ICSC 1219 - SODIUM CITRATE DIHYDRATE

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SODIUM CITRATE DIHYDRATE

ICSC: 1219
_{November 2003}

Trisodium citrate dihydrate
2-Hydroxy-1,2,3-propanetricarboxylic acid, trisodium salt, dihydrate

CAS No: 6132-04-3
RTECS No:

C₆H₉Na₃O₉ / C₆H₅Na₃O₇.2H₂O
Molecular mass: 294.1

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Combustible.	NO open flames.	Water spray, powder.
EXPLOSION

EXPOSURE
Inhalation	Cough. Sore throat.	Ventilation (not if powder).	Fresh air, rest.
Skin			Rinse and then wash skin with water and soap.
Eyes	Redness.	Safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion		Do not eat, drink, or smoke during work.	Rinse mouth.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water.

EMERGENCY RESPONSE	SAFE STORAGE

IMPORTANT DATA
Physical State; Appearance WHITE SOLID IN VARIOUS FORMS. Chemical dangers The solution in water is a weak base. Occupational exposure limits TLV not established. MAK: IIb (not established but data is available) (DFG 2004).	Routes of exposure The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. Inhalation risk Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly when dispersed. Effects of short-term exposure The substance is irritating to the eyes and the respiratory tract.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Melting point (decomposes): 150°C Solubility in water: 77 g/100 ml

NOTES

The apparent melting point caused by loss of crystal water is given.
Card has been partly updated in April 2005. See section Occupational Exposure Limits.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004

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