Related Resources
USDOT Hazardous Materials Table 49 CFR 172.101
An online version of the USDOT's listing of hazardous materials from 49CFR 172.101. This table can be sorted by proper shipping name, UN/NA ID and/or by primary hazard class/division.
2008 ERG (Emergency Response Guidebook)
Have you ever wondered what those four digit numbers on the placards on the side of trucks and rail cars mean? Our online 2008 ERG will give you your answer. This is an online version of the guidebook produced by the USDOT for first responders during the initial phase of a Dangerous goods/HazMat incident. ERG data last verified/updated Oct. 2, 2011
US DOT Hazardous Materials Transportation Placards
Hazardous materials placards (DOT placards) are required when shipping hazardous materials in the United States, Canada and Mexico. These pages provide US DOT definitions for each hazmat placard.
Guide for Handling Household Chemicals
Things you can do to make your home safer.
Molarity, Molality and Normality
Introduces stoichiometry and explains the differences between molarity, molality and normality.
Molar Mass Calculations and Javascript Calculator
Molar mass calculations are explained and there is a JavaScript calculator to aid calculations.
Periodic Table of Elements
Provides comprehensive data for each element of the periodic table of elements including up to 40 properties, names in 10 languages and common chemical compounds. Information also provided for 3,600 nuclides and 4,400 nuclide decay modes.