Tris acidimetric
SIAL/NIST723E - NIST® SRM® 723e
Synonym: Trizma® base; 2-
CAS Number: 77-86-1
Empirical Formula (Hill Notation): C4H11NO3
Molecular Weight: 121.14
MDL Number: MFCD00004679
Linear Formula: NH2C(CH2OH)3
Product Type: Chemical
application(s) | pharmaceutical (small molecule) |
bp | 219-220 °C/10 mmHg (lit.) |
description | aminopeptidase substrate |
form | crystals |
grade | certified reference material |
InChI | 1S/C4H11NO3/c5-4(1-6,2-7) |
InChI key | LENZDBCJOHFCAS-UHFFFAOYSA |
manufacturer/tradename | NIST® |
mp | 167-172 °C (lit.) |
packaging | pkg of 50 g |
pKa (25 °C) | 8.1 |
Quality Level | 100 ![]() |
SMILES string | NC(CO)(CO)CO |
useful pH range | 7-9 |
General description: | SRM 723E_cert ![]() ![]() ![]() ![]() |
Legal Information: | NIST is a registered trademark of National Institute of Standards and Technology |
Legal Information: | SRM is a registered trademark of National Institute of Standards and Technology |
Legal Information: | Trizma is a registered trademark of Sigma-Aldrich Co. LLC |
Other Notes: | The pH values of all buffers are temperature- and concentration-dependent. For Tris buffers, pH increases about 0.03 unit per °C decrease in temperature, and decreases 0.03-0.05 unit per ten-fold dilution. For precise applications, use a carefully calibrated pH meter with a glass/calomel combination electrode. |
Symbol | ![]() |
Signal word | Warning |
Hazard statements | H315 - H319 - H335 |
Precautionary statements | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
bp | 219-220 °C/10 mmHg (lit.) |
mp | 167-172 °C (lit.) |
UNSPSC | 41116107 |