Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99.0-101.0% USP, Ph. Eur., BP, JPC endotoxin tested
:77-86-1
:
:NH₂C(CH₂OH)₃
:MFCD00004679
:121.14 g/mol
:357 °C (1013 hPa)
:169…172 °C
:1.328 g/cm³ (20 °C)
Some Products May Appear Restricted
To ensure a smooth and speedy checkout, please log in to your account. Some items may show as restricted simply because you're not logged in.
If you do not have an account, you can register using our registration webform (https://www.avantorsciences.com/us/en/login/register)
If you're still seeing restrictions after logging in, certain products—like chemicals or medical devices—require additional account verification steps to be able to place an order. Some items may additionally require a specific license or customer documentation; additional documentation will be requested for these items prior to shipment.
- Assay (USP):99.0 – 101.0%
- Endotoxins (USP):≤ 2.5EU/g
- Heavy Metals <231> (USP):≤10 ppm
- Identification A (USP):PASS
- Identification B (USP):PASS
- Identification C (USP):PASS
- Loss on Drying <731> (USP):≤ 1.0%
- Melting range or temperature (USP):168⁰ - 172⁰C
- pH <791> (USP):10.0 – 11.5
- Residue on Ignition (USP):≤ 0.1%
- Appearance of Solution (EP & BP):PASS
- Assay (EP & BP):99.0 – 100.5%
- Chlorides (2.4.4) (EP & BP):≤100 ppm
- Heavy Metals (2.4.8) (EP & BP):≤10 ppm
- Identification B (EP & BP):PASS
- Identification C (EP & BP):PASS
- Iron (2.4.9) (EP & BP):≤10 ppm
- Loss on Drying (2.2.32) (EP & BP):≤0.5%
- pH (2.2.3) (EP & BP):10.0 – 11.5
- Related Substances (2.2.27) (EP & BP):≤1.0%
- Sulfated Ash (2.4.14) (EP & BP):≤0.1%
- Arsenic (JPC):≤1.6 ppm
- Assay (JPC):≥99.0%
- Clarity and Color of Solution (JPC):PASS
- Heavy Metals (JPC):≤8 ppm
- Identification (1)(JPC):PASS
- Identification (2)(JPC):PASS
- Loss on Drying (JPC):≤0.5%
- Melting Point (JPC):168⁰C - 172⁰C
- pH (1.0g/100mL water)@25⁰C (JPC):10.3 – 10.7
- Residue on Ignition (JPC):≤0.10%