Emergency Response Guidebook (ERG)

This is an online version of the 2008 Emergency Response Guidebook (ERG) which is produced by the USDOT for first responders during the initial phase of a Dangerous goods/Hazardous Materials incident. Have you ever wondered what those four digit numbers on the placards on the side of trucks and rail cars mean? Our online ERG will give you your answer.

UN Numbers 2337 through 2389

UN#GuideName of MaterialISO
Current as of: Oct. 2, 2011
2337131Phenyl mercaptanYes
2338127Benzotrifluoride
23391302-Bromobutane
23401302-Bromoethyl ethyl ether
23411301-Bromo-3-methylbutane
2342130Bromomethylpropanes
23431302-Bromopentane
23441292-Bromopropane
2344129Bromopropanes
23451303-Bromopropyne
2346127Butanedione
2346127Diacetyl
2347130Butyl mercaptan
2348129PButyl acrylates, stabilized
2350127Butyl methyl ether
2351129Butyl nitrites
2352127PButyl vinyl ether, stabilized
2353132Butyryl chloride
2354131Chloromethyl ethyl ether
23561292-Chloropropane
2357132Cyclohexylamine
2358128PCyclooctatetraene
2359132Diallylamine
2360131PDiallyl ether
2361132Diisobutylamine
23621301,1-Dichloroethane
2363129Ethyl mercaptan
2364128n-Propyl benzene
2366128Diethyl carbonate
2367130alpha-Methylvaleraldehyde
2367130Methyl valeraldehyde (alpha)
2368128alpha-Pinene
2368128Pinene (alpha)
2369152Ethylene glycol monobutyl ether
2369152Ethylene glycol monobutyl ether
23701281-Hexene
2371128Isopentenes
23721291,2-Di-(dimethylamino) ethane
2373127Diethoxymethane
23741273,3-Diethoxypropene
2375129Diethyl sulfide
2375129Diethyl sulphide
23761272,3-Dihydropyran
23771271,1-Dimethoxyethane
23781312-Dimethylaminoacetonitrile
23791321,3-Dimethylbutylamine
2380127Dimethyldiethoxysilane
2381130Dimethyl disulfide
2381130Dimethyl disulphide
23821311,2-DimethylhydrazineYes
2382131Dimethylhydrazine, symmetricalYes
2383132Dipropylamine
2384127Di-n-propyl ether
2384127Dipropyl ether
2385129Ethyl isobutyrate
23861321-Ethylpiperidine
2387130Fluorobenzene
2388130Fluorotoluenes
2389128Furan

Data Source for our online 2008 ERG

This information was compiled from the 2008 Emergency Response Guidebook (2008 ERG) which is produced by the U.S. Department of Transportation.

(Data last updated/verified: Oct. 2, 2011)

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Disclaimer

WARNING: These pages are for general reference and educational purposes only and MUST NOT be relied upon as a sole source to determine regulatory compliance or where matters of life and health are concerned. This site and the author do not warrant or guarantee the accuracy or the sufficiency of the information provided and do not assume any responsibility for its use.

To ensure regulatory compliance when transporting hazardous materials or dangerous goods, one must receive proper training and certification from a qualified instructor and refer to the current year's Code of Federal Regulations Title 49 (49CFR) or your country's shipping regulations. In matters regarding workplace safety, refer to current OSHA regulations (29CFR) and NIOSH guidelines or your own country's health and safety regulations. No one should ever enter into a hazardous environment without proper training from qualified instructors.

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