Molekula
Diazolidinyl urea
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
Diazolidinyl urea is a broad-spectrum antimicrobial preservative widely used in cosmetics, personal care products, and industrial formulations to prevent microbial growth. It inhibits bacteria, yeast, and mold, extending shelf life while maintaining product safety. Catalogue details: CAS 78491-02-8, molecular formula C8H14N4O7, molecular weight 278.22. Store at ambient conditions. Signal word: Warning.
Molekula supplies Diazolidinyl urea in 100 g and 500 g packs, from £37.08 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 8 languages. Larger quantities, up to multi-tonne, are quoted on request.
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.
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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100 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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500 g — £113.30 per pack ex VAT · £135.96 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 | White powder |
| pH | 6.0 - 8.0 |
| Loss on Drying | ≤3.0% |
| Residue on Ignition | ≤3.0% |
| Nitrogen (N) | 19.0 - 21.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90026968 |
| CAS Number | 78491-02-8 |
| IUPAC Name | 1-[1,3-bis(hydroxymethyl)-2,5-dioxoimidazolidin-4-yl]-1,3-bis(hydroxymethyl)urea |
| EC Number | 278-928-2 |
| Molecular Formula | C8H14N4O7 |
| Molecular Weight | 278.22 |
| Exact Mass | 278.0862 |
| SMILES | C(NC(=O)N(CO)C1C(=O)N(C(=O)N1CO)CO)O |
| InChIKey | SOROIESOUPGGFO-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H14N4O7/c13-1-9-7(18)10(2-14)5-6(17)12(4-16)8(19)11(5)3-15/h5,13-16H,1-4H2,(H,9,18) |
| PubChem CID | 62277 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29332100 |
| Tariff Code | 2933210090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H303 May be harmful if swallowed
- H319 Causes serious eye irritation
- H332 Harmful if inhaled
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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, English (US), French, German, Hungarian, 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
- 1-(1,3-Bis(hydroxymethyl)-2,5-dioxoimidazolidin-4-yl)-1,3-bis(hydroxymethyl)urea
- 1,3-Bis(hydroxymethyl)-5-[1,3-bis(hydroxymethyl)ureido]hydantoin
- 5-(1,3-bis(hydroxymethyl)ureido)-1,3-bis(hydroxymethyl)imidazol-2,5(3H,5H)dione
- Diazoimidazolium urea
- Diazolidinyl Urea (Technical Grade)
- GERMABEN II-E
- Germall 11
- Imidazolidinyl urea 11
- N,N'-Bis(hydroxymethyl) urea
- SOROIESOUPGGFO-UHFFFAOYSA-N
Frequently asked questions
What is Diazolidinyl urea commonly used for?
Diazolidinyl urea is primarily used as a preservative in cosmetic and personal care products, such as creams, lotions, and shampoos, to prevent microbial growth.
What is the chemical formula and molecular weight of Diazolidinyl urea?
The chemical formula is C₈H₁₄N₄O₇, and the molecular weight is 278.22 g/mol.
How should Diazolidinyl urea be stored?
Store at ambient temperature in a cool, dry place, away from direct sunlight and moisture.
What grade or purity is available for Diazolidinyl urea?
Molekula supplies Diazolidinyl urea as a white powder to the following specification: pH 6.0 - 8.0, loss on drying ≤3.0%, residue on ignition ≤3.0%, and nitrogen (N) content 19.0 - 21.5%.
Can Molekula supply Diazolidinyl urea in bulk quantities?
Yes, we offer bulk packaging options for Diazolidinyl urea, including drums and custom quantities—please contact us for details.
What documentation comes with an order of Diazolidinyl urea?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
Where can I buy Diazolidinyl urea?
Directly from Molekula, which lists Diazolidinyl urea in 100 g and 500 g packs from £37.08 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.