1.02408

Tris Base

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

• 別名: 2-アミノ-2-(ヒドロキシメチル)-1,3-プロパンジオール, THAM, トリス塩基, トロメタモール
• 化学式: NH₂C(CH₂OH)₃
• CAS番号: 77-86-1
• 分子量: 121.14
• Beilstein: 741883
• MDL番号: MFCD00004679
• UNSPSCコード: 41116107
• EC Index Number: 201-064-4
• NACRES: NA.24

特性

• product name: トリス(ヒドロキシメチル)アミノメタン, volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) Certipur^® Reag. Ph Eur,Reag. USP
• 認証: ISO 17025; reag. Ph. Eur.; reag. USP
• 品質水準: 300
• 蒸気圧: 0.0267 hPa ( 20 °C)
• 形状: solid
• 有効性: >5000 mg/kg LD₅₀, oral (Rat); >5000 mg/kg LD₅₀, skin (Rat)
• テクニック: titration: suitable
• pH: 10.2-10.6 (20 °C, 6 g/L in H₂O)
• 有効pH範囲: 7-9
• pKa (25 °C): 8.1
• bp: 219-220 °C/10 mmHg (lit.); 219-220 °C/13.3 hPa
• mp: 167-172 °C (lit.)
• 溶解性: 678 g/L
• 密度: 1.35 g/cm³ at 23 °C
• かさ密度: 840 kg/m³
• 保管温度: 15-25°C
• SMILES記法: NC(CO)(CO)CO
• InChI: 1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
• InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N

詳細

詳細

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.

アプリケーション

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.

特徴および利点

• 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)

包装

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

おすすめ製品

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.

法的情報

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

安全性情報

• 保管分類コード: 11 - Combustible Solids
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable