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554-13-2

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Identification

Name
Lithium carbonate
CAS
554-13-2
Synonyms
CARBONIC ACID DILITHIUM SALT
CARBONIC ACID LITHIUM SALT
Dilithium acrbonate
DILITHIUM CARBONATE
LITHIUM
LITHIUM AA SINGLE ELEMENT STANDARD
LITHIUM, AAS STANDARD SOLUTION
LITHIUM AA STANDARD
LITHIUM ATOMIC ABSORPTION SINGLE ELEMENT STANDARD
LITHIUM ATOMIC ABSORPTION STANDARD
LITHIUM ATOMIC ABSORPTION STANDARD SOLUTION
LITHIUM ATOMIC SPECTROSCOPY STANDARD
Lithium carboate
LITHIUM CARBONATE
LITHIUM CARBONATE SOLUTION
LITHIUM ICP/DCP STANDARD
LITHIUM ICP STANDARD
LITHIUM IC STANDARD
LITHIUM METAL
LITHIUM METALLO-ORGANIC STANDARD
EINECS(EC#)
209-062-5
Molecular Formula
CLi2O3
MDL Number
MFCD00134051
Molecular Weight
73.89
MOL File
554-13-2.mol

Chemical Properties

Appearance
Lithium carbonate is a white hygroscopic powder.
Appearance
White or almost white powder.
Appearance
WHITE POWDER
mp 
720 °C
bp 
1342 °C(lit.)

density 
2.11 g/mL at 25 °C

Fp 
1310°C
form 
wire

Water Solubility 
13 g/L (20 ºC)
Merck 
14,5527
CAS DataBase Reference
554-13-2(CAS DataBase Reference)
NIST Chemistry Reference
Lithium carbonate(554-13-2)
EPA Substance Registry System
554-13-2(EPA Substance)

Safety Data

Hazard Codes 
Xn,C,F
Risk Statements 
R36/38:Irritating to eyes and skin .
R41:Risk of serious damage to eyes.
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
R36:Irritating to the eyes.
R34:Causes burns.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R15:Contact with water liberates extremely flammable gases.
R14:Reacts violently with water.
R11:Highly Flammable.
Safety Statements 
S8:Keep container dry .
S43:In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add-Never use water) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves .
S24/25:Avoid contact with skin and eyes .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S16:Keep away from sources of ignition-No smoking .
S7/8:Keep container tightly closed and dry .
WGK Germany 
2

RTECS 
OJ5800000


10
HS Code 
28369100
Safety Profile
Human carcinogenic data. Poison by intraperitoneal and intravenous routes. Moderately toxic by ingestion and subcutaneous routes. Human systemic effects by ingestion: toxic psychosis, tremors, changes in fluid intake, muscle weakness, increased urine volume, nausea or vomiting, allergic dermatitis. Human reproductive effects by ingestion: effects on newborn, including Apgar score changes and other neonatal measures or effects. Human teratogenic effects by ingestion: developmental abnormalities of the cardiovascular system, central nervous system, musculoskeletal and gastrointestinal systems. An experimental teratogen. Experimental reproductive effects. Experimental carcinogen producing leukemia and thyroid tumors. Human mutation data reported. Used in the treatment of manic-depressive psychoses. Incompatible with fluorine. See also LITHIUM COMPOUNDS.
Hazardous Substances Data
554-13-2(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

General Description
A white powder. Strong irritant when dissolved in water.
Reactivity Profile
A base. Decomposed by acids with the evolution of carbon dioxide. Fluorine burns fiercely on contact with LITHIUM CARBONATE(554-13-2).
Air & Water Reactions
Slightly soluble in water.
Potential Exposure
Lithium carbonate is used in treatment of manic-depressive psychoses; to make ceramics and porcelain glaze; varnishes, dyes, pharmaceuticals, coating of arc-welding electrodes; battery alloys; nucleonics, luminescent paints; glass ceramics; lubricating greases; in aluminum production
First aid
Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy
Shipping
UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required
Incompatibilities
The aqueous solution is a strong base. Reacts violently with acids, powdered calcium and fluorine.Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong acids, powdered calcium, fluorine, moisture. Corrodes aluminum, copper, zinc.

Material Safety Data Sheet(MSDS)

Questions And Answer

Chemical Properties
It is a white monoclinic powder. Slightly soluble in water (1.54 when 0 ℃, 0.72 when 100 ℃), insoluble in alcohol, soluble in acid. Dissolved amount per 100 ml of water at different temperatures (℃) in grams:
1.54g/0 ℃; 1.43g/10 ℃; 1.33g/20 ℃; 1.26g/30 ℃; 1.17g/40 ℃; 1.08g/50 ℃
1.01g/60 ℃; 0.85g/80 ℃; 0.72g/100 ℃
Description
Lithium carbonate (molecular structure is Li2CO3, English name is lithium carbonate) as a colorless monoclinic crystal or white powder. Density is 2.11. Melting point is 618 ℃. Without deliquescence, it is stable in the air. Low solubility in water, the solubility decreases with increasing temperature. Solubility in cold water is greater than hot water. It is Soluble in dilute acid, insoluble in alcohol and acetone. Carbon dioxide is introduced into the aqueous suspension of lithium carbonate, lithium carbonate is converted to lithium acid carbonate and dissolved. If the solution of lithium acid carbonate is heated and then it releases carbon dioxide and precipitates lithium carbonate. The nature of the lithium carbonate may be used to remove impurities from lithium carbonate. Since lithium ion has a strong polarizability, thus thermal stability of lithium carbonate is worse than other alkali metal carbonate, when heated to above the melting point, it will decompose to produce carbon dioxide and lithium oxide.
Uses
The lithium carbonate industry is a global high monopoly industry, the current production capacity is mainly concentrated in three foreign manufacturers of SQM, FMC, Chemetall and so on.
Industrial lithium carbonate is used in the manufacture of other lithium salts, such as lithium chloride and lithium bromide and so on. It also acts as lithium oxide materials in enamel, glass, pottery and porcelain enamel, and it is also added to the electrolytic cell for electrolysis of aluminum to increase the current efficiency and reduce the internal resistance of the cell and the bath temperature. In medicine, it is mainly used for the treatment of mania, can improve their emotional disorders for schizophrenia. It has the effect of elevating peripheral leukocytes; can be used for synthetic rubber, dyes, semiconductor and military defense industry and so on; for the production of lithium tantalate, lithium niobate and other acoustic grade single crystal, optical grade monocrystalline etc; for preparation of the acoustic grade single crystal. 
Battery grade lithium carbonate is mainly used for the preparation of lithium cobalt oxide, lithium manganese oxide, ternary materials, lithium iron phosphate and other lithium ion battery cathode materials; used in a matrix modifier; as aneuroprotective effect of lithium carbonate in amyotrophic lateral sclerosis.
Toxicity
Lithium carbonate has a significant stimulating effect, firstly has damage on the gastrointestinal tract, kidney and central nervous system. Toxicity order of lithium compounds is Li <LiCl <Li2CO3, maximum allowable concentration: Lithium condensation and fragmentation aerosol were 0.05 mg/m3 and 0.5 mg/m3.
Wear rubber gloves and protective masks when working, in order to protect the respiratory organs against dust.
Preparation
Lithium carbonate is obtained as an intermediate product in recovery of lithium metal from its ore, spodumene (See Lithium). It is prepared by mixing a hot and concentrated solution of sodium carbonate with lithium chloride or sulfate solution.
Li2SO4+ Na2CO3→Li2CO3+ Na2SO4
Reactions
Lithium carbonate reacts with dilute acids, liberating carbon dioxide:
Li2CO3+ HCl →LiCl + CO2+ H2O
Thermal decompostion yields lithium oxide and carbon dioxide:
Li2CO3 → Li2O + CO2
Reaction with lime produces lithium hydroxide:
Li2CO3+ Ca(OH)2→2LiOH + CaCO3
The carbonate reacts with molten aluminum fluoride converting to lithium fluoride:
3Li2CO3+ 2AlF3 → 6LiF + 3CO2+ Al2O3
It combines with carbon dioxide in aqueous slurry forming soluble bicarbonate, which decomposes to carbonate upon heating:
Li2CO3+ CO2+ H2O →2LiHCO3
The bicarbonate can not be separated in solid form. It exists only in solution when carbonate dissolves in water saturated with CO2under pressure.

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