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 2390 through 2443

UN#GuideName of MaterialISO
Current as of: Oct. 2, 2011
23901292-Iodobutane
2391129Iodomethylpropanes
2392129Iodopropanes
2393129Isobutyl formate
2394129Isobutyl propionate
2395132Isobutyryl chloride
2396131PMethacrylaldehyde, stabilized
23971273-Methylbutan-2-one
2398127Methyl tert-butyl ether
23991321-Methylpiperidine
2400130Methyl isovalerate
2401132Piperidine
2402130Propanethiols
2403129PIsopropenyl acetate
2404131Propionitrile
2405129Isopropyl butyrate
2406127Isopropyl isobutyrate
2407155Isopropyl chloroformateYes
2409129Isopropyl propionate
24101291,2,3,6-Tetrahydropyridine
24101291,2,5,6-Tetrahydropyridine
2411131Butyronitrile
2412130Tetrahydrothiophene
2413128Tetrapropyl orthotitanate
2414130Thiophene
2416129Trimethyl borate
2417125Carbonyl fluorideYes
2417125Carbonyl fluoride, compressedYes
2418125Sulfur tetrafluorideYes
2418125Sulphur tetrafluorideYes
2419116Bromotrifluoroethylene
2420125HexafluoroacetoneYes
2421124Nitrogen trioxideYes
2422126Octafluorobut-2-ene
2422126Refrigerant gas R-1318
2424126Octafluoropropane
2424126Refrigerant gas R-218
2426140Ammonium nitrate, liquid (hot concentrated solution)
2427140Potassium chlorate, aqueous solution
2427140Potassium chlorate, solution
2428140Sodium chlorate, aqueous solution
2429140Calcium chlorate, aqueous solution
2429140Calcium chlorate, solution
2430153Alkyl phenols, solid, n.o.s. (including C2-C12 homologues)
2431153Anisidines
2431153Anisidines, liquid
2431153Anisidines, solid
2432153N,N-Diethylaniline
2433152Chloronitrotoluenes
2433152Chloronitrotoluenes, liquid
2433152Chloronitrotoluenes, solid
2434156Dibenzyldichlorosilane
2435156Ethylphenyldichlorosilane
2436129Thioacetic acid
2437156Methylphenyldichlorosilane
2438132Trimethylacetyl chlorideYes
2439154Sodium hydrogendifluoride
2440154Stannic chloride, pentahydrate
2440154Tin tetrachloride, pentahydrate
2441135Titanium trichloride mixture, pyrophoric
2441135Titanium trichloride, pyrophoric
2442156Trichloroacetyl chlorideYes
2443137Vanadium oxytrichloride

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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