O-Phosphoserine

  • O-Phospho-L-serine
  • L-Serine, dihydrogen phosphate (ester
  • L-O-Serine phosphate
  • Seriphos
Formula
C3H8NO6P
Structure
Description
White powder.

Registry Numbers and Inventories.
CAS
407-41-0
EC (EINECS/ELINCS)
206-986-0
Merck
12,7520

Properties.
Formula
C3H8NO6P
Formula mass
185.07
Melting point, °C
169 - 170
Vapor pressure, mmHg
2.4E-10 (25 C)
Density
1.809 g/cm3 (20 C)
Solubility in water
50 g/L (20 C)
pKa/pKb
1.71 (pKa)
Partition coefficient, pKow
-1.86

Hazards and Protection.
Storage
Keep container tightly closed.
Protection
Protective gloves and chemical safety goggles.
Respirators
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Respiratory protection is not required. Where protection from nuisance levels of dusts are desired, use type N95 (US or type P1 (EN 143) dust masks.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Oxides of carbon, nitrogen and phosphorous.

Fire.
Fire fighting
Extinguish with water spray, carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Health
0
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
   Ingestion
May be harmful if swallowed.
   Inhalation
May be irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.
   Skin
May cause irritation. May be harmful if absorbed through the skin.
   Eyes
May cause irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If breathing becomes difficult, call a physician.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.