Taurine CAS 107-35-7 Assay 99.0 ~ 101.0% Factory High Quality

Taurine (CAS: 107-35-7) Mokhoa oa Teko oa JP
Taurine, ha e omisitsoe, ha e na ka tlase ho 99.0% le ho feta 101.0% ea C2H7NO3S.
Tlhaloso Taurine e hlaha e le likristale tse se nang 'mala kapa tse tšoeu, kapa phofo e tšoeu ea kristale.
E qhibiliha ka metsing, 'me e batla e sa qhibilihe ka ethanol (99.5).
PH ea tharollo e lokiselitsoeng ka ho qhibiliha 1.0 g ea Taurine ka 20 mL ea metsi a phehiloeng le a pholileng e pakeng tsa 4.1 le 5.6.
Identification Hlalosa hore na Taurine infrared absorption spectrum joalokaha e laetsoe ka mokhoa oa potassium bromide disk tlas'a Infrared Spectrophotometry <2.25>, 'me u bapise sepakapaka le Reference Spectrum: li-spectra ka bobeli li bonts'a matla a tšoanang a ho monya ka linomoro tse tšoanang tsa maqhubu.
Bohloeki (1) Ho hlaka le 'mala oa tharollo-Tharollo e fumanoang ka ho qhibiliha 1.0 g ea Taurine ka 20 ml ea metsi e hlakile ebile ha e na mebala.
(2) Chloride <1.03> -Etsa teko ka 1.0 g ea Taurine.Lokisetsa tharollo ea taolo ka 0.30 mL ea 0.01mol/L hydrochloric acid VS (e seng ho feta 0.011%).
(3) Sulfate <1.14> -Etsa tlhahlobo ka 2.0 g ea Taurine.Lokisetsa tharollo ea taolo ka 0.40 mL ea 0.005 mol/L sulfuric acid VS (e seng ho feta 0.010%).
(4) Ammonium <1.02> -Etsa tlhahlobo ka 0.25 g ea Taurine.Lokisetsa tharollo ea taolo ka 5.0 mL ea Standard Ammonium Solution (e seng ho feta 0.02%).
(5) Litšepe tse boima <1.07> -Tsoela pele ka 2.0 g ea Taurine ho ea ka Method 1, 'me u etse tlhahlobo.Lokisetsa tharollo ea taolo ka 2.0 mL ea Standard Lead Solution (eseng ho feta 10 ppm).
(6) Iron <1.10> -Lokisetsa tharollo ea teko ka 2.0 g ea Taurine ho ea ka Mokhoa oa 1, 'me u etse tlhahlobo ho ea ka Mokhoa oa A. Lokisetsa tharollo ea taolo ka 2.0 mL ea Standard Iron Solution (eseng ho feta 10 ppm).
(7) Lintho tse amanang le tsona-Hlakola 1.0 g ea Taurine ka 50 ml ea metsi, 'me u sebelise tharollo ena e le mohlala oa tharollo.Pipe 1 ml ea tharollo ea sampole, 'me u kenye metsi ho etsa 50 ml hantle.Pipe 1 mL ea tharollo ena, eketsa metsi ho etsa 10 ml hantle, 'me u sebelise tharollo ena e le tharollo e tloaelehileng.Etsa tlhahlobo ka litharollo tsena joalokaha ho laetsoe tlas'a Thin-layer Chromatography <2.03>.Spot 5mL e 'ngoe le e 'ngoe ea tharollo ea mohlala le tharollo e tloaelehileng poleiting ea silika ea silika bakeng sa chromatography ea lera le tšesaane.Hlahisa poleiti ka motsoako oa metsi, ethanol (99.5), 1-butanol le acetic acid (100) (150:150:100:1) ho ea bohōle ba hoo e ka bang 10 cm, le ho omisa poleiti moeeng.Fafatsa ka ho lekana ninhydrin-butanol TS holim'a poleiti, 'me mocheso ka 105 ℃ metsotso e 5: sebaka se seng ntle le sebaka sa motheo se nang le tharollo ea sampole ha se letheba le le leng,' me ha se matla ho feta sebaka se nang le tharollo e tloaelehileng. .
Tahlehelo ka ho omisa <2.41> Ha e fete 0.20% (1 g, 105℃, lihora tse 2).
Masalla ha ho behoa <2.44>E seng ho feta 0.1% (1 g).
Assay Beha boima bo nepahetseng ka 0.2 g ea Taurine, e neng e omisitsoe pele, qhibiliha ka 50 mL ea metsi, eketsa 5 mL ea tharollo ea formaldehyde, le titrate <2.50>ka 0.1 mol / L sodium hydroxide VS (potentiometric titration).Etsa qeto e se nang letho ka mokhoa o ts'oanang, 'me u etse tokiso e hlokahalang.
ML ka 'ngoe ea 0.1 mol/L sodium hydroxide VS ＝12.52 mg ea C2H7NO3S
Lijana le polokelo Lits'oants'o-Lits'oants'o tse koetsoeng hantle.

Taurine (CAS: 107-35-7) Mokhoa oa Tlhahlobo oa USP
TLHALOSO
Taurine e na le NLT 98.5% le NMT 101.5% ea taurine (C2H7NO3S), e baloang ka mokhoa o omisitsoeng.
TS'ELISO TS'OANE
• A. HO AMOHELA INFORARED <197K>
TLHOKOMELO
• Qeto ea NITROGEN, Mokhoa oa II <461>
Tlhahlobo: Tsoela pele joalokaha ho laetsoe khaolong.ML e 'ngoe le e' ngoe ea 0.01 N sulfuric acid e lekana le 1.25 mg ea C2H7NO3S.
Mekhoa ea ho amohela: 98.5% -101.5% motheong o omisitsoeng
LITŠILA
• MASALE A THUSANG <281>: NMT 0.3%
• CHLORIDE LE SULFATE, Chloride <221>
Tekanyetso: 0.50 mL ea 0.020 N hydrochloric acid
Mohlala: 0,7 g ea Taurine
Maemo a kamohelo: NMT 0.05%
• CHLORIDE LE SULFATE, Sulfate <221>
Tekanyetso: 0.25 mL ea 0.020 N sulfuric acid
Mohlala: 0,8 g ea Taurine
Maemo a kamohelo: NMT 0.03%
• IRON <241>: NMT 30 ppm
• LITŠEPE TSE BOHLOKO, Mokhoa oa I <231>: NMT 15 ppm
• METSOALLE E AMEHANG
Tharollo e tloaelehileng: 0.05 mg/mL ea USP Taurine RS ka metsing motsoako o lekanang oa hoo e ka bang 0.5% ea Sample solution
Tharollo ea mohlala: 10 mg / mL ea Taurine ka metsing
Sistimi ea chromatographic
(Sheba Chromatography <621>, Thin-Layer Chromatography.)
Mokhoa: TLC
Adsorbent: 0.25-mm lera la chromatographic silica gel motsoako
Bophahamo ba kopo: 5 µL
Ho hlahisa mokhoa oa ho qhibilihisa: joala ba Butyl, glacial acetic acid, le metsi (3:1:1)
Sehlahisoa sa spray: 2 mg/mL ea ninhydrin motsoako oa joala ba butyl le 2 N acetic acid (95:5)
Tlhahlobo: Omisa poleiti ka 80 ° bakeng sa 30 min.Fafatsa poleiti ka spray reagent, 'me u chese ka 80 ° bakeng sa metsotso e ka bang 10.Hlahloba poleiti tlas'a khanya e tšoeu.[HLOKOMELA-Boleng ba RF bakeng sa matheba a taurine e lokela ho ba 0.2.]
Mokhoa oa ho amohela: Ha ho sebaka sa bobeli sa tharollo ea Sample se seholo kapa se matla ho feta sebaka sa mantlha sa tharollo ea Maemo.
Litšila tsa motho ka mong: NMT 0.5%
LITEKO TSEKO
• TAHLEHELO KA HO OMETSA <731>: Omisa sampole ho 105° bakeng sa 3 h: e lahleheloa ke NMT 0.3% ea boima ba eona.
KEKELETSO LIHLOKO
• PAKARETSO LE HO BOLOKA: Boloka ka lijaneng tse koetsoeng hantle.
• LITEKELO TSA USP REFERENCE <11>
USP Taurine RS