Molekula
7a-Ethyldihydro-1H,3H,5H-oxazolo(3,4-c)oxazole
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
7a-Ethyldihydro-1H,3H,5H-oxazolo(3,4-c)oxazole is a heterocyclic organic compound used in pharmaceutical research and synthetic chemistry. It is a crystalline solid with a molecular formula of C7H13NO2 and a molecular weight of 143.18 g/mol. It has a CAS number of 7747-35-5 and should be stored at ambient temperature. The substance is classified as dangerous. Molekula supplies 7a-Ethyldihydro-1H,3H,5H-oxazolo(3,4-c)oxazole 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.
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100 mL — £30.90 per pack ex VAT · £37.08 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Yellow to colourless liquid |
| Purity (GC) | ≥98% |
| Moisture | ≤2.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 79 °C |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 89999027 |
| CAS Number | 7747-35-5 |
| IUPAC Name | 7a-ethyl-1,3,5,7-tetrahydro-[1,3]oxazolo[3,4-c][1,3]oxazole |
| EC Number | 231-810-4 |
| Molecular Formula | C7H13NO2 |
| Molecular Weight | 143.18 |
| Exact Mass | 143.0946 |
| SMILES | CCC12COCN1COC2 |
| InChIKey | ZRCMGIXRGFOXNT-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H13NO2/c1-2-7-3-9-5-8(7)6-10-4-7/h2-6H2,1H3 |
| PubChem CID | 82190 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29349990 |
| Tariff Code | 2934999090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- 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
- P304+341 IF INHALED: If breathing is difficult, 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, 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-Aza-5-ethyl-3,7-dioxabicyclo(3.3.0)octane
- 1H,3H,5H-Oxazolo(3,4-c)oxazole, 7a-ethyldihydro-
- 1H,3H,5H-Oxazolo(3,4-c)oxazone, 7a-ethyldihydro-
- 5-Ethyl-1-aza-3,7-dioxabicyclo[3.3.0]octane
- 7-Ethylbicyclooxazolidine
- 7a-Ethyltetrahydro-1H-oxazolo[3,4-c]oxazole
- AMINE CS 1246
- Oxaban E
- Oxazolidine E
- TRUPTAN OX-E
Frequently asked questions
What is 7a-Ethyldihydro-1H,3H,5H-oxazolo(3,4-c)oxazole used for?
This compound, also known as 7-ethylbicyclooxazolidine (Bioban CS-1246 / Oxaban E), is mainly used as a formaldehyde-releasing antimicrobial preservative for metalworking fluids, coatings and other industrial water-based products. It is also used as a moisture scavenger and latent curing agent in polyurethanes.
What is the chemical formula and molecular weight?
The formula is C7H13NO2 with a molecular weight of 143.18 g/mol.
How should this compound be stored?
Store at ambient temperature, away from moisture and incompatible materials.
What grade is available?
Available in technical grade; custom purity levels may be requested.
Can Molekula supply this in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for details.
What documentation comes with the order?
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.