Molekula
L-Tartaric acid - EP Grade
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
L-Tartaric acid EP Grade is a naturally occurring organic acid found in grapes and other fruits, widely used in the food and beverage industry as an acidulant, flavor enhancer, and preservative. It is also employed in pharmaceuticals, cosmetics, and as a chiral building block in chemical synthesis. This European Pharmacopoeia (EP) grade meets strict purity standards for regulated applications. L-Tartaric acid (CAS 87-69-4) has the molecular formula HO2CCH(OH)CH(OH)CO2H and a molecular weight of 150.09 g/mol. It is stored at ambient conditions and classified with the signal word "Danger" due to its corrosive properties. Molekula supplies L-Tartaric acid EP Grade 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.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to Off-white crystalline powder |
| Melting Point | 168.0 - 170.0°C |
| Identification | Conforms with Identification tests A and B |
| Loss on Drying | ≤ 0.20% |
| Chloride (Cl-) | ≤ 30ppm |
| Sulphated Ash | ≤ 0.05% |
| Appearance of Solution | Not more intensely coloured that reference solution Y6 |
| Specific optical rotation | +12.0° to +12.8° |
| Residual Solvents | Total absence during manufacturing |
| Assay (Titration) | 99.7 - 100.5% |
| Iron (Fe) | ≤ 3ppm |
| Calcium (Ca) | ≤ 25ppm |
| Oxalate (Oxalic acid) | ≤ 50ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 210 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 206 °C |
| Density | 1.79 (relative, water = 1) |
| Solubility (other solvents) | Soluble in water and alcohol; 1 gm in 0.8 ml water |
| Vapour Pressure | 0.00000015 mmHg |
Source: PubChem CID 444305 (ICSC, Joint FAO/WHO Expert Committee on Food Additives (JECFA), Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90034780 |
| CAS Number | 87-69-4 |
| IUPAC Name | (2R,3R)-2,3-dihydroxybutanedioic acid |
| EC Number | 201-766-0 |
| Molecular Formula | HO2CCH(OH)CH(OH)CO2H |
| Molecular Weight | 150.09 |
| Exact Mass | 150.0164 |
| SMILES | [C@@H]([C@H](C(=O)O)O)(C(=O)O)O |
| InChIKey | FEWJPZIEWOKRBE-JCYAYHJZSA-N |
| InChI | InChI=1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2-/m1/s1 |
| PubChem CID | 444305 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2918120000 |
| Tariff Code | 2918120000 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H303 May be harmful if swallowed
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
- H402 Harmful to aquatic life
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- 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, 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
No alternate names recorded for this product.
Frequently asked questions
What is L-Tartaric acid (EP Grade) commonly used for in food and pharmaceutical applications?
L-Tartaric acid (EP Grade) is primarily used as an acidulant, flavoring agent, and chelating agent in food (e.g., beverages, jams, and candies) and as a pharmaceutical excipient for pH adjustment or tablet formulation.
What is the chemical formula and molecular weight of L-Tartaric acid?
The chemical formula is **HO2CCH(OH)CH(OH)CO2H**, and the molecular weight is **150.09 g/mol**.
How should L-Tartaric acid (EP Grade) be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture and incompatible substances.
What grade of L-Tartaric acid does Molekula supply, and is EP Grade available in bulk?
Molekula supplies **EP (European Pharmacopoeia) Grade** L-Tartaric acid, and yes, we can provide it in **bulk quantities** upon request.
What safety classification does L-Tartaric acid (EP Grade) have, and what documentation is included with an order?
The product is classified with the **signal word 'Danger'** (due to potential hazards like eye irritation). Documentation includes a **Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific testing reports** for EP compliance.
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