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It may be prepared via the Schiemann reaction, in which a 4-aminobenzoic acid, protected as the ethyl ester, is diazotised and then fluoride introduced using tetrafluoroborate. Hydrolysis of the ester converts it back to the free acid. [2] 4-Fluorobenzoic acid has been observed to form by the aerobic biotransformation of 4-fluorocinnamic acid. [3]
13813–22–4 LaN: lanthanum nitride: 25764–10–7 LaNbO 4: lanthanum niobate: 12031–17–3 LaSi 2: lanthanum silicide: 12056–90–5 LaVO 4: lanthanum vanadate: 13939–40–7 La 2 O 3: lanthanum oxide: 1312–81–8 La 2 S 3: lanthanum sulfide: 12031–49–1 LiAlH 4: lithium tetrahydridoaluminate: 16853–85–3 LiAlO 2: lithium ...
2,4,6-Tris(dimethylaminomethyl)phenol is an aromatic organic chemical that has tertiary amine and phenolic hydroxyl functionality in the same molecule. [1] The formula is C 15 H 27 N 3 O and the CAS Registry Number is 90-72-2. It is REACH registered and the European Community Number is 202-013-9. [2] [3] [4]
3,3’,4,4’-Benzophenone tetracarboxylic dianhydride (BTDA) is chemically, an aromatic organic acid dianhydride. It may be used to cure epoxy-based powder coatings. It has the CAS Registry Number of 2421-28-5 and a European Community number 219-348-1. It is REACH and TSCA registered. The formula is C 17 H 6 O 7 with a molecular weight of 322. ...
PFBA [1] C 4 PFCA. Identifiers CAS Number. 375-22-4 ... The 3M Company was a major manufacturer of PFBA and products containing PFBA but production was phased out in ...
Sudan Black is formed by coupling of diazotized 4-phenylazo-1-naphthylamine with 2,3-dihydro-2,2-dimethyl-1H-perimidine. [2] Therefore, the main product expected was 2,3-dihydro-2,2dimethyl-6-[(4-phenylazo-1-naphthalenyl)-azo]-1H-perimidine. However the dye resulting from the above reaction product actually contains many, up to 42 colored and ...
2,2,4-Trimethylpentane, also known as isooctane or iso-octane, is an organic compound with the formula (CH 3) 3 CCH 2 CH(CH 3) 2. It is one of several isomers of octane (C 8 H 18 ). This particular isomer is the standard 100 point on the octane rating scale (the zero point is n -heptane ).
4,4′-Diamino-2,2′-stilbenedisulfonic acid is the organic compound with the formula (H 2 NC 6 H 3 SO 3 H) 2 C 2 H 2. It is a white, water-soluble solid. It is a white, water-soluble solid. Structurally, it is a derivative of trans- stilbene , containing amino and sulfonic acid functional groups on each of the two phenyl rings .