Błękit disiarczynowy

Disulfine Blue
Other Names: Patent Blue V, Acid Blue 3, Sodium tetrakis(p-diethylaminophenyl)methane sulfonate

CAS Number: 3536-49-0
Sum Formula: C₂₇H₃₁N₂NaO₇S₂
Molar Mass: 582.66 g/mol
Appearance: Dark green to blue powder

Disulfine Blue, also known as Patent Blue V, is a synthetic organic dye from the triarylmethane class. It is highly soluble in water and used in applications that require visible coloration, particularly in analytical chemistry, histology, and dye tracing.

Chemical and Physical Properties
Density: Approx. 1.5 g/cm³ (estimated)
Melting Point: > 250°C (decomposes)
Boiling Point: Not applicable (decomposes)
Solubility in Water: Freely soluble
Solubility in Other Solvents: Slightly soluble in ethanol; insoluble in nonpolar solvents
Odor: Odorless

Applications
Analytical Chemistry: Used as a pH-sensitive dye and tracer compound.
Biological Staining: Applied in histological staining procedures.
Hydrological Studies: Utilized in visibility and dye tracing for water flow analysis.
Textile Industry: Occasionally used for synthetic fabric coloration in non-consumer applications.

Safety
Signal Word: Warning

Hazard Statements:
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.

Precautionary Statements:
P261: Avoid breathing dust.
P264: Wash hands thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear protective gloves and eye 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.

Handling and Storage
Storage Conditions: Store in tightly closed containers in a dry, cool, and well-ventilated area. Protect from light and humidity.
Handling Precautions: Avoid inhalation of dust and contact with skin or eyes. Use appropriate personal protective equipment and handle in accordance with good laboratory practices.