-Amino-4-nitrophenol

Product Name:	2-Amino-4-nitrophenol
Alias:	4-Nitro-2-Aminophenol; 4-NAP
Structural Formula:
Molecular Formula:	C₆H₆N₂O₃
Molecular Weight:	154.12
CAS No.:	99-57-0
EINECS No.:	202-767-9
Properites:	brownish yellow flaky crystal, m.p.: 143℃ flash point: 100℃ solubility in water: slightly soluble in water
Use:	As dyes and pharmaceutical intermediate
Quality Standard:	1. assay: wet: assay: ≥80% dry assay: ≥98% 2. initial melting point(dry): ≥140% 3. insolubles in acid: ≤0.1% 4. packing: in woven bag lined with thin film, net wt. 25kg/bag.
Content:	Content of dry goods:≥98% Content of wet goods:≥80%
Picture:

[ Back ]