IUPAC Name: [9-(2-Carboxy-6-isothiocyanatophenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium chloride
Molecular Formula: C₂₉H₃₀ClN₃O₃S
Molecular Weight: 536.08 g/mol
Canonical SMILES: CCN(CC)C1=CC2=C(C=C1)C(=C3C=CC(=[N+](CC)CC)C=C3O2)C4=C(C=CC=C4N=C=S)C(=O)O.[Cl-]
EINECS: 253-248-9
Classification Code: Coloring Agents; Fluorescent dyes; Indicators and Reagents; Luminescent Agents
Stability: Stable, but may be sensitive to light or moisture. Store dark and dry. Incompatible with strong oxidizing agents.
H-Bond Donor: 1
H-Bond Acceptor: 6
Rotatable Bond Count: 8
Storage temperature: 2-8 °C
Molar Volume: 403.4 cm³
Polarizability: 57.54 10^-24 cm³
Surface Tension: 45.1 dyne/cm
Density: 1.23 g/cm³
Flash Point: 387.6 °C
Enthalpy of Vaporization: 104.81 kJ/mol
Boiling Point: 717.2 °C at 760 mmHg
Vapour Pressure of Rhodamine B isothiocyanate (CAS NO.36877-69-7): 2.02E-20 mmHg at 25 °C

Hazard Codes: Xn
Risk Statements: 20/21/22-36/37/38-42 
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38: Irritating to eyes, respiratory system and skin. 
R42: May cause sensitization by inhalation.
Safety Statements: 22-26-45 
S22: Do not breathe dust. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3335
WGK Germany of Rhodamine B isothiocyanate (CAS NO.36877-69-7): 3

  Rhodamine B isothiocyanate (CAS NO.36877-69-7), its Synonyms are Rhodamine isothiocyanate ; 9-(2-Carboxy-5(or 6)-isothiocyanatophenyl)-3,6-bis(diethylamino)xanthylium chloride ; Xanthylium, 9-(2-carboxy-5(or 6)-isothiocyanatophenyl)-3,6-bis(diethylamino)-, chloride ; Xanthylium, 9-(2-carboxy-5(or 6)-isothiocyanatophenyl)-3,6-bis(diethylamino)-, chloride (1:1) . It is solid.