Molekula
2-Thiobarbituric 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
2-Thiobarbituric acid is a heterocyclic organic compound used in research and synthesis, particularly in the development of pharmaceuticals and analytical reagents. It is a white to off-white crystalline powder with a molecular formula of C4H4N2O2S and a molecular weight of 144.15 g/mol. It is stable at ambient temperatures and should be stored under normal conditions. The substance is classified with a warning signal word due to potential hazards. Molekula supplies 2-Thiobarbituric 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.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Yellowish powder |
| Loss on Drying | <0.5% |
| Assay | 99% min |
| Sulphated Ash | <0.5% |
| Dimer | <0.20% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
For research use only. Not for human use.
Identification
| Property | Value |
|---|---|
| SKU | 34943527 |
| CAS Number | 504-17-6 |
| IUPAC Name | 2-sulfanylidene-1,3-diazinane-4,6-dione |
| EC Number | 207-985-8 |
| Molecular Formula | C4H4N2O2S |
| Molecular Weight | 144.15 |
| Exact Mass | 143.9993 |
| SMILES | C1C(=O)NC(=S)NC1=O |
| InChIKey | RVBUGGBMJDPOST-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H4N2O2S/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9) |
| PubChem CID | 2723628 |
| UN Number | UN3335 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2933.59.9500 |
| Tariff Code | 2933599590 |
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
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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.
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
- 2-Mercapto-4,6-dihydroxypyrimidine
- 2-Mercaptobarbituric acid
- 2-sulfanylidene-1,3-diazinane-4,6-dione
- 2-sulfanylidenedihydropyrimidine-4,6(1H,5H)-dione
- 4,6(1H,5H)-Pyrimidinedione, dihydro-2-thioxo-
- Austranal
- Barbituric acid, 2-thio-
- Bathyran
- Dihydro-2-thioxo-4,6(1H,5H)-pyrimidinedione
- Thiobarbituric acid
Frequently asked questions
What is 2-Thiobarbituric acid used for?
It is primarily used as a reagent in analytical chemistry, particularly in the detection of malondialdehyde in lipid peroxidation studies.
What is the chemical formula and molecular weight of 2-Thiobarbituric acid?
The formula is C4H4N2O2S with a molecular weight of 144.15 g/mol.
How should 2-Thiobarbituric acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 2-Thiobarbituric acid?
It is available in analytical grade for laboratory use.
Can Molekula supply 2-Thiobarbituric acid in bulk?
Yes, Molekula can supply 2-Thiobarbituric acid in bulk quantities—please contact our sales team for details.
What documentation comes with an order of 2-Thiobarbituric 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.