Molekula
5-(4-Dimethylaminobenzylidene)rhodanine
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
5-(4-Dimethylaminobenzylidene)rhodanine is an organic compound belonging to the rhodanine class, widely used in organic synthesis, dye chemistry, and as a ligand in coordination chemistry. In analytical chemistry it serves as a reagent for detecting silver, mercury, copper, gold, platinum and palladium ions. It serves as a key intermediate in the preparation of dyes, photochromic materials, and certain pharmaceuticals. This chemical has a CAS number of 536-17-4, with the molecular formula C12H12N2OS2 and a molecular weight of 264.34 g/mol. It is stored at ambient conditions and carries a signal word of "Warning" for safety classification. Molekula supplies 5-(4-Dimethylaminobenzylidene)rhodanine 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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1 g — £26.30 per pack ex VAT · £31.56 inc. VAT
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5 g — £57.30 per pack ex VAT · £68.76 inc. VAT
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10 g — £80.00 per pack ex VAT · £96.00 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 | Red powder |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 24067530 |
| CAS Number | 536-17-4 |
| IUPAC Name | (5E)-5-[[4-(dimethylamino)phenyl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one |
| Molecular Formula | C12H12N2OS2 |
| Molecular Weight | 264.34 |
| Exact Mass | 264.0391 |
| SMILES | CN(C)C1=CC=C(C=C1)/C=C/2\C(=O)NC(=S)S2 |
| InChIKey | JJRVRELEASDUMY-JXMROGBWSA-N |
| InChI | InChI=1S/C12H12N2OS2/c1-14(2)9-5-3-8(4-6-9)7-10-11(15)13-12(16)17-10/h3-7H,1-2H3,(H,13,15,16)/b10-7+ |
| PubChem CID | 1273211 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29341090 |
| Tariff Code | 2934100090 |
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
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+352 IF ON SKIN: Wash with soap and water
- 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
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
- (5E)-5-[4-(dimethylamino)benzylidene]-2-mercapto-1,3-thiazol-4(5H)-one
- 4-Dimethylaminobenzylidenerhodanine
- 4-Thiazolidinone, 5-[[4-(dimethylamino)phenyl]methylene]-2-thioxo-
- 5-(4-(Dimethylamino)benzylidene)-2-mercaptothiazol-4(5H)-one
- 5-(p-dimethylaminobenzylidene)rhodanine
- p-(Dimethylamino)benzal-5-rhodanine
- p-(Dimethylamino)benzylidenerhodanine
- p-Dimethylaminobenzalrhodanine
- p-Dimethylaminobenzylidene rhodamine
- USAF PD-20
Frequently asked questions
What is 5-(4-Dimethylaminobenzylidene)rhodanine (CAS 536-17-4) commonly used for?
This compound is primarily used in organic synthesis, including as a key reagent in the preparation of dyes, pigments, and certain pharmaceutical intermediates. It is also used as an analytical reagent and indicator for silver, gold, palladium, mercury and copper ions, for example as the indicator in argentometric cyanide titration.
What is the molecular formula and molecular weight of this product?
The molecular formula is C12H12N2OS2, and the molecular weight is 264.34 g/mol.
How should this chemical be stored?
Store at ambient temperature in a cool, dry place, away from incompatible substances and direct sunlight. Ensure the container is tightly sealed.
What purity grades are available for this compound?
Molekula supplies this product in analytical (ACS) and synthetic-grade purity—typically ≥97% by HPLC or equivalent analytical method.
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk packaging options for this compound, including drums and custom quantities upon request—contact our sales team for specific availability.
What documentation is provided with an order of this chemical?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity, identity, and storage instructions.
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.