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Name Sodium carbonate
CAS 497-19-8
EINECS(EC#) 231-867-5
Molecular Formula CNa2O3
MDL Number MFCD00003499
Molecular Weight 105.99
MOL File 497-19-8.mol

Chemical Properties

Appearance white odourless powder
Melting point  851 °C (lit.)
Boiling point  1600°C
density  2.53
refractive index  1.535
storage temp.  2-8°C
solubility  H2O: 1 M at 20 °C, clear, colorless
form  Solid
color  White
Specific Gravity 2.532
Odor at 100.00?%. odorless
PH 11.16 (4g/l, H2O, 25℃)
pka (1) 6.37, (2) 10.25 (carbonic (at 25℃)
Stability: Stable. Incompatible with powdered alkaline earth metals, aluminium, organic nitro compounds, fluorine, alkali metals, nonmetallic oxides, concentrated sulfuric acid, oxides of phosphorus.
Water Solubility  22 g/100 mL (20 ºC)
Sensitive  Hygroscopic
λmax λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01
Merck  14,8596
BRN  4154566
Sodium Carbonate is an alkali that exists as crystals or crystalline powder and is readily soluble in water. it has numerous functions: an antioxidant, a curing and pickling agent, a flavoring agent, a processing aid, a sequestrant, and an agent for ph control. it is used in instant soups to neutralize acidity. it is used in alginate water des- sert gels to sequester the calcium, allowing the alginate to solubilize. it is also used in puddings, sauces, and baked goods.
CAS DataBase Reference 497-19-8(CAS DataBase Reference)
NIST Chemistry Reference Sodium carbonate(497-19-8)
EPA Substance Registry System 497-19-8(EPA Substance)

Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R32:Contact with acids liberates very toxic gas.
R36:Irritating to the eyes.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R36/37/38:Irritating to eyes, respiratory system and skin .
R41:Risk of serious damage to eyes.
R37/38:Irritating to respiratory system and skin .
Safety Statements 
S36/37:Wear suitable protective clothing and gloves .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S22:Do not breathe dust .
S36:Wear suitable protective clothing .
S39:Wear eye/face protection .
RIDADR  UN 3082 9/PG 3
WGK Germany  2
RTECS  XN6476000
HS Code  28362000
Safety Profile
Poison by intraperitoneal route. Moderately toxic by inhalation and subcutaneous routes. Mlldly toxic by ingestion. Experimental reproductive effects. A skin and eye irritant. It migrates to food from packagmg materials. Can react violently with Al, P2O5, H2SO4, F2, Li, 2,4,6-trinitrotoluene. When heated to decomposition it emits toxic fumes of Na2O
Hazardous Substances Data 497-19-8(Hazardous Substances Data)

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Hazard Information

Material Safety Data Sheet(MSDS)

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