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 1639 through 1695

UN#GuideName of MaterialISO
Current as of: Oct. 2, 2011
1639151Mercury nucleate
1640151Mercury oleate
1641151Mercury oxide
1642151Mercuric oxycyanide
1642151Mercury oxycyanide, desensitized
1643151Mercury potassium iodide
1644151Mercury salicylate
1645151Mercuric sulfate
1645151Mercuric sulfate
1645151Mercuric sulphate
1645151Mercury sulfate
1645151Mercury sulphate
1646151Mercury thiocyanate
1647151Ethylene dibromide and Methyl bromide mixture, liquidYes
1647151Methyl bromide and Ethylene dibromide mixture, liquidYes
1648127Methyl cyanide
1649131Motor fuel anti-knock mixture
1649131Tetraethyl lead, liquid
1650153beta-Naphthylamine, solid
1650153Naphthylamine (beta)
1650153Naphthylamine (beta) , solid
1653151Nickel cyanide
1655151Nicotine compound, solid, n.o.s.
1655151Nicotine preparation, solid, n.o.s.
1656151Nicotine hydrochloride
1656151Nicotine hydrochloride, liquid
1656151Nicotine hydrochloride, solid
1656151Nicotine hydrochloride, solution
1657151Nicotine salicylate
1658151Nicotine sulfate, solid
1658151Nicotine sulfate, solution
1658151Nicotine sulphate, solid
1658151Nicotine sulphate, solution
1659151Nicotine tartrate
1660124Nitric oxideYes
1660124Nitric oxide, compressedYes
1664152Nitrotoluenes, liquid
1664152Nitrotoluenes, solid
1665152Nitroxylenes, liquid
1665152Nitroxylenes, solid
1670157Perchloromethyl mercaptanYes
1671153Phenol, solid
1672151Phenylcarbylamine chloride
1672151Phenylcarbylamine chloride
1674151Phenylmercuric acetate
1677151Potassium arsenate
1678154Potassium arsenite
1679157Potassium cuprocyanide
1680157Potassium cyanide
1680157Potassium cyanide, solid
1683151Silver arsenite
1684151Silver cyanide
1685151Sodium arsenate
1686154Sodium arsenite, aqueous solution
1687153Sodium azide
1688152Sodium cacodylate
1689157Sodium cyanide
1689157Sodium cyanide, solid
1690154Sodium fluoride
1690154Sodium fluoride, solid
1691151Strontium arsenite
1692151Strychnine salts
1693159Tear gas devices
1693159Tear gas substance, liquid, n.o.s.
1693159Tear gas substance, solid, n.o.s.
1694159Bromobenzyl cyanides
1694159Bromobenzyl cyanides, liquid
1694159Bromobenzyl cyanides, solid
1695131Chloroacetone, stabilizedYes

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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