Molekula
Ricinoleic 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
Ricinoleic acid is a monounsaturated fatty acid derived from castor oil, commonly used in pharmaceuticals, cosmetics, and industrial lubricants. It is also used to make Turkey red oil and textile finishing agents, as a plasticizer and elastomer softener, and as a feedstock for sebacic acid and 12-hydroxystearic acid. It has a CAS number of 141-22-0, molecular formula C18H34O3, and a molecular weight of 298.46 g/mol. Store at -15 to -20 °C. Signal word: Warning. Molekula supplies Ricinoleic 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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100 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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 | Colorless to light yellow liquid |
| Water | ≤ 0.5 % |
| Identification | Conforms to reference |
| Iodine value (g I2/100g) | 95 to 125gI2/100g |
| Acid Value (mg KOH/g) | ≤ 170 to 195 mgKOH/g |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Flash Point | 224 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless to yellow viscous liquid |
| Melting Point | 5.5 °C |
| Boiling Point | 245 °C |
| Water Solubility | 3.46 g/L at 25 °C |
| Solubility (other solvents) | Soluble in alcohol, acetone, ether, chloroform |
| Refractive Index | 1.4716 |
Source: PubChem CID 643684 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 89993934 |
| CAS Number | 141-22-0 |
| IUPAC Name | (Z,12R)-12-hydroxyoctadec-9-enoic acid |
| EC Number | 205-470-2 |
| Molecular Formula | C18H34O3 |
| Molecular Weight | 298.46 |
| Exact Mass | 298.2508 |
| SMILES | CCCCCC[C@H](C/C=C\CCCCCCCC(=O)O)O |
| InChIKey | WBHHMMIMDMUBKC-QJWNTBNXSA-N |
| InChI | InChI=1S/C18H34O3/c1-2-3-4-11-14-17(19)15-12-9-7-5-6-8-10-13-16-18(20)21/h9,12,17,19H,2-8,10-11,13-16H2,1H3,(H,20,21)/b12-9-/t17-/m1/s1 |
| PubChem CID | 643684 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2918199000 |
| Tariff Code | 2918199890 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory 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
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
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
- (9Z,12R)-12-hydroxyoctadec-9-enoic acid
- 12-Hydroxy-cis-9-octadecenoic acid
- 12-hydroxyoleic acid
- Acide ricinoleique
- D-12-Hydroxyoleic acid
- Kyselina ricinolova
- l'acide ricinoleique
- Oleic acid, 12-hydroxy-
- Ricinic acid
- Ricinolic acid
Frequently asked questions
What is ricinoleic acid used for?
Ricinoleic acid is primarily used in the production of lubricants, surfactants, and pharmaceuticals due to its unique hydroxyl group and long hydrocarbon chain.
What is the chemical formula and molecular weight of ricinoleic acid?
The chemical formula is C18H34O3 and the molecular weight is 298.46 g/mol.
How should ricinoleic acid be stored?
It should be stored at temperatures between -15 to -20 °C to prevent degradation.
What grade of ricinoleic acid does Molekula supply?
Molekula supplies technical grade ricinoleic acid, suitable for industrial and research applications.
Can Molekula supply ricinoleic acid in bulk?
Yes, Molekula can supply ricinoleic acid in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a ricinoleic 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.