L-Serine

  • (s)-2-Amino-3-hydroxypropanoic acid
  • 2-Amino-3-hydroxypropanoic acid
  • alpha-Amino-beta-hydroxypropionic acid
  • beta-Hydroxyalanine
  • Serine
  • Ser
Formula
C3H7NO3
Structure
Description
White powder.
Uses
Medical use: parenteral nutrition, dietary supplement.

Registry Numbers and Inventories.
CAS
56-45-1
EC (EINECS/ELINCS)
200-274-3
RTECS
VT8100000
RTECS class
Mutagen
Merck
12,8604
Beilstein/Gmelin
1721404
Beilstein Reference
4-04-00-03118
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C3H7NO3
Formula mass
105.09
Melting point, °C
140
Boiling point, °C
259
Sublimation point, °C
150
Decomposition point, °C
228
Critical temperature
442
Critical pressure
62.2
Density
1.6 g/cm3 (22 C)
Solubility in water
250 g/L
pKa/pKb
2.21 (pKa)
Partition coefficient, pKow
-1.75

Hazards and Protection.
Storage
Store in a cool, dry place. Do not store in direct sunlight. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
31
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Exposure effects
May cause irritation to the eyes, skin and respiratory tract.
   Ingestion
May cause irritation of the digestive tract. May be harmful if swallowed.
   Inhalation
May cause respiratory tract irritation. May be harmful if inhaled.
   Skin
May cause skin irritation. May be harmful if absorbed through the skin.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.

Transport.
HS Code
2922 50 00