Molecular Formula: C₁₆H₃₂O₅
Molar mass: 304.4223 g/mol
EINECS: 232-692-7
Density: 1.085 g/cm³
Flash Point: 280.4 °C
Index of Refraction: 1.498
Boiling Point: 516.7 °C at 760 mmHg
Vapour Pressure: 7.78E-13 mmHg at 25°C
Melting point: 100-101 °C(lit.)
Appearance: White to beige crystalline powder
Product categories: Fatty & Aliphatic Acids, Esters, Alcohols & Derivatives
Structure of 9,10,16-Trihydroxy palmitic acid (533-87-9):
 
XLogP3-AA: 2.5
H-Bond Donor: 4
H-Bond Acceptor: 5
Systematic Name: 9,10,16-Trihydroxyhexadecanoic acid 
SMILES: O=C(O)CCCCCCCC(O)C(O)CCCCCCO 
InChI: InChI=1/C16H32O5/c17-13-9-5-4-7-11-15(19)14(18)10-6-2-1-3-8-12-16(20)21/h14-15,17-19H,1-13H2,(H,20,21) 
InChIKey: MEHUJCGAYMDLEL-UHFFFAOYAO 
Std. InChI: InChI=1S/C16H32O5/c17-13-9-5-4-7-11-15(19)14(18)10-6-2-1-3-8-12-16(20)21/h14-15,17-19H,1-13H2,(H,20,21) 
Std. InChIKey: MEHUJCGAYMDLEL-UHFFFAOYSA-N

Carcinogenicity of 9,10,16-Trihydroxy palmitic acid (533-87-9) hasn't been listed as a carcinogen by NTP, IARC,ACGIH, or CA Prop 65. And its toxicological properties have not been fully investigated.

Reported in EPA TSCA Inventory.

Poison by intravenous route. When heated to decomposition it emits acrid smoke and irritating fumes.
 

Safety Statements:
22:  Do not breathe dust
24:  Avoid contact with skin
25:  Avoid contact with eyes

 9,10,16-Trihydroxy palmitic acid (533-87-9) also can be called Aleuritolic acid ; Aleuritic acid ; erythro-Aleuritic acid ; beta-Aleuritic acid and DL-erythro-Aleuritic acid .It is hazardous,so the first aid measures and others should be known.Such as: When on the skin: first,should  flush skin with plenty of water immediatelyfor at least 15 minutes while removing contaminated clothing. Secondly,Get shoesmedical aid . Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.Then get medical aid soon.While ,it's Inhaled: Remove from exposure and move to fresh air immediately.Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product : If victim is conscious and alert, give 2-4 cupfuls of milk or water, and get medical aid immediately.
In addition, 9,10,16-Trihydroxy palmitic acid (533-87-9) can be stable under normal temperature and pressure conditions.It is not compatible with strong oxidizing agents, and you must not take it with incompatible materials.And also prevent it to broken down into hazardous decomposition products: irritating and toxic fumes and gases.Also known its polymerization is hazardous.