Potassium bisulfate 7646-93-7 MSDS
Name: Potassium Bisulfate C.P. Material Safety Data Sheet
Synonym: Potassium Hydrogen Sulfate; Sulfuric Acid, Monopotassium Salt; Acid Potassium Sulfate; Monopotassium Sulfat
CAS: 7646-93-7
Section 1 - Chemical Product   MSDS Name:Potassium Bisulfate C.P. Material Safety Data Sheet
Synonym:Potassium Hydrogen Sulfate; Sulfuric Acid, Monopotassium Salt; Acid Potassium Sulfate; Monopotassium Sulfat

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
7646-93-7 Potassium Bisulfate, C.P. 100 231-594-1
Hazard Symbols: C
Risk Phrases: 34 37

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Causes burns. Irritating to respiratory system.Corrosive.Hygroscopic (absorbs moisture from the air).
Potential Health Effects
Eye:
Contact with eyes may cause severe irritation, and possible eye burns.
Skin:
Contact with skin causes irritation and possible burns, especially if the skin is wet or moist.
Ingestion:
Causes digestive tract burns with immediate pain, swelling of the throat, convulsions, and possible coma.
Inhalation:
May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema. Causes chemical burns to the respiratory tract.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
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. Destroy contaminated shoes.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
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:

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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water spray to keep fire-exposed containers cool. Containers may explode in the heat of a fire. Contact with metals may evolve flammable hydrogen gas.
Extinguishing Media:
Substance is nonflammable; use agent most appropriate to extinguish surrounding fire. Do NOT get water inside containers. For small fires, use dry chemical, carbon dioxide, or water spray. For large fires, use dry chemical, carbon dioxide, alcohol-resistant foam, or water spray. Cool containers with flooding quantities of water until well after fire is out.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation. Do not get water inside containers.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Do not get on skin or in eyes. Do not ingest or inhale. Discard contaminated shoes. Do not breathe dust or fumes.
Storage:
Store in a cool, dry place. Keep away from water. Corrosives area.
Do not store in metal containers.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 7646-93-7: 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 protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: white
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 214 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: N/A
Explosion Limits, upper: N/A
Decomposition Temperature: >210 deg C
Solubility in water: 490 g/l water (20 c)
Specific Gravity/Density: 2.3220g/cm3
Molecular Formula: HKO4S
Molecular Weight: 136.16

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, moisture, metals, excess heat.
Incompatibilities with Other Materials:
Strong bases; strong oxidizing agents; moist air or water Hazardous Decomposition Products:
Oxides of sulfur, oxides of potassium, sulfur oxides (SOx), including sulfur oxide and sulfur dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 7646-93-7: TS7200000 LD50/LC50:
CAS# 7646-93-7: Oral, rat: LD50 = 2340 mg/kg.
Carcinogenicity:
Potassium Bisulfate, C.P. - 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 HYDROGEN SULPHATE
Hazard Class: 8
UN Number: 2509
Packing Group: II
IMO
Shipping Name: POTASSIUM HYDROGEN SULPHATE
Hazard Class: 8
UN Number: 2509
Packing Group: II
RID/ADR
Shipping Name: POTASSIUM HYDROGEN SULPHATE
Hazard Class: 8
UN Number: 2509
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 34 Causes burns.
R 37 Irritating to respiratory system.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 7646-93-7: 1
Canada
CAS# 7646-93-7 is listed on Canada's DSL List.
CAS# 7646-93-7 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7646-93-7 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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