1.02408

Tris Base

solid, reag. USP, reag. Ph. Eur., ISO 17025

• Synonim(y): Tris Base, Tris(hydroxymethyl)aminomethane, 2-Amino-2-(hydroxymethyl)-1,3-propanediol, THAM, Tris base, Trometamol
• Wzór liniowy: NH₂C(CH₂OH)₃
• Numer CAS: 77-86-1
• Masa cząsteczkowa: 121.14
• Beilstein: 741883
• Numer MDL: MFCD00004679
• Kod UNSPSC: 41116107
• Numer indeksu EC: 201-064-4

Właściwości

• product name: Tris(hydroxymethyl)aminomethane, volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) Certipur^® Reag. Ph Eur,Reag. USP
• agency: ISO 17025; reag. Ph. Eur.; reag. USP
• Poziom jakości: 300
• ciśnienie pary: 0.0267 hPa ( 20 °C)
• Postać: solid
• siła działania: >5000 mg/kg LD₅₀, oral (Rat); >5000 mg/kg LD₅₀, skin (Rat)
• metody: titration: suitable
• pH: 10.2-10.6 (20 °C, 6 g/L in H₂O)
• przydatny zakres pH: 7-9
• pKa (25°C): 8.1
• tw: 219-220 °C/10 mmHg (lit.); 219-220 °C/13.3 hPa
• mp: 167-172 °C (lit.)
• rozpuszczalność: 678 g/L
• gęstość: 1.35 g/cm³ at 23 °C
• gęstość nasypowa: 840 kg/m³
• temp. przechowywania: 15-25°C
• ciąg SMILES: NC(CO)(CO)CO
• InChI: 1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
• Klucz InChI: LENZDBCJOHFCAS-UHFFFAOYSA-N

Opis

Opis ogólny

Tris(hydroxymethyl)aminomethane is a volumetric standard manufactured under rigorous conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.

Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Zastosowanie

It finds its use as a certified reference material (CRM) for the standardization of volumetric solutions in acidimetric titrations, according to USP and Ph. Eur.

Cechy i korzyści

• Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
• Certified reference material according to ISO 17034
• High-purity material traceable to NIST SRMs
• Qualified in a DIN EN ISO/IEC 17025 accredited laboratory
• In accordance with the chapter reagents of USP and Ph. Eur
• High-quality offering accurate titer determinations
• Accompanied by a certificate of analysis (CoA)

Opakowanie

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

Polecane produkty

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Informacje prawne

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

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Informacja o środkach bezpieczeństwa

• Kod klasy składowania: 11 - Combustible Solids
• Klasa zagrożenia wodnego (WGK): WGK 1
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable