API reference
Tromethamine
- CAS number
- 77-86-1
- Molecular formula
- C4H11NO3
- Molecular weight
- 121.14 g/mol

About this molecule
Tris is a primary amino compound that is tert-butylamine in which one hydrogen attached to each methyl group is replaced by a hydroxy group. A compound widely used as a biological buffer substance in the pH range 79; pKa = 8.3 at 20 C; pKa = 7.82 at 37 C. It has a role as a buffer. It is a triol and a primary amino compound. It is a conjugate base of a member of Htris.
Source: ChEBI, via PubChem.
Identifiers
- IUPAC name
- 2-amino-2-(hydroxymethyl)propane-1,3-diol
- InChIKey
- LENZDBCJOHFCAS-UHFFFAOYSA-N
- SMILES
- C(C(CO)(CO)N)O
- Other CAS numbers recorded
- 126850-03-1 · 126850-06-4 · 126850-08-6 · 126850-05-3
- PubChem CID
- 6503
Also known as
Trometamol · Tris(Hydroxymethyl)aminomethane · Tham · Trisamine · 2-Amino-2-(hydroxymethyl)-1,3-propanediol · Tris buffer · Tromethane · Tris-base
Chemical data on this page is drawn from PubChem (National Library of Medicine) and is provided for identification only. Hanpars does not hold stock of every substance listed; availability, grade, documentation and regulatory status are confirmed per enquiry.
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