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1、.Material Safety Data Sheet(Hydrochloric Acid)Section 1 Chemicals and Corporation Identify Chinese name of chemicals: Yansuan Common name or trade name of chemicals: NoneEnglish name of chemicals: Hydrochloric Acid Section 2 Component Information Pure chemicals Mixture Name of chemicals: Hydrochlori
2、c Acid Noxious componentsContent (%)CAS NOHydrochloric Acid31%7647-01-1Molecular weight: 36.46 Molecular formula: HCLSection 3 The Summary of RiskRisk category: Grade 8.1 Acid corrosives Route of entry: Eye or skin contact, inhaling or ingesting Health hazard: Acute: Inhaling: Exposure to the s
3、team or smoke can cause acute poisoning, such as conjunctivitis, a burning sensation on nose and oral mucosa, epistaxis, gingiva bleeding, bronchitis,etc. Eye or skin contact: It can cause chemical burns. Chronic toxicity: The long-term exposure will cause chronic rhinitis,&
4、#160;chronic bronchitis, dental erosion and skin lesions.Ingesting: Wrongly ingesting will cause gastrointestinal burn and ulcerative, even can cause gastric perforation, peritonitis and etc. Carcinogenicity: No data available. Environment hazards: The substance is hazard to the envir
5、onment. Please pay attention to the pollution to water and soil. Explosion hazard: This substance is non-inflammable, but strongly corrosive and strongly irritant and can cause human body burns. Section 4 Emergency Measures Skin contact: Take off the polluted clothing immediately and wash with
6、large flowing water for at least 15 minutes. See a doctor. Eye contact: Rise eyelid immediately and wash with large flowing water or physiological saline for at least 15 minutes. See a doctor. Inhaling: Remove the site to air-fresh place rapidly and keep the airway open. If breathing is difficult,&#
7、160;administer oxygen. If breathing has stopped, give artificial respiration immediately and seek for medical attention. Ingesting: Gargle with water and drink the milk or egg-white. See a doctor. Section 5 Fire Fighting Measures Hazard properties: The substance can react with active metal powd
8、er releasing the hydrogen, react with cyanide producing hypertoxic hydrogen cyanide and react with alkali issuing a large amount of heat. It has strongly causticity. Harmful combustible substance: Hydrogen chloride Extinguishing methods and extinguishing agents: The mist water, sand and ca
9、rbon dioxide fire extinguisher are available. Neutralize with the alkaline substances, such as sodium bicarbonate,sodium carbonate, hydrated lime, and so on. Fighting the blaze with plenty of water is feasible too. Fire precautions: No data available. Section 6 Emergency Measures for
10、Leakage Emergency measures for leakage: Evacuate the personnel in leakage-contaminated areas to a safe area and isolate with strict restrictions on access. Suggest the emergency crews wear self sufficient positive-pressure respirator and anti-acid&alkali work clothing. Dont contact the leakage d
11、irectly. Cut off the leak source as far as possible. Prevent people into restrictive space such as sewer, drainage ditch and so on.Eliminating methods: If the leak is small, we can mix it with sand, dry lime or soda ash. We also can wash it with plenty of water; drain the wash water i
12、nto wastewater system after diluting. If the leak is large, uptake by constructed diking or digged pit; transfer them into the tanker or special collector with pump for recycle or ship to the waste disposal sites to deal with. Section 7 Operation and Storage Operation cautions: Airtight operati
13、on and pay attention to the ventilation. Operate should be mechanized and automated as far as possible. Operators must receive special training and strictly abide by the operating instructions. Suggest that operator wear self-priming filter gas mask (full cover), acidalkali resistant rubber clo
14、thing and acidalkali resistant rubber gloves. Keep away from the flammable or combustible substance. Prevent the steam leaking to the workplace. Avoid contacting with alkalis, amines, alkali metal. Load and unload gently when transporting to prevent damaging the package and container. Equi
15、p with leakage emergency treatment facility. The emptied containers may remain hazard. Storage notes: Store in a cool, well ventilated warehouse. Storage temperature is less than 30,and the relative humidity is less than 85%. Keep the container sealed. Keep separate from alkalis, amines,&#
16、160;alkali metal and flammable or combustible substance and be careful not to place them together. The leakage emergency treatment facility and appropriate collecting containers should be available in the storage area. Section 8 Exposure Controls/ Personal Protection Maximum allowable concentration:
17、 Chinese MAC（mg/m 3 ) 15 Monitoring methods：Mercury thiocyanate colorimetric method Engineering controls: Operate in a sealed area and pay attention to ventilation. Handling should be mechanization and automation as far as possible. Provide safety shower and eyewash facility. Respiratory protection:
18、 If it is possible to expose to the smog, wear self-supporting filter mask（full face task）or air respirator. Oxygen breathing apparatus are recommended to wear when emergency rescuing or evacuating. Eyes protection: Wear chemical safety goggles Body protection: Wear acidalkali resistant rubber
19、clothing Hands protection: Wear acidalkali resistant rubber gloves Other protections: No smoking, eating and drinking in working site. Take a shower and put on clean clothes after work. Place the contaminative clothes alone and wash for use. Keep a good health habit. Section 9 Physical and Chem
20、ical Properties Appearance and character: Liquid with yellowish and pungent odor Melting point():-114.8(pure) Relative density(water=1)：1.187 Boiling point:()：108.6（20%） Relative vapor density（water=1）：1.259 Saturated vapor pressure(Kpa): 30.66(21) Combustion heat：Not applicable Critical temperature
21、（）：Not applicable Critical pressure（MPa）：Not applicableLogarithm of octanol-water partition coefficients: Not applicable Flash point()：Not applicable Upper explosion limit（v/v）: Not applicable Burning temperature()：Not applicable Lower explosion limit(v/v)：Not applicable Solubility: Miscible with wa
22、ter and soluble in alkaline solutions Main applications: Important inorganic chemicals, extensively used in the field of dyestuff, pharmacy, foods, printing and dyeing, metallurgy and other industries. Section 10 Stability and Reactivity Stability: Volatile at ordinary press
23、ure Restricted substance: Alkali，amines，alkali metals，inflammables or combustible Conditions to avoid: No data available Hazardous polymerization: None Decomposition products：Hydrogen chloride Section 11 toxicological information Acute toxicity:LD50：No data available（orally in rats） LD50：No data ava
24、ilable（cutaneously in rats） LC50：No data available(inhale in rats） Subacute and chronic toxicity: No data available Epidemiology: No data available. Teratogenicity: No data available Reproductive Effects: No data available Mutagenicity: No data available Neurotoxicity: No data available Section 12 E
25、cological Information Ecotoxicity: No data available Biodegradability: No data available Abiotic degradability: No data available Bioconcentration or Bioaccumulation: No data available Other adverse effects: The substance is hazard to environment, especially the contamination to waters and soil
26、. Section 13 Waster Disposal Waste properties: Hazardous waste Industrial solid waste Disposal methods: Neutralize with soda lyeaqua calcis generating sodium chloride and calcium chloride,then dilute with water followed by discharging into wastewater system. Disposal cautions: Not applicable Section
27、 14 Transport Information Chinese hazardous good No.：81013 UN No.：1789 Packaging mark：Chinese hazardous good classification acidic corrosives (Grade 8.1) Chinese hazardous good packing symbol: 20 Packaging category：UN grade: No data available Chinese hazardous good package grade: I Packaging methods
28、: It is contained with acid resistant jar or ceramic bottle containing it and ordinary wooden case or half lattice wooden case outside；ampulla or plastic cask and ordinary wooden case or half lattice wooden case outside; ground surface glass or top threaded glass bottle with ordinary wooden case out
29、side; threaded glass bottle, Iron cover glass bottle , plastic cask or metal drum and ordinary wooden case outside. Transportation cautions：When the substance is transported by railway, only use the rubber liner steel tank or the tanker self-provided by special plastic enterprise
30、s, and it should be submitted to concerned departments for approval prior to the shipment. It should be loaded in strict accordance with dangerous goods load table listed in TDGC. Ensure that the packaging is complete when shipping and the load is safe. Do ensure there are no leak, no coll
31、apse, no fall, and no damage in container during transport. Do not mix with alkalies, amines，alkali metals,flammables or combustibles，edible chemicals, etc. The transport vehicle should be equipped with accidental release disposing equipments. During transportation, keep awa
32、y from fierce sunshine, rain washing and high temperature. This product is transported by road in indicated route. Do not stay residential areas densely populated areas. Section 15 Regulatory Information “Regulation on the Safety Administration of Dangerous Chemicals” (Decree NO.344 of the Stat
33、e Council), “Implementation of the Regulations of safety Administration of Dangerous Chemicals” (Decree No.：677 1992 of Ministry of Chemical Industry), and “Regulations for Safe Use of Chemicals in Workplace”, (Decree No. ： 423 1996 of Labor Department), aiming at the safe use,pr
34、oduction, storage, transportation，loading and unloading, etc. The commonly used dangerous chemical classification and the symbol (GB 13690-92) assign this product as acidic corrosive substances at Grade 8.1. Other Regulations: Regulations for Safely Synthesize Hydrochloric Acid (HGA004-83). Section 16 Additional Information Reference: Guotai Zhou et al. Safety technique for hazardous chemicals. Beijing: Chemical Industry Press, 1997. Filling date: 3/1/2011 Filing department: Safety and Environmental protection department,*;