所有图片(1)
别名:
Chromotropic acid disodium salt dihydrate, 4,5-Dihydroxy-2,7-naphthalene disulfonic acid sodium salt
经验公式（希尔记法）:
C10H6Na2O8S2 · 2H2O
推荐产品
等级
ACS reagent
质量水平
Agency
reag. Ph. Eur.
检测方案
≥98.5% (acidimetric)
形式
solid
组成
Water, 8.5-9.5% Karl Fischer
颜色
gray-white to brownish white
pH值（酸碱度）
3.6 (20 °C, 10 g/L in H2O)
mp
>300 °C
堆积密度
780 kg/m3
储存温度
2-30°C
InChI
1S/C10H8O8S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,11-12H,(H,13,14,15)(H,16,17,18)/p-2
InChI key
HLVXFWDLRHCZEI-UHFFFAOYSA-L
联系
Replaces: DX1460-1
分析说明
Appearance: greyish white to brownish white powder
Assay (acidimetric, calc. on anhydrous substance): ≥ 98.5 %
Identity (IR-spectrum): passes test
Appearance of solution (5 %; water): passes test
Water (according to Karl Fischer): 8.5 - 9.5 %
Sensitivity (of formaldehyde): passes test
Sensitivity (of nitrate): passes test
Assay (acidimetric, calc. on anhydrous substance): ≥ 98.5 %
Identity (IR-spectrum): passes test
Appearance of solution (5 %; water): passes test
Water (according to Karl Fischer): 8.5 - 9.5 %
Sensitivity (of formaldehyde): passes test
Sensitivity (of nitrate): passes test
警示用语：
Warning
危险分类
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系技术服务部门