Hematoxylin

Molecular Structure:

Molecular Formula: C₁₆H₁₄O₆
Molecular Weight: 302.28 
IUPAC Name: 7,11b-Dihydro-6H-indeno[2,1-c]chromene-3,4,6a,9,10-pentol
Synonyms of Hematoxylin (CAS NO.517-28-2): (+)-Hematoxylin ; Benz(b)indeno(1,2-d)pyran-3,4,6a,9,10(6H)-pentol, 7,11b-dihydro-, cis-(+)- ; Haematoxylin ; Hydroxybrasilin
CAS NO: 517-28-2
EINECS: 208-237-3 
H bond acceptors: 6
H bond donors: 5
Freely Rotating Bonds: 5
Polar Surface Area: 55.38 Å²
Index of Refraction: 1.81
Molar Refractivity: 76.3 cm³
Molar Volume: 176.8 cm³
Surface Tension: 108 dyne/cm
Density: 1.709 g/cm³
Flash Point: 304.5 °C
Enthalpy of Vaporization: 91.25 kJ/mol
Boiling Point: 579.9 °C at 760 mmHg
Vapour Pressure: 2.74E-14 mmHg at 25°C
Melting point:  200 °C (dec.)(lit.)
Storage temp:  Store at RT.
Colour Index: 75290
Sensitive: Light Sensitive 
Water Solubility: insoluble in water
Appearance: light brown crystals or powder
Stability: Stability Stable, but may discolour on exposure to light. Incompatible with strong oxidizing agents.
Product Categories of Hematoxylin (CAS NO.517-28-2): Colours, Dyes, Indicators & Pigments;Cytology StainsHematology and Histology;Hematology and Histology;Routine Histology Stains

  Hematoxylin (CAS NO.517-28-2) is one of the most commonly used stains in histology.

Reported in EPA TSCA Inventory.

Safety Information about  Hematoxylin (CAS NO.517-28-2):
Hazard Codes: Xn,Xi
Risk Statements: 22-36/37/38 
R22:Harmful if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.
WGK Germany: 2
RTECS: MH7875000
HS Code: 32030019
Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits acrid smoke and fumes