Molekula
Tris maleate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Tris maleate is a buffering agent and pH stabilizer derived from tris(hydroxymethyl)aminomethane and maleic acid, commonly used in biochemical research, cell culture media, and pharmaceutical formulations to maintain precise pH levels. This chemical has a CAS number of 72200-76-1, a molecular formula of NH2C(CH2OH)3 · C4H4O4, and a molecular weight of 237.21. It is stable under ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Tris maleate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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100 g — $266.50 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Identification | Conforms to reference |
| Assay | ≥ 99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 33657197 |
| CAS Number | 72200-76-1 |
| IUPAC Name | bis(2-amino-2-(hydroxymethyl)propane-1,3-diol);(Z)-but-2-enedioic acid |
| EC Number | 276-455-6 |
| Molecular Formula | NH2C(CH2OH)3 · C4H4O4 |
| Molecular Weight | 237.21 |
| Exact Mass | 358.1587 |
| SMILES | C(C(CO)(CO)N)O.C(C(CO)(CO)N)O.C(=C\C(=O)O)\C(=O)O |
| InChIKey | POSZUTFLHGNLHX-KSBRXOFISA-N |
| InChI | InChI=1S/2C4H11NO3.C4H4O4/c2*5-4(1-6,2-7)3-8;5-3(6)1-2-4(7)8/h2*6-8H,1-3,5H2;1-2H,(H,5,6)(H,7,8)/b;;2-1- |
| PubChem CID | 6450418 |
| REACH Code | Y113 |
| HTS Code | 29221970 |
| Tariff Code | 2922190090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)ammonium hydrogen maleate
- (2Z)-but-2-enedioic acid; bis(2-amino-2-(hydroxymethyl)propane-1,3-diol)
- 2-amino-2-(hydroxymethyl)propane-1,3-diol (2Z)-but-2-enedioate (2:1)
- 2-amino-2-(hydroxymethyl)propane-1,3-diol;(Z)-but-2-enedioic acid
- bis[1,3-dihydroxy-2-(hydroxymethyl)propan-2-aminium] (2Z)-3-carboxyprop-2-enoate
- POSZUTFLHGNLHX-KSBRXOFISA-N
- TRIS maleate salt
- Tromethamine maleate
Frequently asked questions
What is Tris maleate commonly used for in research or industrial applications?
Tris maleate is primarily used as a buffer in biochemical and molecular biology applications, such as electrophoresis, enzyme assays, and protein crystallization, due to its stable pH across a range of temperatures.
What is the chemical formula and molecular weight of Tris maleate?
The chemical formula is **NH₂C(CH₂OH)₃ · C₄H₄O₄**, and the molecular weight is **237.21 g/mol**.
How should Tris maleate be stored?
Store Tris maleate at **ambient temperature** in a tightly sealed container, away from moisture and strong oxidizing agents.
What purity grades of Tris maleate does Molekula supply?
Molekula supplies Tris maleate in **analytical and biochemical grades**, with purity typically ≥99% for research applications.
Can Molekula supply Tris maleate in bulk quantities?
Yes, Molekula can provide Tris maleate in bulk, with quantities tailored to meet customer requirements—please contact us for specific inquiries.
What documentation is included with a Tris maleate order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.