Detail of "2757-28-0"

CAS Number:
2757-28-0
Name:
1-Heptanamine,6-methyl-N,N-bis(6-methylheptyl)-
Molecular Structure:
Formula:
C24H51 N
Molecular Weight:
353.76
Synonyms:
Triheptylamine,6,6',6''-trimethyl- (8CI); Alamine 308
Density:
0.816g/cm³
Boiling Point:
347.4°Cat760mmHg
Flash Point:
148.2°C
Safety:
Moderately toxic by ingestion and skin contact. A skin irritant. When heated to decomposition it emits toxic fumes of NO_x. See also AMINES. Details

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Removal of Fe and Zn impurities from amine solvent-extraction agents followed by acidic regeneration: Removal of Fe and Zn impurities from amine solvent-extraction agents followed by acidic regeneration. Perraud, Jean-Jacques Robert (Goro Nickel S.A., Fr.). U.S. Pat. Appl. Publ. US 2004014589 A1 22 Jan 2004, 8 pp. (English). (United States of America). CODEN: USXXCO. CLASS: ICM: B01J020-34. NCL: 502022000. APPLICATION: US 2002-195969 16 Jul 2002. DOCUMENT TYPE: Patent CA Section: 54 (Extractive Metallurgy) The amine extn. agents used for recovery of metal values are regenerated by: (a) treatment with aq. soln. 7647-01-0 and 2757-28-0 are also in the experiment. free of chlorides to remove the accumulated Fe and Zn impurities having strong binding; and (b) regeneration for the purified amine with aq. HCl soln. for recycling to the extn. stage. The Alamine 308 extn. agent contg. accumulated Fe and Zn impurities after stripping of Co values was dissolved at 20% in arom. solvent with 5% isodecanol, and was treated in 3 stages with aq. sulfate soln. to decrease the Fe and Zn contents, followed by regeneration with aq. HCl. .