S-(Carboxymethyl)-L-Cysteine ​​CAS 638-23-3 (Carbocisteine) Tlhahlobo 98.5~101.0%

S-(Carboxymethyl) -L-Cysteine, ha e omisitsoe, ha e na ka tlaase ho karolo ea 98.5 lekholong le ho feta karolo ea 101.0 lekholong ea S-(Carboxymethyl) -L-Cysteine ​​(C5H9NO4S).
Tlhaloso: Likristale tse tšoeu kapa phofo ea kristale, tatso ea acid e nyane.
E qhibiliha hanyenyane haholo metsing, hoo e batlang e sa qhibilihe ka har'a ethanol le ho glacial acetic acid le ether.E qhibiliha ka ho hlapolla hydrochloric acid le ho sodium hydroxide TS.
Sollubility (H2O, g/100g): 0.13 (20℃)
Identification: Bapisa spectrum ea infrared absorption ea sampole le ea standard by potassium bromide disc method.
Potoloho e Khethehileng [α]20/D: Mohlala o omisitsoeng, C=10, pH6.0.Kamora ho omisa sampole, nka hoo e ka bang 5g ea sampole.e lekantsoe hantle, qhala ka 20ml ea metsi le sodium hydroxide solution (13→100).Kamora hore pH e fetohe ho 6.0 ka 1mol/L kapa 0.1mol/L hydrochloric acid TS, ebe o eketsa metsi ho 50ml ka nepo.
Boemo ba Tharollo (Transmittance): 1.0g ho 10ml ea 1mol / L NaOH, spectrophotometer, 430nm, 10mm lisele tse botenya.
Chloride (Cl): 0.36g, A-2, ref: 0.40ml ea 0.01mol/L HCl
Ammonium (NH4): A-1
Sulfate (SO4): 1.2g, (2), ref: 0.50ml ea 0.005mol/L H2SO4
Tšepe (Fe): 0.5g, (2), ref: 1.5ml ea Iron Std.(0.01mg/ml)
Metals e boima (Pb): 2.0g, (2), ref: 2.0ml ea Pb Std.(0.01mg/ml)
Arsenic (As2O3): 2.0g, (3), ref: 2.0ml ea As2O3 Std.
Li-Amino Acids tse ling: 0.2mol / L NaOH, mohlala oa teko: 75μg, B-2-a taolo;S-(Carboxymethyl) -L-Cysteine ​​​​0.15μg.Ka mor'a hore e 'ngoe le e' ngoe ea tharollo e bonahale ka poleiti, poleiti e hlahisoa hang-hang
Tahlehelo ha o Omisa: ho 105 ℃ bakeng sa lihora tse 3
Residue on Ignition (Sulfated): AJI Test 13
Tekanyetso: Mohlala o omisitsoeng, 180mg, 0.1mol/L HCLO4 1ml = 17.920mg C5H9NO4S.Qhala hoo e ka bang 180mg ea sampole, eo pele e neng e omisitsoe le ho lekanngoa ka nepo, ho3ml ea asiti ea formic, eketsa hantle 15ml ea 0.1mol/L perchloric acid, le 50ml ea glacial acetic acid, 'me u nyenyefatse perchloric acid e feteletseng ka 0.1mol/L sodium acetate,etsa qeto ea ho qetela ka potentiometrically.Etsa boitlamo bo se nang letho, 'me u etse tokiso e hlokahalang.E 'ngoe le e' ngoe ea ml ea 0.1mol / L perchloric acid e lekana le 17.920mg ea C5H9NO4S.
pH: 1.0g ho 10ml (Tharollo e nang le metsi a tletseng metsi)
Moeli le boemo bo khothalelitsoeng ba polokelo: Lits'oants'o tse tiileng tse bolokiloeng mochesong o laoloang oa phaposi (lilemo tse 2).