ALL-CLEAR SODA ASH
Dense Soda Ash
Material Safety Data Sheet
Manufactured by:
North American Chemical Company
8300 College Boulevard, Overland Park, Kansas 66210
CHEMICAL PRODUCT & COMPANY IDENTIFICATION
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PRODUCT NAME: Dense Soda Ash EMERGENCY PHONE NUMBER:
MANUFACTURER: 24 Hour Information Service: 760-372-2291
North American Chemical Company CHEMTREC: 800-424-9300
8300 College Boulevard PREPARATION/REVISION DATE: December 10,1995
Overtand Park, KS 66210 Supersedes November, 1994 version
COMPOSITION/INFORMATION ON INGREDIENTS
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Note: See Section 15 for Exposure Limits.
PRODUCT NAME: Dense Soda Ash COMPONENTS:
FORMULA: NA2CO3 Material: Dense Soda Ash
CHEMICAL NAME: Sodium Carbonate CAS Number 497-19-8
SYNONYMS: Bisodium carbonate, carbonic acid, disodium salt: carbonic Percent: 99.7%
acid sodium salt: crystal carbonate
Soda ash is hazardous under the OSHA Hazard Communication Standard based on animal chronic toxicity studies of similar organic borates.
HAZARDS IDENTIFICATION
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EMERGENCY OVERVIEW: Soda Ash is a white powdered substance that is INGESTION: Low toxicity by ingestion. If swallowed, may cause burns of the
not flammable, combustible, or explosive. Soda Ash decomposes at mouth, nose and throat. Ingestion of large quantities may produce corrosion
temperatures above 1,000oC, releasing carbon dioxide gas. Contact with eyes of the gastrointestinal tract, vomiting, diarrhea. circulatory collapse or death.
causes severe irritation and contact with skin or nose causes moderate irritation. CANCER: Soda Ash (or any component of Soda ash) is not considered a
Soda Ash has low toxic by ingestion, however, may cause burns of the carcinogen.
gastrointestinal tract if swallowed. REPRODUCTIVE: No Available
ROUTES OF EXPOSURE; Inhalation, dermal and eye contact incidental TARGET ORGANS: No target organs have been determined in humans or
ingestion. animals from Soda ash.
INHALATION: Dust causes irritation to nose, throat and respiratory tract (see SIGNS AND SYMPTOMS OF EXPOSURE: Symptoms of accidental over-
Section 15). exposure include severe eye irritation, burning sensation to the nose, throat and
EYE CONTACT: Causes severe irritation. eyes, redness and irritation of the skin, and coughing or sneezing. Ingestion
DERMAL CONTACT: Dust causes irritation and redness of skin. Sensitivity may cause severe inflation of the gastrointestinal tract, vomiting, and diarrhea.
reactions may occur from repeated topical use.
See Section 11 for details on Toxicological Data.
EMERGENCY & FIRST AID PROCEDURES
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EYES: Immediately flush eyes with plenty of water for at least 15 minutes. If symptomatically and supportively.
irritation persists, call a physician. INGESTION: If swallowed, do not induce vomiting. Give large quantities of
SKIN: Wash with soap and water until no evidence of chemical remains (15-20 water. Never give anything by mouth to an unconscious person Call a
minutes). Wash clothing before reuse. Thoroughly clean shoes before reuse. physician.
INHALATION: Remove from exposure area to fresh air immediately. Treat
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5 FIRE FIGHTING MEASURES
GENERAL HAZARD: This product is not flammable and does not support AUTOIGNITION TEMPERATURE: Not Applicable
combustion FLAMMABILITY CLASSIFICATION: Not Applicable
UEL/LEL: Not Applicable EXTINGUISHING MEDIA: Most fire extinguishing agents may be used in fires
FLASH POINT: Not Applicable involving sodium sulfate.
ACCIDENTAL RELEASE MEASURES
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ACTION TO TAKE FOR SPILLS OR LEAKS:
HANDLING & STORAGE
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GENERAL: Store in cool, dry area. Keep container tightly closed. Good HYGIENIC PRACTICES: Wash hands thoroughly with soap and water after
housekeeping should be maintained to minimize dust accumulation and handling, and before eating, drinking, or smoking.
generation.
EXPOSURE CONTROLS/PERSONAL PROTECTION
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ENGINEERING CONTROLS: Use general dilution and local exhaust excessively dusty or if skin is damaged. Wear gloves that will not allow alkaline
ventilation techniques to meet nuisance exposure limit (see Section 15). solutions to penetrate.
EYE PROTECTION: Use goggles or vented safety glasses in excessively RESPIRATORY PROTECTION: Use appropriate NIOSH/MSHA certified
dusty conditions. Ensure eyewash fountain is located in immediate work area. respirators when levels are expected to exceed exposure limits (see Section 15)
SKIN PROTECTION: Not required under normal conditions. Use if
PHYSICAL & CHEMICAL PROPERTIES
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SOLUBILITY IN WATER: 16.3% at 22.6oC pH VALUE: @ 20oC 1 % solution 11.37
APPEARANCE: White granular solid, odorless FLASH POINT: Not Applicable
MOLECULAR WEIGHT: 105.99 SPECIFIC GRAVITY: 2.533
BOILING POINT: Not Applicable VAPOR PRESSURE: Not Applicable
MELTING POINT: 851 oC
STABILITY & REACTIVITY DATA
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STABILITY: Stable under normal conditions. May react violently with strong HAZARDOUS DECOMPOSITION PRODUCTS: Soda Ash decomposes at
acids. Carbon dioxide gas and large quantities of heat can be evolved. Reacts temperatures above 1000oC, releasing carbon dioxide gas (CO2). Carbon
with hydrated lime in the presence of moisture to form caustic soda, a corrosive. dioxide is an asphyxiant and may affect respiration rate or interfere with
INCOMPATIBILITY: Keep away from aluminum powder, fluorine, phosphorous breathing. The sodium oxide residue sublimes at 1275oC, forming vapors and
pentoxide. sulfuric acid, ammoniacal silver nitrate and molten lithium. mists of caustic soda on contact with moisture or water
HAZARDOUS POLYMERIZATION: Will not occur.
TOXICOLOGICAL EFFECTS
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EYES: Dry, powdered sodium carbonate, as 25% to 75% of a mixture with dry Inhalation LC50 in the rat was 2,300 mg/m3/2 hours, mouse - 1,200 mg/m3/2
sodium sulfate. applied to eyes of rabbits and monkeys in a systematic study hours, and guinea pig - 800 mg/m3/2 hours.
was judged "corrosive" or "harmful " to both species, whether or not followed by INGESTION: Low acute oral toxicity; reported LD50s in rats was 4,090 mg/kg
irrigation at two minutes after application. However, most monkey eyes exposed of body weight. Reported LD50 in mice
to 50% mixture showed little or no persistent injury 21 days after exposure. CARCINOGENICITY: Soda Ash (or any of the components of Soda Ash) is
SKIN: An aqueous solution, 50% weight/volume, of sodium carbonate was not listed as a carcinogen by the Environmental Protection Agency (EPA), the
applied to the intact and abraded skins of rabbits and guinea pigs. The sites State of California, or the International Agency for the Research on Cancer
were examined at 4, 24, and 48 hours and scored for erythema, edema, or (IARC).
corrosion. The abraded skins of the guinea pigs were negligibly affected, but REPRODUCTIVE: An intrauterine dose of 0.085 mg/kg given to pregnant mice
the rabbit skins showed moderate erythema and edema. on day 4 of pregnancy caused preimplantation mortality.
INHALATION: Male rats were exposed to an aerosol of a 2% aqueous solution MEDICAL CONDITIONS AGGRAVATED BY EXPOSURE: Skin or eye
of sodium carbonate, 4 hours a day. 5 days a week, for 3.5 months. disorders or damaged skin may be aggravated by exposure to this product.
In observations from exposure at approximately 70 mg/cubic meter, the weight Respiratory disorders may be aggravated by exposure to this product.
gain of the exposed group was 24% less than that of controls.
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ECOLOGICAL DATA
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FISH TOXICITY: Not Available PHYTOTOXICITY: Not Available
BIRD TOXICITY: Not Available ENVIRONMENTAL FATE DATA: Occurs in nature as the hydrate.
INVERTEBRATE TOXICITY: Not Available thermonitrite, and decahydrate, natron or natrite.
DISPOSAL CONSIDERATIONS
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DISPOSAL GUIDANCE: Small quantities of Soda Ash can usually be drinking water sources.
disposed of at municipal landfill sites, and requires no special treatment. CALIFORNIA HAZARDOUS WASTE DESIGNATION: California identifies
Tonnage quantities are not, however, recommended for the landfill, and if substances with acute LD50s of less than 5.,000 mg/kg as "hazardous
possible, should be re-used for an appropriate application. Refer to state wastes". Soda Ash is therefore considered a "hazardous waste" if spilled
and local regulation for applicable site-specific requirements. Keep out of in California.
See Section 15 for details on Regulatory Information.
TRANSPORT REGULATIONS
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US DEPARTMENT of TRANSPORTATION (DOT) IDENTIFICATION INTERNATIONAL TRANSPORTATION: Soda Ash has no U.N. number, and
NUMBER: Soda Ash is not a DOT Hazardous Material or Hazardous is not regulated under international rail, highway, water, or air transport
Substance. regulations.
15 REGULATORY INFORMATION
TSCA NUMBER: 497-19-8 INTERNATIONAL AGENCY for RESEARCH on CANCER: Not listed as a
RCRA(40CFR261): Non Regulated carcinogen.
CERCLA (SUPERFUND): Not listed under any section. NTP ANNUAL REPORT ON CARCINOGENS: Not listed as a carcinogen
CLEAN WATER ACT (CWA): Soda Ash is not regulated by any water quality OSHA CARCINOGEN: Not listed as an OSHA carcinogen.
criteria under Section 304, is not listed as priority pollutant under Section 307, CONEG MODEL LEGISLATION: Meets all CONEG requirements relating to
and is not listed as a hazardous substance under Section 311. heavy metal limitations on components of packaging materials
SAFE DRINKING WATER ACT (SDWA): Not regulated under SDWA, 42 USC CALIFORNIA PROPOSITION 65: Not listed as carcinogen or reproductive
300g-1, 40 CFR 141 et seq. Consult state and local regulations for possible toxin.
water quality advisories involving boron. FEDERAL DRUG AGENCY (FDA): Pursuant to 21 CFR 582.1742 soda ash
OCCUPATIONAL EXPOSURE LIMITS: Soda Ash is listed/regulated by is approved by the FDA for use in substance added to human foods affirmed as
OSHA, CAL OSHA, or ACGIH as "Particulate Not Otherwise Classified" or generally recognized as safe (GRAS). Sodium carbonate used as a general
"Nuisance Dust". purpose food additive in animal drugs, feeds, and related products is generally
OSHA: Permissible Exposure Limit: 15 mg/m3, total dust GRAS when used in accordance with good manufacturing or feeding practice.
5 mg/m3, respirable dust WORKPLACE HAZARDOUS MATERIALS INFORMATION SYSTEMS
ACGIH: Threshold Limit Value: 10 mg/m3 (WHMIS): With the exception of the 16 section format, this MSDS conforms to
CALIFORNIA OSHA; Permissible Exposure Limit: 10mg/m3 current WHMIS standards.
OTHER INFORMATION
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OTHER INFORMATION: National Fire Protection Association (NFPA) Classification:
Product Label Text Hazard Information: 4 = Severe, 3 = Serious, 2 = Moderate, 1 = Slight, 0 = Minimal
May be harmful if swallowed. Health 2
May cause eye irritation. Flammability 0
Avoid contact with eyes, skin and clothing. Reactivity 0
Not for food or drug use. Hazardous Materials Information Systems (HMIS):
Practice good housekeeping. 4 = Extreme, 3 = High, 2 = Moderate, 1 = Slight, 0 = Insignificant
Refer to MSDS. Blue: (Acute Health) 2
KEEP OUT OF THE REACH OF CHILDREN. Red: (Flammability) 0
Yellow: (Reactivity) 0
NOTICE
Judgements as to the suitability of information herein for purchaser's purposes are necessarily purchaser's responsibility. Therefore, although
reasonable care has been taken in the preparation of such information. North American Chemical Company extends no warranties, makes no
representations, and assumes no responsibility as to the accuracy or suitability of such information for application to purchaser's intended
purposes or for consequences of its use.
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REFERENCES
American Conference of Governmental Industrial Hygienists (ACGIH). 1986. Documentation of threshold limit values and biological exposure indices. 5th
ed.
Cincinnati, OH.
American Conference of Governmental Industrial Hygienists (ACGIH). 1990. 1990-1991 Threshold limit values for chemical substances and physical agents
and biological exposure indices. Cincinnati, OH.
Budavari, S., M.J. O'Neil, A. Smith, and P.E. Heckelman, eds. 1989. The Merck Index. 11th ed. Rahway, NJ: Merck & Co., Inc.
Clayton, G.D., and F.E. Clayton, eds. 1981. Patty's industrial hygiene and toxicology. 3d ed. New York: Wiley & Sons.
Department of Transportation (DOT). 1990. 49 ?72.102. October 1.
Department of Transportation (DOT). 1991. 46 ?50.105. August 23.
International Agency for Research on Cancer (IARC). 1987. IARC monographs on the evaluation of the carcinogenic risk of chemicals to humans. Supplement
7, Overall evaluations of caranogenicity: An updating of IARC monographs 1 to 42. Lyon, France: World Health Organization
National Library of Medicine (NLM). 1991 a. Hazardous substances databank. Bethesda, M.D.
National Library of Medicine (NLM). National Institute for Occupational Safety and Health (NIOSH). Department of Health and Human Services 1991 b
Registry of toxic effects of chemical substances (RTECS).
National Toxicology Program (NTP). Division of Toxicology Research and Testing. 1991. Chemical status report. Research Triangle Park, NC. July.
Occupational Safety and Health Administration (OSHA). 1990. 29 ?1910.1000. July 1.
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