Molekula
Fumaric acid
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
Fumaric acid is a dicarboxylic acid used in food preservation, pharmaceuticals, and polymer synthesis. It appears as a white crystalline powder and is soluble in water. CAS: 110-17-8, Molecular formula: HOOCCH=CHCOOH, Molecular weight: 116.07 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies Fumaric acid 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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £46.50 per pack ex VAT · £55.80 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Assay | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 230 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless crystals |
| Odour | Odorless |
| Melting Point | 287 °C decomposes |
| Boiling Point | 522 °C |
| Density | 1.635 g/cm³ at 20 °C |
| Water Solubility | 0.007 mg/L at 25 °C |
| Solubility (other solvents) | Soluble in ethanol, concentrated sulfuric acid; slightly soluble in ethyl ether, acetone |
| Vapour Pressure | 1.54 × 10⁻⁴ mmHg at 25 °C |
| pKa | pKa = 3.03 (at 18 °C) |
| log P (octanol/water) | 0.46 |
Source: PubChem CID 444972 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 15604498 |
| CAS Number | 110-17-8 |
| IUPAC Name | (E)-but-2-enedioic acid |
| EC Number | 203-743-0 |
| Molecular Formula | HOOCCH=CHCOOH |
| Molecular Weight | 116.07 |
| Exact Mass | 116.011 |
| SMILES | C(=C/C(=O)O)\C(=O)O |
| InChIKey | VZCYOOQTPOCHFL-OWOJBTEDSA-N |
| InChI | InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+ |
| PubChem CID | 444972 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29171917 |
| Tariff Code | 2917198090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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, English (US), 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)-but-2-enedioic acid
- (E)-2-Butenedioic acid
- Allomaleic acid
- Allomalenic acid
- Boletic acid
- Lichenic acid
- trans-1,2-Ethylenedicarboxylic acid
- trans-2-Butenedioic acid
- trans-Butenedioic acid
- Tumaric acid
Frequently asked questions
What is fumaric acid used for?
Fumaric acid is commonly used as a pH adjuster and acidulant in food and pharmaceutical applications, and as a monomer in polymer synthesis.
What is the chemical formula and molecular weight of fumaric acid?
The formula is HOOCCH=CHCOOH with a molecular weight of 116.07 g/mol.
How should fumaric acid be stored?
Store at ambient temperature, protected from moisture and direct sunlight.
What grade of fumaric acid does Molekula supply?
Molekula supplies fumaric acid in technical grade; custom grades available upon request.
Can Molekula supply fumaric acid in bulk?
Yes, Molekula can supply fumaric acid in bulk quantities; please contact sales for pricing and availability.
What documentation comes with a fumaric acid order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation available upon request.
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.