Molekula
Dimezone S (4-Hydroxymethyl-4-methyl-1-phenyl-3-pyrazolidone)
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
Dimezone S (4-Hydroxymethyl-4-methyl-1-phenyl-3-pyrazolidone) is a chemical intermediate used in the synthesis of pharmaceuticals and dyes. It is a white to off-white crystalline powder with a molecular formula of C11H14N2O2 and a molecular weight of 206.24 g/mol. It is classified as a warning substance and should be stored at 2 to 8 °C. Molekula supplies Dimezone S 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.
-
100 g — $118.90 per pack
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 | White to cream - Orange crystalline powder |
| Melting Point | 122.5 - 125°C |
| Assay | ≥97.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 14131741 |
| CAS Number | 13047-13-7 |
| IUPAC Name | 4-(hydroxymethyl)-4-methyl-1-phenylpyrazolidin-3-one |
| EC Number | 235-920-3 |
| Molecular Formula | C11H14N2O2 |
| Molecular Weight | 206.24 |
| Exact Mass | 206.1055 |
| SMILES | CC1(CN(NC1=O)C2=CC=CC=C2)CO |
| InChIKey | DSVIHYOAKPVFEH-UHFFFAOYSA-N |
| InChI | InChI=1S/C11H14N2O2/c1-11(8-14)7-13(12-10(11)15)9-5-3-2-4-6-9/h2-6,14H,7-8H2,1H3,(H,12,15) |
| PubChem CID | 92238 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933199000 |
| Tariff Code | 2933199090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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, English (US), 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
- 1-Phenyl-4-methyl-4-hydroxymethyl-3-pyrazolidone
- 3-Pyrazolidinone, 4-(hydroxymethyl)-4-methyl-1-phenyl-
- 4-(Hydroxymethyl)-4-methyl-1-phenyl-3-pyrazolidinone
- 4-(Hydroxymethyl)-4-methyl-1-phenylpyrazolidin-3-one
- 4-Hydroxymethyl-4-methyl-1-phenyl-3-pyrazolidone
- 4-methyl-4-hydroxymethyl-1-phenyl-3-pyrazolidinone
- Dimezone S
- DSVIHYOAKPVFEH-UHFFFAOYSA-N
- Phenidone D/S (4-Hydroxymethyl-4-Methyl-1-Phenyl-3-Pyrazolidone)
Frequently asked questions
What is Dimezone S used for?
Dimezone S is primarily used as a photographic developer and in the synthesis of pharmaceuticals and dyes.
What is the chemical formula and molecular weight of Dimezone S?
The formula is C11H14N2O2 with a molecular weight of 206.24 g/mol.
How should Dimezone S be stored?
It should be stored at 2 to 8 °C to maintain stability and prevent degradation.
What grade of Dimezone S is available?
Molekula supplies Dimezone S in technical grade; custom grades may be available upon request.
Can Molekula supply Dimezone S in bulk?
Yes, Molekula can supply Dimezone S in bulk quantities—please contact sales for pricing and availability.
What documentation comes with a Dimezone S 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.