Molekula
Dimeryl diisocyanate
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
Dimeryl diisocyanate is a high-molecular-weight diisocyanate used in the synthesis of polyurethane materials, particularly in specialty coatings and adhesives. It is a viscous liquid with a molecular formula of C38H70N2O2 and a molecular weight of 586.97 g/mol. Stored at 2 to 8 °C, it carries a warning signal word due to its reactivity and potential health hazards. Molekula supplies Dimeryl diisocyanate 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.
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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25 g — £30.90 per pack ex VAT · £37.08 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 | Yellow/ brown clear liquid |
| Water | ≤0.02% |
| Viscosity | <130mPa.s |
| pH | 5.0 - 6.5 |
| NCO | 13.6 - 14.4% |
| Colour (Gardner) | <5 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 258 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90028381 |
| CAS Number | 68239-06-5 |
| IUPAC Name | 3-heptyl-1,2-bis(9-isocyanatononyl)-4-pentylcyclohexane |
| EC Number | 269-419-6 |
| Molecular Formula | C38H70N2O2 |
| Molecular Weight | 586.97 |
| Exact Mass | 586.5437 |
| SMILES | CCCCCCCC1C(CCC(C1CCCCCCCCCN=C=O)CCCCCCCCCN=C=O)CCCCC |
| InChIKey | AMUBKBXGFDIMDJ-UHFFFAOYSA-N |
| InChI | InChI=1S/C38H70N2O2/c1-3-5-7-14-21-27-37-35(25-19-6-4-2)29-30-36(26-20-15-10-8-12-17-23-31-39-33-41)38(37)28-22-16-11-9-13-18-24-32-40-34-42/h35-38H,3-32H2,1-2H3 |
| PubChem CID | 109248 |
| UN Number | UN2206 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29291080 |
| Tariff Code | 2929100090 |
Safety & GHS
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Toxic
GHS06
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- EUH204 Contains isocyanates. May produce an allergic reaction.
- H301 + H331 Toxic if swallowed or inhaled
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P271 Use only outdoors or in a well-ventilated area
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists 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.
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-Heptyl-3,4-bis(9-isocyanatononyl)-1-pentylcyclohexane
- 3-heptyl-1,2-bis(9-isocyanatononyl)-4-pentylcyclohexane
- AMUBKBXGFDIMDJ-UHFFFAOYSA-N
- Cyclohexane, 2-heptyl-3,4-bis(9-isocyanatononyl)-1-pentyl-
Frequently asked questions
What is Dimeryl diisocyanate used for?
Dimeryl diisocyanate is primarily used in the synthesis of polyurethanes and as a crosslinking agent in specialty polymers.
What is the chemical formula and molecular weight of Dimeryl diisocyanate?
The formula is C38H70N2O2 with a molecular weight of 586.97 g/mol.
How should Dimeryl diisocyanate be stored?
It should be stored at temperatures between 2 to 8 °C, protected from moisture and light.
What grade of Dimeryl diisocyanate is available?
Molekula supplies Dimeryl diisocyanate in technical grade; custom grades are available upon request.
Can Molekula supply Dimeryl diisocyanate in bulk?
Yes, Molekula can supply Dimeryl diisocyanate in bulk quantities; please contact our sales team for details.
What documentation comes with a purchase of Dimeryl diisocyanate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS standards.
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.