Potassium chlorate
CAS No.: 3811-04-9
Synonyms:
Formula: ClKO3
Exact Mass: 121.91700
Molecular Weight: 122.54900
PSA: 57.20000
LogP: 0.33310
Potassium chlorate 3811-04-9 MSDS
Name: Potassium Chlorate Reagent ACS Crystals Material Safety Data Sheet
Synonym: Berthollet's Salt; Salt of Tarter; Chlorate of Potash; Chloric Acid, Potassium Salt
CAS: 3811-04-9
Section 1 - Chemical Product   MSDS Name:Potassium Chlorate Reagent ACS Crystals Material Safety Data Sheet
Synonym:Berthollet's Salt; Salt of Tarter; Chlorate of Potash; Chloric Acid, Potassium Salt

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
3811-04-9 Potassium chlorate 100 223-289-7
Hazard Symbols: XN O
Risk Phrases: 20/22 8 9

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Harmful by inhalation and if swallowed. Contact with combustible material may cause fire. Explosive when mixed with combustible material.
Potential Health Effects
Eye:
May cause conjunctivitis. May cause permanent corneal opacification.
Skin:
Contact with skin causes irritation and possible burns, especially if the skin is wet or moist. May cause severe irritation and possible burns.
Ingestion:
May cause methemoglobinemia, cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), convulsions, and death.
Methemoglobinemia is characterized by dizziness, drowsiness, headache, shortness of breath, cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), rapid heart rate and chocolate-brown colored blood. May cause burns to the gastrointestinal tract. May be harmful if swallowed. May cause nausea, vomiting, and diarrhea, possibly with blood.
Inhalation:
Dust is irritating to the respiratory tract. May cause methemoglobinemia, cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), convulsions, tachycardia, dyspnea (labored breathing), and death. May cause acute pulmonary edema, asphyxia, chemical pneumonitis, and upper airway obstruction caused by edema.
Chronic:
Prolonged or repeated skin contact may cause dermatitis. May cause liver and kidney damage. May cause methemoglobinemia, which is characterized by chocolate-brown colored blood, headache, weakness, dizziness, breath shortness, cyanosis (bluish skin due to deficient oxygenation of blood), rapid heart rate, unconsciousness and possible death.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid immediately. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Wash clothing before reuse.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Do NOT use mouth-to-mouth resuscitation.
Notes to Physician:
For methemoglobinemia, administer oxygen alone or with Methylene Blue depending on the methemoglobin concentration in the blood.
Antidote: Methylene blue, alone or in combination with oxygen is indicated as a treatment in nitrite induced methemoglobinemia.

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Strong oxidizer. Contact with other material may cause fire. Use water spray to keep fire-exposed containers cool.
Use water with caution and in flooding amounts. Some oxidizers may react explosively with hydrocarbons(fuel). Containers may explode when heated.
Extinguishing Media:
Contact professional fire-fighters immediately. For small fires, do NOT use dry chemicals, carbon dioxide, halon or foams. USE WATER ONLY. For large fires, flood fire area with water from a distance.
Contact with water or steam may produce toxic and flammable vapors.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Remove all sources of ignition. Do not use combustible materials such as paper towels to clean up spill.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Keep container tightly closed. Keep away from heat, sparks and flame. Avoid contact with clothing and other combustible materials. Do not get on skin or in eyes. Avoid ingestion and inhalation.
Storage:
Keep away from heat, sparks, and flame. Do not store near combustible materials. Store in a cool, dry place. Keep away from reducing agents.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 3811-04-9: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear a chemical apron. Wear appropriate clothing to prevent skin exposure.
Respirators:
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: white
Odor: odorless
pH: Not available.
Vapor Pressure: Not applicable.
Viscosity: Not applicable.
Boiling Point: Not applicable.
Freezing/Melting Point: 356 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: 400 deg C
Solubility in water: Not available.
Specific Gravity/Density: 2.52
Molecular Formula: KClO3
Molecular Weight: 122.5495

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, ignition sources, dust generation, combustible materials, reducing agents.
Incompatibilities with Other Materials:
Reducing agents.
Hazardous Decomposition Products:
Chlorine, irritating and toxic fumes and gases, oxygen, oxides of potassium.
Hazardous Polymerization: Will not occur.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 3811-04-9: FO0350000 LD50/LC50:
CAS# 3811-04-9: Oral, rat: LD50 = 1870 mg/kg.
Carcinogenicity:
Potassium chlorate - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: POTASSIUM CHLORATE
Hazard Class: 5.1
UN Number: 1485
Packing Group: II
IMO
Shipping Name: POTASSIUM CHLORATE
Hazard Class: 5.1
UN Number: 1485
Packing Group: II
RID/ADR
Shipping Name: POTASSIUM CHLORATE
Hazard Class: 5.1
UN Number: 1485
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN O
Risk Phrases:
R 20/22 Harmful by inhalation and if swallowed.
R 8 Contact with combustible material may cause
fire.
R 9 Explosive when mixed with combustible material.
Safety Phrases:
S 13 Keep away from food, drink and animal feeding
stuffs.
S 16 Keep away from sources of ignition - No
smoking.
S 27 Take off immediately all contaminated clothing.
WGK (Water Danger/Protection)
CAS# 3811-04-9: 2
Canada
CAS# 3811-04-9 is listed on Canada's DSL List.
CAS# 3811-04-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 3811-04-9 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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