Hydroxypropanedioic acid

  • Tartronic acid
  • Hydroxymalonic acid
Formula
HOCH(COOH)2
Structure
Description
Powder.

Registry Numbers and Inventories.
CAS
80-69-3
EC (EINECS/ELINCS)
201-301-1
R: 36/37/38
S: 26 37
Merck
12,9240

Properties.
Formula
C3H4O5
Formula mass
120.06
Melting point, °C
153 - 155
Boiling point, °C
308
Vapor pressure, mmHg
7.2E-11 (25 C)
Density
1.841 g/cm3 (20 C)
Solubility in water
Very soluble
pKa/pKb
1.98 (pKa)
Partition coefficient, pKow
-0.26

Hazards and Protection.
Storage
Keep container tightly sealed. Store in cool, dry place in tightly closed containers. Ensure good ventilation at the workplace.
Protection
Safety goggles, impervious gloves and protective work clothing.
Stability
Decomposition will not occur if used and stored according to specifications
Incompatibilities
Oxidizing agents.
Decomposition
Oxides of carbon.

Fire.
Fire fighting
Suitable extinguishing agents: Carbon dioxide, extinguishing powder or water spray. Fight larger fires with water spray or alcohol resistant foam. Wear self-contained respirator. Wear fully protective impervious suit.
Health
1
 
Flammability
1
 
 
Reactivity
1
 

Health.
Exposure effects
Causes irritation of the skin, eyes and mucous membranes.

First aid
 
   Ingestion
Seek immediate medical advice.
   Inhalation
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
   Skin
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
   Eyes
Rinse opened eye for several minutes under running water. Then consult a doctor.

Transport.