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Indigo carmine

Catalog No. 15-0170 Name Sigma Aldrich
CAS Number 860-22-0 Website http://www.sigmaaldrich.com
M. F. C16H8N2Na2O8S2 Telephone 1-800-521-8956
M. W. 466.35286 Fax
Purity ≥90.0% Email
Storage Chembase ID: 130783

SYNONYMS

Title
靛蓝胭脂红
IUPAC name
disodium 3-oxo-2-(3-oxo-5-sulfonato-2,3-dihydro-1H-indol-2-ylidene)-2,3-dihydro-1H-indole-5-sulfonate
IUPAC Traditional name
disodium 3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate
Synonyms
靛蓝-5,5′-二磺酸 二钠盐
Indigo-5,5′-disulfonic acid disodium salt
Indigocarmine
靛胭脂
Acid Blue 74
酸性蓝 74

DATABASE IDS

Color Index Number 73015
Beilstein Number 4103904
CAS Number 860-22-0
MDL Number MFCD00005723

PROPERTIES

Empirical Formula (Hill Notation) C16H8N2Na2O8S2
Grade SAJ first grade
Purity ≥90.0%

DETAILS

REFERENCES