1.02408
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
vapor pressure
0.0267 hPa ( 20 °C)
form
solid
potency
>5000 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rat)
technique(s)
titration: suitable
pH
10.2-10.6 (20 °C, 6 g/L in H2O)
useful pH range
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
bulk density
840 kg/m3
storage temp.
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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General description
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.
Application
Features and Benefits
- 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)
Packaging
Recommended products
Legal Information
related product
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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Articles
The titer determination or standardization of a titration solution is essential for accurate and reliable titration results.
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