Molekula
L-(+)-Mandelic 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
L-(+)-Mandelic acid is a chiral organic compound used in pharmaceutical synthesis and as a chiral resolving agent. It appears as a white to off-white crystalline powder. CAS: 17199-29-0, molecular formula: C6H5CH(OH)CO2H, molecular weight: 152.15 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies L-(+)-Mandelic 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
In stock — same-day dispatch
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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25 g — £30.90 per pack ex VAT · £37.08 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.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Melting Point | 130 - 135°C |
| Water | ≤ 0.5% |
| Specific rotation | +153.0 to +157.5° |
| Assay | ≥ 99.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 191 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 119 °C |
| pKa | pKa = 3.41 (at 25 °C) |
Source: PubChem CID 439616 (DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 41911890 |
| CAS Number | 17199-29-0 |
| IUPAC Name | (2S)-2-hydroxy-2-phenylacetic acid |
| EC Number | 241-240-8 |
| Molecular Formula | C6H5CH(OH)CO2H |
| Molecular Weight | 152.15 |
| Exact Mass | 152.0473 |
| SMILES | C1=CC=C(C=C1)[C@@H](C(=O)O)O |
| InChIKey | IWYDHOAUDWTVEP-ZETCQYMHSA-N |
| InChI | InChI=1S/C8H8O3/c9-7(8(10)11)6-4-2-1-3-5-6/h1-5,7,9H,(H,10,11)/t7-/m0/s1 |
| PubChem CID | 439616 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2918193100 |
| Tariff Code | 2918199825 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
- 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
- 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
- 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, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- (2S)-2-hydroxy-2-phenylacetic acid
- (S)-2-Hydroxy-2-phenylacetic acid
- (S)-alpha-hydroxybenzeneacetic acid
- (S)-Mandelic acid
- alpha-hydroxybenzeneacetate
- Benzeneacetic acid, alpha-hydroxy-, (alphaS)-
- D-2-Hydroxy-2-phenylacetic acid
- Mandelic acid, (S)-
- Mandelic acid, L-
Frequently asked questions
What is L-(+)-Mandelic acid used for?
It is used in organic synthesis, particularly in the production of pharmaceuticals and chiral intermediates.
What is the chemical formula and molecular weight of L-(+)-Mandelic acid?
The formula is C6H5CH(OH)CO2H and the molecular weight is 152.15 g/mol.
How should L-(+)-Mandelic acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of L-(+)-Mandelic acid does Molekula supply?
We supply L-(+)-Mandelic acid in high-purity analytical grade.
Can Molekula supply L-(+)-Mandelic acid in bulk?
Yes, we can supply L-(+)-Mandelic acid in bulk quantities—please contact us for pricing and availability.
What documentation comes with an order of L-(+)-Mandelic acid?
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.