How are corrosives hazardous to human health?

When working on improving workplace safety, you will undoubtedly see lists of hazardous substances that are listed as dangerous because they are corrosive. A corrosive substance is typically listed this way because it can corrode other materials, including metals. This makes many people wonder how corrosives are hazardous to human health. To put it simply, … Read more

Are there non-health-related hazards associated with corrosives?

When working on improving safety in the workplace, you must evaluate whether your facility uses corrosives for anything in the area. If so, you need to make sure that you have proper safety measures associated with them. This is mainly because they can cause such serious health problems to anyone exposed to them, and those … Read more

What does LD50 mean?

When evaluating hazardous substances and materials it is important to know at which point something becomes lethal. One of the ways that this is measured is commonly referred to as LD50, which stands for a lethal dose of 50%. When a set amount of a substance is given to a control group and fifty percent … Read more

What is a substance?

Substances can often be mistaken with mixtures, when in fact they are two very separate concepts when it comes to chemistry and hazardous chemicals. The following is a basic comparison of both substances and mixtures: Chemical Substances A chemical substance is defined as a form of matter that has a constant chemical composition and can … Read more

What is a CAS registry number?

The CAS registry number, also known as a CASRN or simply CAS number, identifies a wide variety of chemical substances with a sequence of random digits. Created by the Chemical Abstracts Service, this unique number can have up to ten digits. There are up to 1 billion number sequences that can be chosen to label … Read more

Why is the CAS number important?

Originally, CAS numbers weren’t required to appear on Material Safety Data Sheets. Back then, MSDSs were not formatted in a way that allowed for maximum utility. Once OSHA made the Globally Harmonized System of Classification and Labeling of Chemicals required for all businesses that handled hazardous chemicals, the chemical information requirements changed rapidly. This improvement … Read more

How does OSHA define a hazardous chemical?

OSHA defines a hazardous chemical as “any chemical which is classified as a physical hazard or a health hazard, a simple asphyxiant, combustible dust, pyrophoric gas, or hazard not otherwise classified.” Furthermore, OSHA clarifies chemical hazards and toxic substances pose a wide range of health hazards (like irritation to the skin) and physical hazards (such … Read more

What is the difference between MSDS and SDS?

Material safety data sheets (MSDS) was the required documentation for hazardous chemicals before OSHA aligned with the Globally Harmonized System of Classification and Labeling (GHS). After its adoption in 2012, businesses that handle, store, and use dangerous chemicals must follow the guidance specified for safety data sheets (SDS). Prior to these major changes in the … Read more

What information is on an MSDS?

Material safety data sheets (MSDS) are important documents that contain information about hazardous chemicals in the workplace. These are a part of the globally harmonized system of classification and labeling of chemicals (GHS) and provide detailed information that can help people to learn about the various chemicals. These informative sheets are required for safety compliance … Read more

What does HCS stand for?

HCS stands for Hazard Communication Standard. This standard requires that hazardous material information must be available for employees and people such as emergency response personnel because they have the right to know what kinds of hazards are present and how to then protect themselves. Hazard information should be available through the following means: Training Visual … Read more