Thermo Scientific Chemicals Indigo Carmine

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Indicator

Specifications

Chemical Identifiers

• CAS: 860-22-0
• Molecular Formula: C16H8N2Na2O8S2
• Molecular Weight (g/mol): 466.35
• MDL Number: MFCD00005723
• InChI Key: KHLVKKOJDHCJMG-QDBORUFSSA-L
• Synonym: Acid Blue 74, C.I. 73015, 5, 5'-Indigodisulfonic acid, disodium salt
• PubChem CID: 5284351
• IUPAC Name: disodium;(2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate
• SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2N\C(C(=O)C2=C1)=C1\NC2=CC=C(C=C2C1=O)S([O-])(=O)=O

• Absorption Ratio: 0.98 to 1.07
• Dye Content: 80% min.
• Beilstein: 25, 304
• Merck Index: 15, 4982
• Solubility Information: Solubility in water: 1g/100mL (25 c). Other solubilities: slightly soluble in alcohol, practically insoluble in most other organic, solvents
• Infrared Spectrum: Authentic
• Lambda Max: 608 to 612nm
• Formula Weight: 466.34
• Grade: Pure
• Packaging: Glass bottle
• Color: Blue to Purple
• Quantity: 100 g
• Physical Form: Fine Crystalline Powder
• Chemical Name or Material: Indigo carmine, Pure

Safety and Handling

Hazard Category

• Skin sensitiser Category 1

Hazard Statement

• H317-May cause an allergic skin reaction.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/.
• P333+P313-If skin irritation or rash occurs: Get medical advice/attention.
• P362+P364-Take off contaminated clothing and wash it before reuse.

RUO – Research Use Only