1.04724
Indigo carmine (C.I. 73015)
for analysis
别名:
Indigo carmine (C.I. 73015)
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关于此项目
经验公式（希尔记法）:
C16H8N2Na2O8S2
化学文摘社编号:
分子量:
466.35
UNSPSC Code:
12171506
EC Index Number:
212-728-8
NACRES:
NB.21
MDL number:
SMILES string
[Na+].[Na+].[S](=O)(=O)([O-])c1cc2c(cc1)N\C(=C3\Nc4c(cc(cc4)[S](=O)(=O)[O-])C\3=O)\C2=O
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
potency
>2000 mg/kg LD50, oral (Rat)
composition
dye content, ≥80% spectrophotometric assay
loss
≤10% loss on drying, 110°C
pH
7 (20 °C, 10 g/L in H2O)
mp
>340 °C
solubility
1 g/L
density
0.71 g/cm3 at 29 °C
bulk density
700‑900 kg/m3
λmax
608-612 nm in water
storage temp.
2-30°C
Quality Level
Analysis Note
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 %
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 %
signalword
Warning
hcodes
Hazard Classifications
Skin Sens. 1
存储类别
11 - Combustible Solids
wgk
WGK 1
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