Molekula
trans-2,3-Dibromo-2-buten-1,4-diol
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
trans-2,3-Dibromo-2-buten-1,4-diol is an organic dibromo diol compound used as a brominated building block in organic synthesis and as a reactive flame-retardant intermediate. It appears as a white to off-white crystalline solid with a CAS number of 3234-02-4, molecular formula C4H6Br2O2, and a molecular weight of 245.90 g/mol. Store at ambient temperatures, handling with care due to its hazardous nature (Signal word: Danger). Molekula supplies trans-2,3-Dibromo-2-buten-1,4-diol 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 — $113.60 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Melting Point | 112 - 116 Deg C |
| Loss on Drying | <0.1% |
| Assay | >98.5% |
| Residue on Ignition | <0.02% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 22602629 |
| CAS Number | 3234-02-4 |
| IUPAC Name | (E)-2,3-dibromobut-2-ene-1,4-diol |
| EC Number | 244-313-2 |
| Molecular Formula | C4H6Br2O2 |
| Molecular Weight | 245.90 |
| Exact Mass | 245.8714 |
| SMILES | C(/C(=C(/CO)\Br)/Br)O |
| InChIKey | MELXIJRBKWTTJH-ONEGZZNKSA-N |
| InChI | InChI=1S/C4H6Br2O2/c5-3(1-7)4(6)2-8/h7-8H,1-2H2/b4-3+ |
| PubChem CID | 641240 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| Tariff Code | 2905590090 |
Safety & GHS
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Toxic
GHS06
-
Health Hazard
GHS07
Hazard statements
- H301 Toxic if swallowed
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, Finnish, French, German, Italian, 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
- (2E)-2,3-Dibromo-2-butene-1,4-diol
- (2E)-2,3-dibromobut-2-ene-1,4-diol
- (E)-2,3-Dibromo-2-butene-1,4-diol
- 2-Butene-1,4-diol, 2,3-dibromo-
- 2-butene-1,4-diol, 2,3-dibromo-, (2E)-
- 2-Butene-1,4-diol, 2,3-dibromo-, (E)-
- 2,3-Dibromo-2-butene-1,4-diol, (E)-
- 2,3-DIBROMO-2-BUTENE-1,4-DIOL, TRANS-
- trans-2,3-Dibromo-1,4-dihydroxy-2-butene
- trans-2,3-Dibromo-2-butene-1,4-diol
Frequently asked questions
What is trans-2,3-Dibromo-2-buten-1,4-diol commonly used for?
This compound is primarily used as a precursor in organic synthesis, including the preparation of pharmaceutical intermediates, agrochemicals, and specialty polymers.
What is the chemical formula and molecular weight of trans-2,3-Dibromo-2-buten-1,4-diol?
The chemical formula is **C₄H₆Br₂O₂**, and the molecular weight is **245.90 g/mol**.
How should trans-2,3-Dibromo-2-buten-1,4-diol be stored?
Store in a tightly sealed container at **ambient temperature**, away from incompatible substances and moisture.
What grades or purities of trans-2,3-Dibromo-2-buten-1,4-diol does Molekula supply?
Molekula supplies this compound in **technical and research-grade purities**, typically ≥95% purity unless otherwise specified.
Can Molekula supply trans-2,3-Dibromo-2-buten-1,4-diol in bulk quantities?
Yes, we can provide bulk quantities upon request, subject to availability and minimum order quantities (MOQs).
What documentation comes with an order of trans-2,3-Dibromo-2-buten-1,4-diol?
Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and a product specification sheet.
Ready to order or need a custom pack?
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