Eriochrome™ Blue-Black R, Reagent Grade, LabChem™

Specifications

Chemical Identifiers

• CAS: 2538-85-4
• Molecular Formula: C20H13N2NaO5S
• Molecular Weight (g/mol): 416.383
• InChI Key: YJUGDMOGPJJWDG-UHFFFAOYSA-M
• PubChem CID: 23702480
• IUPAC Name: sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate
• SMILES: C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]

• CAS Max %: 100
• Linear Formula: HOC₁₀H₆N:NC₁₀H₅OHSO₃H
• Solubility Information: Soluble in water
• Identification: Passes Test
• Formula Weight: 416.39
• Grade: Reagent
• Packaging: Amber Glass
• Decomposition Information: Nitrogen oxides; Carbon monoxide; Carbon dioxide; Sulfur compounds
• Color: Black
• Quantity: 25 g
• Physical Form: Powder
• Chemical Name or Material: Eriochrome™ Blue-Black R

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	GHS P Statement Avoid breathing dust. Use only outdoors or in a well-ventilated area. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. If on skin: Wash with plenty of soap and water. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. If inhaled: Remove person to fresh air and keep comfortable for breathing. Call a poison center/doctor if you feel unwell. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Store locked up in a well-ventilated place. Keep container tightly closed. Dispose of contents/container to comply with local, state and federal regulations.
Recommended Storage	Room Temperature