A CAS registry number is a unique number that identifies a chemical. What Is a CAS Number of an MSDS?ĬAS stands for Chemical Abstracts Service. Material safety data sheets are updated every three years, unless significant new data about a product comes to light before that amount of time, such as a change to the hazard classification, method of handling or personal protection. This system uses a strict 16-section format. The only difference is that an SDS refers to a safety data sheet that conforms with the United Nations’ Globally Harmonized System (GHS). The Difference Between SDS and MSDSīasically, an SDS (safety data sheet) is the same as an MSDS. This information is typically used by firefighters and employees handling the chemical. This can help determine how and where it would be best to store the product, how to handle it, where to place fire extinguishers and which type of extinguisher is best to use, how to best respond to a fire, and emergency procedures. The purpose of this section is to describe any fire hazards associated with the chemical. Special hazards arising from the substance or mixture.Let’s take section five of an MSDS – ‘Firefighting measures’ – as an example of how to read it. For example, the glycerol MSDS has a much lengthier section four (first aid measures) than the deionised water MSDS. Some sections will have more information than others it completely depends on the chemical. These sub-sections are designed to provide further information and clarity on a particular topic. An Example of How to Read an MSDSĮach of the sixteen sections in a material safety data sheet has a number of sub-sections. Some of the language used can be technical or product-specific – there’s a great summary of what the technical language and common terms used in an MSDS mean here. When you read a material safety data sheet, bear in mind that there are four hazards types: Additionally the chemical or material in question may also be affected by local legislation, which isn’t typically found in an MSDS. For example, this could mean whether the product is hazardous, how best to store it, the personal protective equipment (PPE) that should be worn, and how to properly dispose of it.īe aware that an MSDS isn’t a complete source of information, as they provide a general summary. In essence, an MSDS should be used to make necessary determinations about the chemical product in the capacity that you will be handling, using or storing it. While material safety data sheets appear to be complicated, they are actually fairly easy to read. Identification of the substance/mixture and of the company/undertaking.Material safety data sheets may differ slightly from manufacturer to manufacturer, but they all contain the same basic information and an international 16-section format has been developed and is documented in ANSI Standard Z400. This information includes the potential health effects of product exposure, hazards related to handling, storage or use, how to protect workers, and emergency protocol. A material safety data sheet is a technical document which provides comprehensive information about a controlled product. MSDS stands for material safety data sheet.
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