Molekula
Dimeryl diisocyanate
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
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
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 — $58.70 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 | 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.
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.