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Indigo Carmine - 5,5'-indigodisulfonic acid sodium salt - pH Indicator Pure - 100g
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Description
INDIGO CARMINE
CAS: 860-22-0
Formula: C16H8N2Na2O8S2
Description:
Indigo carmine, also known as 5,5'-indigodisulfonic acid sodium salt, is a blue synthetic dye commonly used in medical diagnostics, as a pH indicator, and in the food industry as a colorant (E132). It is generally safe for use in regulated quantities but may pose mild health and environmental risks in concentrated forms.
Safety Data:
-
Signal Word: Warning
-
Hazard Statements (H):
- H319: Causes serious eye irritation.
- H335: May cause respiratory irritation.
-
Precautionary Statements (P):
- P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
- P264: Wash hands thoroughly after handling.
- P271: Use only outdoors or in a well-ventilated area.
- P280: Wear protective gloves/eye protection/face protection.
- P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P337+P313: If eye irritation persists: Get medical advice/attention.
Pictogram Name:
- ⚠️ Exclamation Mark (Indicates eye and respiratory irritation)
Indigo carmine is generally considered low-risk in small amounts but should still be handled with care in its concentrated form. Avoid inhalation and direct contact with skin and eyes, and ensure adequate ventilation during handling.