Molekula
Malic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Malic acid is a dicarboxylic acid used in food, pharmaceuticals, and cosmetics as an acidulant and pH adjuster. It appears as a white crystalline powder and is naturally found in apples and other fruits. CAS: 6915-15-7, Molecular formula: C4H6O5, Molecular weight: 134.09, Storage: Ambient, Signal word: Warning. Molekula supplies Malic 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
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 crystal powder or crystalline grains powder |
| Melting Point | 127.0°C - 132.0°C |
| Specific rotation | -0.1° ~ +0.1° |
| Heavy metals | ≤10ppm |
| Fumaric acid | ≤1.0% |
| Maleic acid | ≤0.05% |
| Assay | 99.0% - 100.5% |
| Sulphated Ash | ≤0.1% |
| Water insoluble matter | ≤0.1% |
| Lead (Pb) | ≤2ppm |
| Mercury (Hg) | ≤1ppm |
| Identification (IR) | Conforms to reference |
| Arsenic (As) | ≤2ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 203 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless crystals |
| Odour | Characteristic |
| Melting Point | 130.97 °C /OECD Guideline 102 (Melting point / Melting Range)/ |
| Solubility (other solvents) | It is highly soluble in methanol, ethanol, acetone, ether, and other polar solvents |
| Vapour Pressure | 3.28 × 10⁻⁸ mmHg at 25 °C (extrapolated) |
| pKa | pKa1 = 3.51 |
| log P (octanol/water) | -1.26 |
Source: PubChem CID 525 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90038057 |
| CAS Number | 6915-15-7 |
| IUPAC Name | 2-hydroxybutanedioic acid |
| EC Number | 210-514-9 |
| Molecular Formula | C4H6O5 |
| Molecular Weight | 134.09 |
| Exact Mass | 134.0215 |
| SMILES | C(C(C(=O)O)O)C(=O)O |
| InChIKey | BJEPYKJPYRNKOW-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9) |
| PubChem CID | 525 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2918.19.90.00 |
| Tariff Code | 2918199890 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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-Hydroxybutanedioic acid
- alpha-Hydroxysuccinic acid
- Butanedioic acid, hydroxy-
- Deoxytetraric acid
- Hydroxybutandisaeure
- hydroxybutanedioic acid
- hydroxysuccinic acid
- Kyselina jablecna
- Malic acid, DL-
- Pomalus acid
Frequently asked questions
What is malic acid used for?
Malic acid is commonly used as a pH adjuster and acidulant in food and beverages, and also in cosmetics and pharmaceuticals.
What is the chemical formula and molecular weight of malic acid?
The chemical formula is C4H6O5 and the molecular weight is 134.09 g/mol.
How should malic acid be stored?
Malic acid should be stored at ambient temperature, protected from moisture and heat.
What grade of malic acid does Molekula supply?
Molekula supplies food-grade malic acid suitable for use in food, cosmetics, and pharmaceutical applications.
Can Molekula supply malic acid in bulk?
Yes, Molekula can supply malic acid in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a malic acid order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.