UN/NA 1940 · Thioglycolic acid

Material name

1940 on a placard, orange panel or shipping paper

It points to the ERG 2024 entry “Thioglycolic acid” and to Guide 153. On a numbered orange panel, 1940 is the lower number (how to read an orange panel).

ERG 2024 markings for 1940

1940 is not highlighted in green (no Table 1 entry), and its guide number 153 has no P.

Entries near 1940

By number (yellow pages): before 1940 come UN/NA 1935 Cyanide solution, n.o.s. (Guide 157); UN/NA 1938 Bromoacetic acid, solution (Guide 156) and UN/NA 1939 Phosphorus oxybromide, solid (Guide 137); after it, UN/NA 1941 Dibromodifluoromethane (Guide 171); UN/NA 1942 Ammonium nitrate, with not more than 0.2% combustible substances (Guide 140) and UN/NA 1944 Matches, safety (Guide 133).

By name (blue pages): “Thioglycolic acid” comes after Thiocarbamate pesticide, solid, toxic (UN/NA 2771, Guide 151) and Thioglycol (UN/NA 2966, Guide 153) and before Thiolactic acid (UN/NA 2936, Guide 153) and Thionyl chloride (UN/NA 1836, Guide 137).

Guide 153 · Library

Guide 153 covers 168 UN/NA numbers. The 12 around 1940 in the guide’s number order: UN/NA 1848 Propionic acid; UN/NA 1849 Sodium sulfide, hydrated, with not less than 30% water; UN/NA 1885 Benzidine; UN/NA 1902 Diisooctyl acid phosphate; UN/NA 1903 Disinfectant, liquid, corrosive, n.o.s.; UN/NA 1906 Acid, sludge; UN/NA 2020 Chlorophenols, solid; UN/NA 2021 Chlorophenols, liquid; UN/NA 2022 Cresylic acid; UN/NA 2028 Bombs, smoke, non-explosive, with corrosive liquid, without initiating device; UN/NA 2030 Hydrazine, aqueous solution, with more than 37% hydrazine; UN/NA 2074 Acrylamide, solid.

Sources

• PHMSA · ERG 2024 · EN / ES / FR