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1、5.3.3 Sodium hypochlorite1) Chemical Product and Company IdentificationMSDS Name: Sodium Hypochlorite Solution, 4-6%Catalog Numbers: S80183, S, CRNSS2904, NC, SS290 1, SS290 4, SS2901, SS2904Synonyms: None2) Composition, Information on IngredientsCAS#Chemical NamePercentEINECS/ELINCS7681-52-9Sodium
2、hypochlorite4-6.0231-668-37732-18-5Water94.21231-791-2Hazard Symbols: CRisk Phrases: 31 343) Hazards IdentificationEMERGENCY OVERVIEWAppearance: clear light yellow green. Corrosive. Danger! Causes eye and skin burns. Causes digestive and respiratory tract burns. May cause methemoglobinemia.Target Or
3、gans: Blood.Potential Health EffectsEye: May cause irreversible eye injury. Contact with liquid is corrosive to the eyes and causes severe burns.Skin: Causes skin burns.Ingestion: May cause methemoglobinemia, cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), convulsi
4、ons, and death. Causes severe digestive tract burns with abdominal pain, vomiting, and possible death. Methemoglobinemia is characterized by dizziness, drowsiness, headache, breath shortness, cyanosis with bluish skin, rapid heart rate and chocolate-brown colored blood.Inhalation: Causes severe irri
5、tation of upper respiratory tract with coughing, burns, breathing difficulty, and possible coma. May cause pulmonary edema and severe respiratory disturbances.Chronic: Chronic inhalation and ingestion may cause effects similar to those of acute inhalation and ingestion.4) First Aid MeasuresEyes: Flu
6、sh eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed.Skin: Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while re
7、moving contaminated clothing and shoes. Discard contaminated clothing in a manner which limits further exposure.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.I
8、nhalation: Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.Notes to Physician:
9、Treat symptomatically and supportively.5) Fire Fighting MeasuresGeneral Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Contact with metals may evolve flammable hydrogen gas. Containers may expl
10、ode when heated.Extinguishing Media: 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 fi
11、re is out.6) Accidental Release MeasuresGeneral Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Remove all sources of ignition. Absorb spill using an absorbent, non-combustible material such as earth, sand, or vermiculite. Do not use combustible materia
12、ls such as saw dust. Provide ventilation.7) Handling and StorageHandling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale. Discard contaminated shoes.Storage: Store
13、 in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.8) Exposure Controls, Personal ProtectionEngineering Controls: Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exp
14、osure limits.Exposure LimitsChemical NameACGIHNIOSHOSHA - Final PELsSodium hypochloritenone listednone listednone listedWaternone listednone listednone listedOSHA Vacated PELs: Sodium hypochlorite: No OSHA Vacated PELs are listed for this chemical. Water: No OSHA Vacated PELs are listed for this che
15、mical.Personal Protective EquipmentEyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHAs 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 appropri
16、ate protective clothing to prevent skin exposure.Respirators: A respiratory protection program that meets OSHAs 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirators use.9) Physical and Chemical PropertiesPhysical State: LiquidAppearance: clear light yellow greenOdor:
