… ammonia. White powder, plates or paste, crystalline, hygroscopic, very soluble in water and with an odour of … almonds. When brought to the melting‑point it absorbs oxygen; may also give hydrates. Is presented in sealed …
… This heading excludes : (a) Compounds of phosphorus with oxygen ( heading 28.09 ), with halogens ( heading 28.12 ) or … soft organic materials brittle. It is used for obtaining oxygen, nitrogen and rare gases by fractional distillation. …
… (NaPH 2 O 2 ), in white tablets or crystalline powder, hygroscopic. (II) Calcium phosphinate (hypophosphite) … pyrophosphate (neutral diphosphate) (Na 4 P 2 O 7 ). Non‑hygroscopic white powder, soluble in water. Used in …
… are compounds in which two acyl radicals are linked by two oxygen atoms; their general formula is RC(O)OOC(O)R 1 * , in … of the compounds described in Parts (A) to (F) above, the oxygen-containing functional groups remain intact, but one …
