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Element

DOT Number

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Aluminum

molten

9260

powder, coated

1309

powder, pyrophoric

1383

powder, uncoated

1396

Antimony

powder

2871

Argon

1006

compressed

1006

refrigerated liquid (cryogenic liquid)

1951

Arsenic

1558

dust

1562

Barium

1400

Beryllium

powder

1567

Bromine

1744

Cadmium

cadmium compound

2570

Calcium

1401

pyrophoric

1855

Carbon

activated

1362

animal or vegetable origin

1361

Cerium

slabs, ingots or rods

1333

turnings or gritty powder

3078

Cesium

1407

Chlorine

1017

Fluorine

1045

compressed

1045

refrigerated liquid (cryogenic liquid)

9192

Gallium

2803

Hafnium

powder, dry

2545

Helium

1046

compressed

1046

refrigerated liquid (cryogenic liquid)

1963

Hydrogen

1049

absorbed in metal hydride

9279

compressed

1049

in a metal hydride storage system

3468

in a metal hydride storage system contained in equipment

3468

in a metal hydride storage system packed with equipment

3468

refrigerated liquid (cryogenic liquid)

1966

Krypton

1056

compressed

1056

refrigerated liquid (cryogenic liquid)

1970

Lithium

1415

Magnesium

1869

in pellets, turnings or ribbons

1869

powder

1418

Mercury

2809

metal

2809

Neon

1065

compressed

1065

refrigerated liquid (cryogenic liquid)

1913

Nitrogen

1066

compressed

1066

refrigerated liquid (cryogenic liquid)

1977

Oxygen

1072

compressed

1072

refrigerated liquid (cryogenic liquid)

1073

Phosphorus

amorphous

1338

amorphous, red

1338

white, dry or under water or in solution

1381

white, molten

2447

yellow, dry or under water or in solution

1381

Potassium

2257

metal

2257

Rubidium

1423

metal

1423

Selenium

powder

2658

Silicon

powder, amorphous

1346

Sodium

1428

Sulfur

1350

molten

2448

Thallium

compounds, n.o.s.

1707

Thorium

metal, pyrophoric

2975

Titanium

powder, dry

2546

sponge granules

2878

sponge powders

2878

Uranium

metal, pyrophoric

2979

Xenon

2036

compressed

2036

refrigerated liquid (cryogenic liquid)

2591

Zinc

dust

1436

Zirconium

dry, coiled wire, finished metal sheets or strips

2858

dry, finished sheets, strips or coiled wire

2009

powder, dry

2008

scrap

1932

References    (Click the button next to a value above to see complete citation information for that entry)

Barsan, Michael E., editor. NIOSH Pocket Guide to Chemical Hazards. Cincinnati, Ohio: NIOSH Publications, 2007.

U. S. Department of Transportation (DOT), Transport Canada (TC), Secretariat of Transport and Communications of Mexico (SCT), and Centro de Información Química para Emergencias (CIQUIME). 2008 Emergency Response Guidebook.

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