MATERIAL SAFETY DATA SHEET SODIUM CARBONATE
PRODUCT CODE NUMBER(S): 7480-1, 7520-1, 7523-1
PRODUCT IDENTIFICATION Reacts with water vapour above 400掳C to form sodium hy-
droxide and carbon dioxide. Reaction with acids may be
Chemical Name and Synonyms: Sodium carbonate; Car- violent, generating heat and carbon dioxide gas. Reacts with
bonic acid, disodium salt; Disodium carbonate; Soda ash calcium hydroxide, or calcium oxide in the presence of mois-
Chemical Family: Carbonates ture, to form caustic soda (NaOH) which may cause burns.
Mixtures with magnesium, phosphorus pentoxide, aluminum
Chemical Formula: Na2CO3 and Na2CO3. H2O
if the metal is red hot, will explode. Mixtures with ammonia
Product Use: Laboratory chemical
and silver nitrate explode when warmed. Ignites and burns
Manufacturer鈥檚 Name and Address: fiercely with lithium. Burning lithium releases reactive so-
Caledon Laboratories Ltd. dium on contact. 1% sodium carbonate reduces the
40 Armstrong Avenue, explosion temperature of 2,4,6-trinitrotoluene. Corrodes alu-
minum and lead at room temperature. Not corrosive to
Georgetown, Ontario L7G 4R9
steel, iron, copper, or nickel, although at temperatures
Telephone No: (905) 877-0101
>1200掳C can attack iron, copper, nickel. Solutions are corro-
Fax No: (905) 877-6666 sive to aluminum, lead, zinc, zinc brasses. Solutions attack
Emergency Telephone No: CANUTEC (613) 996-6666 some forms of plastics, and coatings.
Reactivity: Avoid excessive heat, ignition sources, mois-
HAZARDOUS INGREDIENTS OF MATERIALS ture, all incompatible materials, generation of dust.
Hazardous Decomposition Products: CO2
Ingredients % TLV Units CAS No.
FIRE AND EXPLOSION DATA
3
Sodium carbonate >99 10 mg/m 497-19-8
anhydrous Flammability: Not combustible. Closed containers may
rupture violoently In heat of fire.
OR
Extinguishing Media: Use extinguishing media appropri-
10 mg/m3
Sodium carbonate >99 5968-11-6
ate to the surrounding fire. Water in flooding amounts can
monohydrate
be used to cool containers, prevent dust formation, flush
chemcial away from fire. Fight fire from upwind, from a safe
PHYSICAL DATA distace. Firefighters should wear protective equipment and
clothing sufficient to prevent inhalation of dust or fumes and
Physical State: Solid
contact with skin and eyes.
Odour and Appearance: White to grey crystals, powder, or
Flash Point (Method Used): Not applicable
lumps, odourless
Autoignition Temperature: Not applicable
Odour Threshold (ppm): Not applicable
Upper Flammable Limit (% by volume): Not applicable
Vapour Pressure (mm Hg): Negligible
Lower Flammable Limit (% by volume): Not applicable
Vapour Density (Air = 1): Not applicable
Hazardous Combustion Products: CO2, toxic and irritat-
Evaporation Rate: Not applicable
ing vapours.
Boiling point: Not available
Sensitivity to Impact: None identified
Melting Point (degrees C): 851掳C (anhydrous); 100掳C
Sensitivity to Static discharge: None identified
(monohydrate)
pH: 11.4 (1% solution) @ 25掳C
TOXICOLOGICAL PROPERTIES AND HEALTH DATA
Specific Gravity: 2.53 (anhydrous); 2.25 (monohydrate)
Coefficient of Water/Oil distribution: Not available Toxicological Data:
Solubility in water: 17-33 g/100 mL@ 20掳C LD50: (oral, rat) 4,090 mg/kg
LC50: (male rat) 1,150 mg/m3/4h (aerosol, 91%); (rat) 2,300
SHIPPING DESCRIPTION mg/m3/2h
UN: Not regulated
Effects of Acute Exposure to Product:
T.D.G. Class: Not regulated
Pkg. Group: Not regulated Inhaled: No human information available; animal studies in-
dicate it to be irritating to tissue of upper respiratiry tract.
REACTIVITY DATA May cause sore throat, coughing, sneezing, shortness of
breath.
Chemical Stability: Stable, hygroscopic. Absorbs mois- In contact with skin: Human and animal information indi-
ture and carbon dioxide from air to form sodium bicarbonate. cates not irritating or only mildly irritating to skin.
Incompatibility with other substances: Slowly decom- In contact with eyes: Lacrymator. No human information
poses at 400掳C, forming sodium oxide and carbon dioxide. available; animal studies indicate it to cause moderate to se-
SODIUM CARBONATE
MSDS
CODE: 7480-1, 7520-1, 7523-1
vere irritation to eye tissue, causing redness, tearing, Environmental Effects: Aquatic Toxicity (96 hr TLM):
blurring of vision. Daphnia Magna: 500 ppm; Lepomis Macrochirus: 300 ppm
Ingested: No human information available; animal studies
FIRST AID MEASURES
indicate low toxicity by ingestion. May cause gastrointestinal
irritation, nausea, vomiting, diarrhea.
Specific Measures:
Effects of Chronic Exposure to Product: Eyes: Flush with running water for at least twenty (20) min-
utes, or until all traces of chemcial are removed, holding
Prolonged or repeated skin contact may produce dermatitis,
eyelids open while flushing. Take care not to flush contami-
or 鈥渟oda ulcers鈥? on hands. Prolonged or repeated inhalation
nated water into unaffected eye. Get medical attention
may cause thinning or perforation of the nasal septum.
immediately.
Carcinogenicity: Not classifiable as carcinogenic.
Skin: Remove contaminated clothing. Brush or wipe off
Teratogenicity: No human information available; some ef- dry material. Flush skin with plenty of running water until no
fects in animal studies evidence of chemical remains. Get medical attention if irri-
Reproductive Effects: No human or animal information tation develops.
available Inhalation: Remove to fresh air. Give oxygen and get
Mutagenicity: No information available medical attention for breathing difficulty.
Synergistic Products: None known Ingestion: If victim is alert and NOT convulsing, rinse
mouth, give several glasses of water to drink to dilute. If
PREVENTIVE MEASURES discomfort occurs, or if a large amount has been ingested,
get medical attention.
Engineering Controls: Local exhaust ventilation to control
REFERENCES USED
dust.
Respiratory Protection: Dust/mist mask. Up to 10x TLV,
CCINFO disc: Cheminfo
or the maximum use specified by the respirator supplier,
whichever is lowest, NIOSH/OSHA approved half- face Budavari: The Merck Index, 12th ed., 1997
dust/mist filter respirator. Up to 50x TLV, or the maximum Sax, Lewis: Hawley鈥檚 Condensed Chemical Dictionary, 11th
use specified by the respirator supplier, whichever is lowest, ed., 1987
NIOSH/OSHA approved full face-piece dust/mist filter respi-
Sax: Dangerous Properties of Industrial Materials, 5th ed.,
rator. Higher or unknown concentrations, or for fire or spill
1979
conditions, self-contained breathing apparatus, or full
face-piece, positive-pressure supplied-air respirator. Suppliers鈥? Material Safety Data Sheets
Eye Protection: Chemical safety goggles or face shield.
ADDITIONAL INFORMATION
Do not wear contact lenses when working with chemicals.
Skin Protection: Wear natural or nitrile rubber, or neo-
Date Issued: February 23, 1989
prene gloves. Other protective clothing, long sleeves,
Revision: April 2008
apron, coverall,s boots. sufficient to prevent contact.
MSDS: 7480-1, 7520-1, 7523-1
Other Personal Protective Equipment: Eye wash and
safety shower in work area. Proposed WHMIS Designation: D2B
Leak and Spill Procedure: Ventilate area of spill.
Clean-up personnel should wear protective equipment and Prepared by: Caledon Laboratories Ltd. (905) 877-0101
clothing sufficient to prevent inhalation of dusts or vapours Caledon Laboratories Ltd. believes the information contained
and contact with skin and eyes. Mix with inert absorbent,
herein is reliable and accurate. Caledon makes no warranty
gather up and place in suitable containers for reclamation or
with respect thereto and expressly disclaims all liability for reli-
disposal. Solutions may be diluted and neutralized carefully,
ance thereon. Such information is solely for your consider-
with dilute acetic or hydrochloric acid. Prevent from entering
ation, investigation, and verification.
sewers or waterways. Flush site of spill thoroughly with co-
pious amounts of water.
Waste Disposal: Follow all federal, provincial and local
regulations for disposal.
Handling Procedures and Equipment: IRRITANT, COR-
ROSIVE TO METALS. Workers using this mateiral must be
thoroughly trained in its hazards and its safe use, and must
wear appropriate protective euqipment and clothing. Follow
routine safe handling procedures and good housekeeping
procedures; keep work area free of extraneous materials.
Use the smallest amount possible for the purpose, in desig-
nated areas with adequate ventilation. Avoid all contact with
skin, eyes, and clothing and inhalation of mists or vapours.
Wash thoroughly after handling. Empty containers may con-
tain hazardous residues; treat with caution.
Storage Requirements: Store in suitable, labelled contain-
ers, in a cool, dry, well-ventilated area, out of direct sunlight
and away from incompatible materials. Keep containers
tightly closed when not in use and when empty. Protect
from damage and inspect frequently for signs of damage or
leaking.
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