推荐：Indigo carmine (C.I. 73015)@2024文献已更新

别名:Indigo carmine (C.I. 73015)

Empirical Formula (Hill Notation):C16H8N2Na2O8S2

CAS号:860-22-0

分子量:466.35

MDL编号:MFCD00005723

EC索引号:212-728-8

属性
质量水平
200

效能
>2000 mg/kg LD50, oral (Rat)

组成
dye content, ≥80% spectrophotometric assay

缺失
≤10% loss on drying, 110°C

pH值（酸碱度）
7 (20 °C, 10 g/L in H2O)

mp
>340 °C

溶解性
1 g/L

密度
0.71 g/cm3 at 29 °C

堆积密度
700?900 kg/m3

λmax
608-612 nm in water

储存温度
2-30°C

InChI
1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b14-13+;;

InChI key
KHLVKKOJDHCJMG-QDBORUFSSA-L

说明
分析说明
Dye content (spectrophotometrically): ≥ 80 %
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (water): 608 - 612 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01?g/l; water): 380 - 475
TLC-Test: passes test
Loss on drying (110?°C): ≤ 10 %