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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.

ERG Menu

UN Numbers 2285 through 2336

UN#GuideName of MaterialISO
Current as of: Oct. 2, 2011
2285156Isocyanatobenzotrifluorides
2286128Pentamethylheptane
2287128Isoheptenes
2288128Isohexenes
2289153Isophoronediamine
2290156IPDI
2290156IPDI
2290156Isophorone diisocyanate
2291151Lead compound, soluble, n.o.s.
22931284-Methoxy-4-methylpentan-2-one
2294153N-Methylaniline
2295155Methyl chloroacetate
2296128Methylcyclohexane
2297128Methylcyclohexanone
2298128Methylcyclopentane
2298128Methylcyclopentane
2299155Methyl dichloroacetate
23001532-Methyl-5-ethylpyridine
23011282-Methylfuran
23021275-Methylhexan-2-one
2303128Isopropenylbenzene
2304133Naphthalene, molten
2305153Nitrobenzenesulfonic acid
2305153Nitrobenzenesulphonic acid
2306152Nitrobenzotrifluorides
2306152Nitrobenzotrifluorides, liquid
23071523-Nitro-4-chlorobenzotrifluoride
2308157Nitrosylsulfuric acid
2308157Nitrosylsulfuric acid, liquid
2308157Nitrosylsulfuric acid, solid
2308157Nitrosylsulphuric acid
2308157Nitrosylsulphuric acid, liquid
2308157Nitrosylsulphuric acid, solid
2309128POctadiene
23101312,4-Pentanedione
2310131Pentan-2,4-dione
2310131Pentane-2,4-dione
2311153Phenetidines
2312153Phenol, molten
2313129Picolines
2315171Articles containing Polychlorinated biphenyls (PCB)
2315171PCB
2315171Polychlorinated biphenyls
2315171Polychlorinated biphenyls, liquid
2315171Polychlorinated biphenyls, solid
2316157Sodium cuprocyanide, solid
2317157Sodium cuprocyanide, solution
2318135Sodium hydrosulfide, solid, with less than 25% water of crystallization
2318135Sodium hydrosulfide, with less than 25% water of crystallization
2318135Sodium hydrosulphide, solid, with less than 25% water of crystallization
2318135Sodium hydrosulphide, with less than 25% water of crystallization
2319128Terpene hydrocarbons, n.o.s.
2320153Tetraethylenepentamine
2321153Trichlorobenzenes, liquid
2322152Trichlorobutene
2323130Triethyl phosphite
2324128Triisobutylene
23251291,3,5-Trimethylbenzene
2326153Trimethylcyclohexylamine
2327153Trimethylhexamethylenediamines
2328156Trimethylhexamethylene diisocyanate
2329130Trimethyl phosphite
2330128Undecane
2331154Zinc chloride, anhydrous
2332129Acetaldehyde oxime
2333131Allyl acetate
2334131AllylamineYes
2335131Allyl ethyl ether
2336131Allyl formate

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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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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