Sodium citrate

  • 2-Hydroxy-1,2,3-propanetricarboxylic acid, trisodium salt
  • Sodium citrate, trihydrate
  • Citrosodine
Formula
C6H5Na3O7
Structure
Description
White, odorless granules or powder.
Uses
As a pharmaceutic aid, sodium citrate is used to prevent darkening when iron is added to preparations containing tannin.

Registry Numbers and Inventories.
CAS
68-04-2
EC (EINECS/ELINCS)
200-675-3
RTECS
GE8300000
RTECS class
Other
Merck
12,8746
Beilstein/Gmelin
3920956
Beilstein Reference
4-03-00-01272
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C6H5O7*3Na
Formula mass
258.07
Melting point, °C
150
Density
1.815 g/cm3 (20 C)
Solubility in water
720 g/L

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Skin: Wear appropriate 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.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, reducing agents, bases.
Decomposition
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. 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.
Hazards
Fine dust dispersed in air in sufficient concentrations, and inthe presence of an ignition source is a potential dust explosionhazard.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
   Ingestion
Ingestion of large amounts may cause gastrointestinal irritation.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation. No information regarding skin irritation and other potential effects was found.
   Eyes
Dust may cause mechanical 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. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.