Molekula
1,8-Octanediol
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
1,8-Octanediol is a saturated diol used as a plasticizer, solvent, and intermediate in organic synthesis. It is a white crystalline solid at room temperature, with a melting point of about 57–61 °C. CAS: 629-41-4, Molecular Formula: C8H18O2, Molecular Weight: 146.23 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies 1,8-Octanediol 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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100 g — £57.50 per pack ex VAT · £69.00 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 solid |
| Purity | ≥99% |
| Saponification Value (mgKOH/g) | ≤3.0 |
| Acid number | ≤1.0 mgKOH/g |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 120 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 39367958 |
| CAS Number | 629-41-4 |
| IUPAC Name | octane-1,8-diol |
| EC Number | 211-090-8 |
| Molecular Formula | C8H18O2 |
| Molecular Weight | 146.23 |
| Exact Mass | 146.1307 |
| SMILES | C(CCCCO)CCCO |
| InChIKey | OEIJHBUUFURJLI-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H18O2/c9-7-5-3-1-2-4-6-8-10/h9-10H,1-8H2 |
| PubChem CID | 69420 |
| REACH Code | Y110 |
| HTS Code | 29055990 |
| Tariff Code | 2905399590 |
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
- P302+352 IF ON SKIN: Wash with soap and water
- 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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- .ALPHA.,.OMEGA.-OCTANEDIOL
- .OMEGA.-OCTANEDIOL
- 1,8-Dihydroxyoctane
- 1,8-OCTAMETHYLENE GLYCOL
- Octamethylene glycol
- Octan-1,8-diol
- Octane-1,8-diol
- Octanediol
- OEIJHBUUFURJLI-UHFFFAOYSA-N
- ORISTAR OTD
Frequently asked questions
What is 1,8-Octanediol used for?
It is used as a plasticizer, intermediate in organic synthesis, and in the production of polyesters and resins.
What is the chemical formula and molecular weight of 1,8-Octanediol?
The formula is C8H18O2 with a molecular weight of 146.23 g/mol.
How should 1,8-Octanediol be stored?
Store at ambient temperature, away from moisture and incompatible materials.
What grade of 1,8-Octanediol does Molekula supply?
We supply technical grade; custom grades available upon request.
Can Molekula supply 1,8-Octanediol in bulk?
Yes, we offer bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of 1,8-Octanediol?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
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.