Sodium citrate dihydrate

  • Trisodium citrate dihydrate
  • Citric acid, trisodium salt dihydrate
  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trisodium salt, dihydrate
Formula
C6H5Na3O7.2H2O
Structure
Description
Odorless white granules.
Uses
Food additive.

Registry Numbers and Inventories.
CAS
6132-04-3
EC (EINECS/ELINCS)
200-675-3
Merck
12,8746
Beilstein/Gmelin
6104939
Beilstein Reference
4-03-00-01272
Swiss Giftliste 1
G-7581
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C6H5Na3O7 . 2H2O
Formula mass
294.10
Melting point, °C
150
Density
1.84 g/cm3
Solubility in water
720 g/L (25 C)

Hazards and Protection.
Storage
Keep from contact with oxidizing materials. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective 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. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions.
Disposal code
14
Stability
Stable under normal shipping and handling conditions.
Incompatibilities
Strong oxidizers
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Fire fighting
Extinguish fire using regular foam, water fog, carbon dioxide, sand. Wear a self-contained breathing apparatus with a full facepiece operated in the positive pressure demand mode with appropriate turn-out gear and chemical resistant personal protective equipment.
Health
0
 
Flammability
1
 
 
Reactivity
0
 

Health.
Poison_Class
-
Exposure effects
   Ingestion
Ingestion of large amounts may cause gastrointestinal irritation.
   Inhalation
May cause respiratory tract irritation. Low hazard for usual industrial handling.
   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. Wash clothing before reuse.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
HS Code
2918 15 00