Organic chemistry
Organic chemistry US classification - 500 classes
- 520
- 521: ion exchange; scrap/waster containing solid organic polymer; cellular
- 522: wave energy
- 523: nonreactant material with intermediate condensate
- 524: nonreactant material with intermediate condensate
- 525: ethylenically unsaturated reactant; mixed with preformed reaction product from: a) plural polycarboxylic acid, ester, anhydride; b) polyhydroxy; c) fatty acid glycerol ester, glyceride, tall oil; and plural solid polymers
- 526: specifics; ethylenic monomer
- 527: cellular from plant or animal; protein; carbohydrate
- 528: B, Si, heavy metal; -N=C=X; -X=chalcogen; ketone; aldehyde; N, Cl, S; heterocyclic with O, Se, Te
- 530: natural resins; peptides with 3-100 residues; proteins with >100 residues; lignins
- 532:
- 534: radioactive; rare earth
- 536: carbohydrates
- 540, 544, 546, 548, 549: heterocyclic with chalcogen (O, S, Se, Te, N)
- 552: Azides
- 554: fatty compounds
- 556: heavy metal containing Al, Si
- 558: thioimidate S, O, N
- 560: carboxylic acid esters
- 562: S, O, P, B esters
- 564: amino N
- 568: B, S, O
- 570: halogen
- 585: blend hydrocarbons