Heptadecanoic acid
  • n-Heptadecylic acid
  • n-Heptadecoic
  • Margaric acid
Formula CH3(CH2)15COOH
Structure
Description Almost white flakes.

Registry Numbers and Inventories.
CAS 506-12-7
NIH PubChem CID 10465
EC (EINECS/ELINCS) 208-027-1
EC Class R: 36/37/38, S: 26-36
RTECS MI3850000
RTECS class Other
Merck 13,5775
Beilstein/Gmelin 1781004
Beilstein Reference 4-02-00-01193
Swiss Giftliste 1 G-6000
Canada DSL/NDSL DSL
US TSCA Listed
Austrailia AICS Listed
New Zealand Listed
Japan ENCS (MITI) Listed
Korea ECL Listed
Philippiens PICCS Listed

Properties.
Formula C17H34O2
Formula mass 270.46
Melting point, °C 63
Boiling point, °C 364
Vapor pressure, mmHg 0.0003 (25 C)
Vapor density (air=1) 9.3
Density 1.02 g/cm3 (20 C)
Solubility in water Insoluble
Viscosity 6.70 cp (80 C)
Refractive index 1.4296 (70 C)
pKa/pKb 4.78 (pKa)
Partition coefficient, pKow 7.69
Heat of vaporization 59.2 kJ/mol

Hazards and Protection.
Storage Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Protection Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability Stable under normal temperatures and pressures.
Incompatibilities Oxidizing agents.
Decomposition Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Flash Point,°C 158
Fire fighting Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Health.
Poison_Class 4
Exposure effects May caues irritation of the digestive tract, eyes, skin and respiratory tract.
   Ingestion May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
   Inhalation May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
   Skin May cause skin irritation. The toxicological properties of this material have not been fully investigated.
   Eyes May cause eye irritation. The toxicological properties of this material have not been fully investigated.

First aid
 
   Ingestion Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   Inhalation Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transportation.
USCG CHRIS Code FAD  
USCG Compatatibility Group 34 Esters
IMO Chemical Code 18
IMO Pollution Category III

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