AP Statistics: Chapter 12.2: Inference for TWO ProportionsIn two-sample problems, we want to compare responses ot two independent samples. In chapter 11, we compare two means using a two-sample t procedures. In chapter 15, we will compare two standard deviations using an F statistic. In a two-sample proportion problem (this section) we want to compare two populations or the responses of two
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Material Safety Data Sheet
Lithium carbonate MSDS
Section 1: Chemical Product and Company Identification
Product Name: Lithium carbonate
Catalog Codes: SLL1198, SLL1576, SLL1951
14025 Smith Rd.
US Sales: 1-800-901-7247
International Sales: 1-281-441-4400
TSCA: TSCA 8(b) inventory: Lithium carbonate
CI#: Not available.
CHEMTREC (24HR Emergency Telephone), call:
Synonym: Lithchips; Dilithium Carbonate; Carbonic Acid,
International CHEMTREC, call: 1-703-527-3887
Chemical Name: Lithium Carbonate
For non-emergency assistance, call: 1-281-441-4400
Chemical Formula: Li2CO3
Section 2: Composition and Information on Ingredients
% by Weight
Toxicological Data on Ingredients: Lithium carbonate: ORAL (LD50): Acute: 525 mg/kg [Rat]. 531 mg/kg [Mouse]. DERMAL
(LD50): Acute: >2000 mg/kg [Rat].
Section 3: Hazards Identification
Potential Acute Health Effects:
Hazardous in case of eye contact (irritant), of ingestion, of inhalation. Slightly hazardous in case of skin contact (irritant).
Potential Chronic Health Effects:
Slightly hazardous in case of skin contact (sensitizer). CARCINOGENIC EFFECTS: Not available. MUTAGENIC EFFECTS:
Mutagenic for mammalian somatic cells. TERATOGENIC EFFECTS: Not available. DEVELOPMENTAL TOXICITY: Not
available. The substance may be toxic to kidneys, peripheral nervous system, central nervous system (CNS), thyroid.
Repeated or prolonged exposure to the substance can produce target organs damage.
Section 4: First Aid Measures
Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15minutes. Cold water may be used. Get medical attention.
Skin Contact: Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.
Serious Skin Contact: Not available.
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical
Serious Inhalation: Not available.
Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious
person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a collar,
tie, belt or waistband.
Serious Ingestion: Not available.
Section 5: Fire and Explosion Data
Flammability of the Product: Non-flammable.
Auto-Ignition Temperature: Not applicable.
Flash Points: Not applicable.
Flammable Limits: Not applicable.
Products of Combustion: Not available.
Fire Hazards in Presence of Various Substances: Not applicable.
Explosion Hazards in Presence of Various Substances:
Risks of explosion of the product in presence of mechanical impact: Not available. Risks of explosion of the product in
presence of static discharge: Not available.
Fire Fighting Media and Instructions: Not applicable.
Special Remarks on Fire Hazards: Ignites and burns fiercely when in contact with fluorine.
Special Remarks on Explosion Hazards: Not available.
Section 6: Accidental Release Measures
Use appropriate tools to put the spilled solid in a convenient waste disposal container. If necessary: Neutralize the residue with
a dilute solution of acetic acid. Finish cleaning by spreading water on the contaminated surface and dispose of according to
local and regional authority requirements.
Use a shovel to put the material into a convenient waste disposal container. Neutralize the residue with a dilute solution
of acetic acid. Finish cleaning by spreading water on the contaminated surface and allow to evacuate through the sanitary
Section 7: Handling and Storage
Keep locked up. Do not ingest. Do not breathe dust. Avoid contact with eyes. Wear suitable protective clothing. In case
of insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical advice immediately and show the
container or the label. Keep away from incompatibles such as oxidizing agents, acids.
Storage: Keep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above 25°C (77°F).
Section 8: Exposure Controls/Personal Protection
Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended
exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants
below the exposure limit.
Splash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves.
Personal Protection in Case of a Large Spill:
Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used to avoid
inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this
Exposure Limits: Not available.
Section 9: Physical and Chemical Properties
Physical state and appearance: Solid. (Granular solid. Powdered solid.)
Taste: Not available.
Molecular Weight: 73.89 g/mole
pH (1% soln/water): 11.2 [Basic.]
Boiling Point: Decomposition temperature: 1310°C (2390°F)
Melting Point: 720°C (1328°F)
Critical Temperature: Not available.
Specific Gravity: 2.11 (Water = 1)
Vapor Pressure: Not applicable.
Vapor Density: Not available.
Volatility: Not available.
Odor Threshold: Not available.
Water/Oil Dist. Coeff.: Not available.
Ionicity (in Water): Not available.
Dispersion Properties: Not available.
Partially soluble in cold water. Very slightly soluble in hot water. Insoluble in acetone. 1 g dissolves in 78 ml of cold water and
in 140 ml of boiling water. Solubility in water: 1.52% at o C.; 1.31% at 20 C; 1.16 % at 40 C; 1.00 at 60 C; .84 % at 80 C; .71 %
at 100 C. Practically insoluble in alcohol. Insoluble in Ethanol. Soluble in acid. Insoluble in ammonia.
Section 10: Stability and Reactivity Data
Stability: The product is stable.
Instability Temperature: Not available.
Conditions of Instability: Incompatible materials
Incompatibility with various substances: Reactive with oxidizing agents, acids.
Corrosivity: Non-corrosive in presence of glass.
Special Remarks on Reactivity: Reacts violently with Fluorine.
Special Remarks on Corrosivity: Not available.
Polymerization: Will not occur.
Section 11: Toxicological Information
Routes of Entry: Inhalation. Ingestion.
Toxicity to Animals:
Acute oral toxicity (LD50): 525 mg/kg [Rat]. Acute dermal toxicity (LD50): >2000 mg/kg [Rat].
Chronic Effects on Humans:
MUTAGENIC EFFECTS: Mutagenic for mammalian somatic cells. May cause damage to the following organs: kidneys,
peripheral nervous system, central nervous system (CNS), thyroid.
Other Toxic Effects on Humans:
Hazardous in case of ingestion, of inhalation. Slightly hazardous in case of skin contact (irritant).
Special Remarks on Toxicity to Animals: Not available.
Special Remarks on Chronic Effects on Humans:
May cause adverse reproductive effects and birth defects. May affect genetic material. May cause cancer. Human: passes
through the placenta, excreted in maternal milk.
Special Remarks on other Toxic Effects on Humans:
Acute Potential Health Effects: Skin: May cause skin irritation. Eyes: May cause eye irritation and lacrimation. Inhalation:
May cause respiratory tract irritation with and shortness of breath. May cause pulmonary edema. Ingestion: May be harmful
if swallowed. May cause gastrointestinal tract irritation with abdominal pain, nausea, vomiting, hypermotility, and diarrhea.
May affect behavior/central nervous system (tremor, dizziness, slurred speech, muscle weakness, hallucinations, irritability,
giddiness, disorientation, distorted perceptions, headache, confusion, seizures, excitement, toxic psychosis, somnolence,
ataxia, drowsiness, convulsions, coma ), eyes (pupillary constriction, blurred vision), urinary system (kidneys - renal
dysfunction), respiratory system(respiratory depression), cardiovascular system. Chronic Potential Health Effects: Ingestion:
Prolonged or repeated ingestion may affect skin (allergic dermatitis, psoriasis, alopecia), urinary system (kidneys - renal
dysfunction), thyroid (thryoid hyperfunction, goiter), cardiovascular system, metabolsim, brain, liver, blood, and endrocrine
system (adrenal gland), and eyes (visual abnormalities) and may cause ringing in the ears. It may also affect behavior/central
nervous system with symptoms similar to that of acute exposure, and cause "restless leg syndrome", a peripheral neuropathy
involving a creeping sensation with a desire to rub or move the legs.
Section 12: Ecological Information
Ecotoxicity: Not available.
BOD5 and COD: Not available.
Products of Biodegradation:
Possibly hazardous short term degradation products are not likely. However, long term degradation products may arise.
Toxicity of the Products of Biodegradation: The products of degradation are less toxic than the product itself.
Special Remarks on the Products of Biodegradation: Not available.
Section 13: Disposal Considerations
Waste must be disposed of in accordance with federal, state and local environmental control regulations.
Section 14: Transport Information
DOT Classification: Not a DOT controlled material (United States).
Identification: Not applicable.
Special Provisions for Transport: Not applicable.
Section 15: Other Regulatory Information
Federal and State Regulations:
California prop. 65: This product contains the following ingredients for which the State of California has found to cause cancer,
birth defects or other reproductive harm, which would require a warning under the statute: Lithium carbonate California
prop. 65: This product contains the following ingredients for which the State of California has found to cause birth defects
which would require a warning under the statute: Lithium carbonate Massachusetts RTK: Lithium carbonate New Jersey:
Lithium carbonate New Jersey spill list: Lithium carbonate TSCA 8(b) inventory: Lithium carbonate SARA 313 toxic chemical
notification and release reporting: Lithium carbonate
OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200). EINECS: This product is on the
European Inventory of Existing Commercial Chemical Substances.
WHMIS (Canada): CLASS D-2A: Material causing other toxic effects (VERY TOXIC).
R22- Harmful if swallowed. R36- Irritating to eyes. R40- Possible risks of irreversible effects. S2- Keep out of the reach of
children. S36/37- Wear suitable protective clothing and gloves. S46- If swallowed, seek medical advice immediately and show
this container or label.
Health Hazard: 2
Fire Hazard: 0
Personal Protection: E
National Fire Protection Association (U.S.A.):
Gloves. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Wear appropriate respirator
when ventilation is inadequate. Splash goggles.
Section 16: Other Information
References: Not available.
Other Special Considerations: Not available.
Created: 10/10/2005 08:21 PM
Last Updated: 11/01/2010 12:00 PM
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