L-Lysine

  • alpha,epsilon-Diaminocaproic acid
  • 2,6-Diamino hexanoic acid
  • Lysine
  • Lysine acid
  • Lys (Iupac abbreviation)
Formula
C6H14N2O2
Structure
Description
White to yellow powder.
Uses
Food enrichment, nutrient.

Registry Numbers and Inventories.
CAS
56-87-1
EC (EINECS/ELINCS)
200-294-2
RTECS
OL5540000
RTECS class
Mutagen; Reproductive Effector
Merck
12,5667
Beilstein/Gmelin
1722531
Beilstein Reference
4-04-00-02717
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C6H14N2O2
Formula mass
146.19
Melting point, °C
196
Boiling point, °C
290
Decomposition point, °C
212
Critical temperature
480
Critical pressure
39.4
Solubility in water
Very freely soluble
Partition coefficient, pKow
-1.15

Hazards and Protection.
Storage
Store in a cool, dry location in a tightly sealed container.
Handling
Avoid inhalation and contact. Avoid prolonged and repeated exposure.
Protection
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
NIOSH approved respirator.
Small spills/leaks
Wear approved protective equipment. Sweep up and place in a bag for disposal. Avoid raising dust. Ventilate area. Wash spill site after material is removed.
Stability
Stable.
Incompatibilities
Strong oxidizing agents.
Decomposition
Oxides of carbon and nitrogen.

Fire.
Flash Point,°C
211
Upper exp. limit, %
10.1
Lower exp. limit, %
1.2
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. Use agent most appropriate to extinguish fire.

Health.
Exposure effects
Causes irritation. May be harmful by inhalation, ingestion or inhalation.

First aid
 
   Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation
Although inhalation of common dust may not be considered toxic, it is certainly a hazard if there is inhalation of too many particles. Individuals should be removed from exposure to too high a concentration of even relatively non-toxic substances.
   Skin
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
   Eyes
Foreign materials in the eye may not cause a toxic reaction, but injury from a foreign body may occur. In such cases, the patient should be observed for eye irritation and should seek medical assistance if the irritation becomes significant.

Transport.
USCG CHRIS Code
LYS
 
43 Misc. water solutions
IMO Pollution Category
D