International Chemical Safety Cards

CITRIC ACID, MONOHYDRATE ICSC: 0704
CITRIC ACID, MONOHYDRATE
2-Hydroxy-1,2,3-propanetricarboxylic acid monohydrate
beta-Hydroxy tricarballylic acid monohydrate
C6H8O7.H2O/(CH2COOH)2C(OH)COOH.H2O
Molecular mass: 210.1
CAS # 5949-29-1
RTECS # GE7810000
ICSC # 0704
TYPES OF
HAZARD/
EXPOSURE 		ACUTE HAZARDS/
SYMPTOMS 		PREVENTION FIRST AID/
FIRE FIGHTING
FIRE Combustible.
NO open flames.
Powder, water spray, foam, carbon dioxide.
EXPLOSION Finely dispersed particles form explosive mixtures in air.


EXPOSURE


  • INHALATION
    		• Cough. Sore throat.
    		Local exhaust or breathing protection.
    		Fresh air, rest. Refer for medical attention.
  • SKIN
    		• Redness.
    		Protective gloves.
    		Remove contaminated clothes. Rinse skin with plenty of water or shower.
  • EYES
    		• Redness. Pain.
    		Safety goggles.
    		First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
  • INGESTION
    		• Sore throat. Mild burning sensation.
    		Do not eat, drink, or smoke during work.
    		Rinse mouth. Refer for medical attention.
    SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING
    Vacuum spilled material. Wash away remainder with plenty of water.
    		Separated from strong bases, oxidants.

    SEE IMPORTANT INFORMATION ON BACK
    ICSC: 0704 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities © IPCS CEC 1993

    International Chemical Safety Cards

    CITRIC ACID, MONOHYDRATE ICSC: 0704

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    PHYSICAL STATE; APPEARANCE:
     SLIGHTLY DELIQUESCENT WHITE CRYSTALS.

    PHYSICAL DANGERS:

    CHEMICAL DANGERS:
     The solution in water is a medium strong acid. Reacts violently with metal nitrates. Reacts with strong bases and oxidants. The substance will corrode copper, zinc, aluminium, and their alloys.

    OCCUPATIONAL EXPOSURE LIMITS (OELs):
     TLV not established.


    		ROUTES OF EXPOSURE:
     The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.

    INHALATION RISK:

    EFFECTS OF SHORT-TERM EXPOSURE:
     The substance irritates the eyes and the respiratory tract.


    PHYSICAL
    PROPERTIES
    Decomposes below boiling point
    Melting point: 100°C
    Relative density (water = 1): 1.5
    Solubility in water: soluble
    		 Auto-ignition temperature: 1010°C
    Explosive limits, vol% in air: 0.28-2.29
    Octanol/water partition coefficient as log Pow: -1.72
    ENVIRONMENTAL
    DATA
    NOTES
    Temperature of decomposition unknown in literature.
    ADDITIONAL INFORMATION


    ICSC: 0704 CITRIC ACID, MONOHYDRATE
    © IPCS, CEC, 1993
    IMPORTANT LEGAL NOTICE: Neither the CEC or the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use.