IUPAC Name: 2,3,4,5-Tetrahydroxyhexanedioic acid
CAS: 526-99-8
Formula: C₆H₁₀O₈
Molecular Weight: 210.14
Molecular Structure of 2,3,4,5-Tetrahydroxyhexanedioic acid (526-99-8):

Melting Point: 220-225 °C(lit.)
Density: 1.939 g/cm³ 
Flash Point: 431.2 °C 
Boiling Point: 766.4 °C at 760 mmHg  
Index of Refraction: 1.638
Appearance: white to light beige fine crystalline powder
Molar Refractivity: 38.94 cm³ 
Molar Volume: 108.3 cm³ 
Polarizability: 15.44 ×10^-24cm³ 
Surface Tension: 137.2 dyne/cm 
Enthalpy of Vaporization: 127.27 kJ/mol 
Vapour Pressure: 4.04E-27 mmHg at 25°C 
Water Solubility: 1e+006(mg/L) at 25°C

Reported in EPA TSCA Inventory.

Mildly toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Information about 2,3,4,5-Tetrahydroxyhexanedioic acid (526-99-8):
Hazard Codes: 
Xi:
Xn:
Risk Statements about 2,3,4,5-Tetrahydroxyhexanedioic acid (526-99-8): 
R22: Harmful if swallowed.
R40: Limited evidence of a carcinogenic effect.
Safety Statements about 2,3,4,5-Tetrahydroxyhexanedioic acid (526-99-8):
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
S36/37: Wear suitable protective clothing and gloves.
WGK Germany: 2
RTECS: LW5180000

  The chemical synonyms of 2,3,4,5-Tetrahydroxyhexanedioic acid (526-99-8) are Saccharolactic acid ; Tetrahydroxyhexanedioic acid ; Tetrahydroxyadipic acid ; Mucic acid ; Galactosaccharic acid ; Galactaric acid ; Galacteric acid ; Mucic acid ; D-galactaric acid ; Galactosaccharic acid ; Galactaric acid ; Galacteric acid . Some useful infamation about the operate and store of the product:Wear safety glasses and chemical goggles if splashing is possible.Wear safety glasses and chemical goggles if splashing is possible.Wear appropriate protective clothing to minimize contact with skin. Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.Store in a cool, dry place. Keep container closed when not in use.