Module 2 SDS (safety and data sheets)

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Lone Star College, CyFair *

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2420

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Chemistry

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Apr 3, 2024

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Module 2: SDS (Safety Data Sheets) Background Information Chemical Labels In the NFPA rating system, chemicals are rated from 0 to 4 according to the hazard they impose, with 0 representing no hazard and 4 representing high hazard. Each chemical is rated for health, fire, and reactivity. “Diamond” labels are used to show the NFPA rating in a quick, effective way. The health rating is in the blue left diamond, the fire rating is in the red top diamond, the reactivity rating is in the yellow right diamond and special warnings (like water reactivity) are in the white bottom diamond. SDS SDS, Safety Data Sheets, were formerly called Material Safety Data Sheets (MSDS). They are provided by the manufacturer or vendor of a chemical. They can also be retrieved from various websites. The data sheets contain information about the physical and chemical properties of the chemical and identify any hazards associated with the chemical. They also identify any special handling precautions and protective equipment needed when working with the chemical. SDS is divided into various sections, such as product identification, health hazard data (acute and chronic), toxicity data, symptoms of exposure, reactivity data, environmental protection procedures, identify fire and explosion hazard, special protection information, special precautions, etc. When you work in a lab (even at school), you should have access to the SDS sheets for all chemicals that you use.
Finding SDS on the Web: An SDS can be found readily by searching for the chemical and company. For example, a search of sugar by the company Fisher will provide you with the URL to access the SDS. Click on the link below to open up the SDS and answer the questions about sugar. https://fscimage.fishersci.com/msds/01576.htm 1) This link provides you with the SDS for sucrose from the company Fisher Scientific. If you are taking CHEM 1405 as a F2F lab, you will use sucrose from Fisher in the lab. If you are taking chemistry online, you will use sucrose from your kitchen. Answer the following questions regarding sucrose. a) Use section 1 to find other names for sucrose. Beet Sugar; Cane Sugar; Maple Sugar; Saccharose; Sugar b) Use section 9 to find the formula for sucrose. Write it in the proper way (with appropriate subscripts): C 12 H 22 O 11 c) Use section 5 to find the NFPA ratings for sucrose. Describe a proper diamond label for sucrose: Health: 0; Flammability: 0; Instability: 0 d) As with all solids, sucrose can harm your eyes by scratching them. Read section 4 on “First Aid Measures”; what should you do if you get sucrose in your eyes? Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. 2) We keep acetone in the lab because it is good for cleaning test tubes and beakers when water fails. You will use acetone if you are taking F2F CHEM 1405. If you are taking online CHEM 1405, you will not use acetone in your kitchen experiments because of its properties. (However, you may have some in your home in its diluted form and you may have used it for “cleaning” as we do in the lab – acetone is the active ingredient in fingernail polish remover). Use the following link and answer the questions regarding acetone. acetone. https://fscimage.fishersci.com/msds/00140.htm a) Use section 5 to find the NFPA ratings for acetone. Describe a proper diamond label for acetone. Health: 1; Flammability: 3; Instability: 0 b) Acetone is flammable. If you have an open container of acetone near a Bunsen Burner, it could burst into flames. Read section 5 on Fire Fighting methods. What should you do to
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