Name: Tris Base
Brand: MM

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About This Item

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

기술 서비스

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도움 문의

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)

양식

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

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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

법적 정보

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)