Molekula
Ammonium L-(+)-tartrate
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
Ammonium L-(+)-tartrate is a salt used as a buffer, complexing agent and analytical reagent, and as an electrolyte, for example in the barrier-type anodic oxidation of aluminium. It is a salt formed from L-(+)-tartaric acid and ammonia. Available in high purity, it is stable at ambient temperatures and requires no special handling. CAS: 3164-29-2, Molecular Formula: C4H6O6 · 2H3N, Molecular Weight: 184.15 g/mol. Molekula supplies Ammonium L-(+)-tartrate 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
On backorder — expected to ship by 27 November 2026
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.
-
1 kg — £120.00 per pack ex VAT · £144.00 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 | Light yellow to white crystalline powder |
| Specific rotation | +28° - +36° |
| pH | 5.5 - 7.5 |
| Assay | ≥98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 54652419 |
| CAS Number | 3164-29-2 |
| IUPAC Name | diazanium;2,3-dihydroxybutanedioate |
| Molecular Formula | C4H6O6 . 2H3N |
| Molecular Weight | 184.15 |
| Exact Mass | 184.0695 |
| SMILES | C(C(C(=O)[O-])O)(C(=O)[O-])O.[NH4+].[NH4+] |
| InChIKey | NGPGDYLVALNKEG-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H6O6.2H3N/c5-1(3(7)8)2(6)4(9)10;;/h1-2,5-6H,(H,7,8)(H,9,10);2*1H3 |
| PubChem CID | 2724224 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2918135000 |
| Tariff Code | 2918130000 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
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.
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
- Ammonium(+)-tartrate
- Diammonium tartrate
- diazanium;2,3-dihydroxybutanedioate
- NGPGDYLVALNKEG-UHFFFAOYSA-N
- tartaric acid di-ammonium salt
Frequently asked questions
What is Ammonium L-(+)-tartrate used for?
It is primarily used as a chiral resolving agent in organic synthesis and as a reagent in the production of pharmaceuticals and fine chemicals.
What is the chemical formula and molecular weight?
The formula is C4H6O6 · 2H3N and the molecular weight is 184.15 g/mol.
How should Ammonium L-(+)-tartrate be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for Ammonium L-(+)-tartrate?
It is available in technical grade; custom purity grades may be available upon request.
Can Molekula supply Ammonium L-(+)-tartrate in bulk?
Yes, Molekula can supply Ammonium L-(+)-tartrate in bulk quantities; please contact our sales team for details.
What documentation comes with an order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided 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.