Pimelic acid

  • Pileric acid
  • Heptanedioic acid
  • 1,7-Heptanedioic acid
  • 1,5-Pentanedicarboxylic acid
Formula
HOOC(CH2)5COOH
Structure
Description
White to light beige solid.

Registry Numbers and Inventories.
CAS
111-16-0
EC (EINECS/ELINCS)
203-840-8
EC Class
irritant
R 36/37/38
RTECS
TK3677000
RTECS class
Other
Merck
12,7585
Beilstein/Gmelin
1210024
Beilstein Reference
4-02-00-02003
Swiss Giftliste 1
G-2755
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C7H12O4
Formula mass
160.17
Melting point, °C
101 - 103
Boiling point, °C
354
Vapor pressure, mmHg
6E-6 (25 C)
Density
1.372 g/cm3 (-143 C)
Solubility in water
Very soluble
Viscosity
5.36 cp (150 C)
pKa/pKb
4.43 (pKa)
Partition coefficient, pKow
0.27
Heat of fusion
25.0 kJ/mol
Heat of vaporization
65.8 kJ/mol

Hazards and Protection.
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. 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
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Disposal code
4
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizers, bases, reducing agents
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
182
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Poison_Class
-
Exposure effects
   Ingestion
May cause irritation of the digestive tract. Expected to be a low ingestion hazard.
   Inhalation
May cause respiratory tract irritation. Low hazard for usual industrial handling.
   Skin
May cause skin irritation. Low hazard for usual industrial handling.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
   Inhalation
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
   Skin
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
HS Code
2917 19 90