1.02408

Tris Base

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

• 동의어(들): Tris Base, Tris(hydroxymethyl)aminomethane, 2-Amino-2-(hydroxymethyl)-1,3-propanediol, THAM, Tris base, Trometamol
• Linear Formula: NH₂C(CH₂OH)₃
• CAS Number: 77-86-1
• Molecular Weight: 121.14
• Beilstein: 741883
• MDL number: MFCD00004679
• UNSPSC 코드: 41116107
• EC 인덱스 번호: 201-064-4
• NACRES: NA.24

속성

• 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
• Quality Level: 300
• vapor pressure: 0.0267 hPa ( 20 °C)
• 형태: solid
• 효능: >5000 mg/kg LD₅₀, oral (Rat); >5000 mg/kg LD₅₀, skin (Rat)
• 기술: titration: suitable
• pH: 10.2-10.6 (20 °C, 6 g/L in H₂O)
• 유용한 pH 범위: 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.)
• solubility: 678 g/L
• density: 1.35 g/cm³ at 23 °C
• 벌크 밀도: 840 kg/m³
• 저장 온도: 15-25°C
• SMILES string: 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

설명

일반 설명

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.

애플리케이션

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.

특징 및 장점

• 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)

포장

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

추천 제품

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.

법적 정보

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

안전성 정보

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable