Molekula
2-Ethylbutyryl chloride, 99%
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
2-Ethylbutyryl chloride, 99% is a reactive acyl chloride used in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty chemicals. It is a colorless to pale yellow liquid with a pungent odor. CAS: 2736-40-5, molecular formula: C6H11ClO, molecular weight: 134.60 g/mol. Store at ambient temperature. Hazardous: signal word Danger. Molekula supplies 2-Ethylbutyryl chloride, 99% 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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5 g — $50.10 per pack
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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 | Clear colourless to pale yellow liquid |
| Refractive Index | 1.4230 - 1.4250 @ 20°C |
| Assay | ≥ 98.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 33 °C |
| Transport Class | 3 (8) |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90028332 |
| CAS Number | 2736-40-5 |
| IUPAC Name | 2-ethylbutanoyl chloride |
| EC Number | 220-359-9 |
| Molecular Formula | (C2H5)2CHC(O)Cl |
| Molecular Weight | 134.60 |
| Exact Mass | 134.0498 |
| SMILES | CCC(CC)C(=O)Cl |
| InChIKey | SMUKODJVMQOSAB-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H11ClO/c1-3-5(4-2)6(7)8/h5H,3-4H2,1-2H3 |
| PubChem CID | 75954 |
| UN Number | UN2924 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2915905010 |
| Tariff Code | 2915907098 |
Safety & GHS
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Flammable
GHS02
-
Corrosive
GHS05
Hazard statements
- EUH029 Contact with water liberates toxic gas
- H225 Highly flammable liquid and vapour
- H290 May be corrosive to metals
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P234 Keep only in original container
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, 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-ethyl-n-butanoyl chloride
- 2-ethylbutanoyl chloride
- 2-Ethylbutyroyl chloride
- Butanoyl chloride, 2-ethyl-
- Butyryl chloride, 2-ethyl-
- diethylacetylchloride
- SMUKODJVMQOSAB-UHFFFAOYSA-N
Frequently asked questions
What is 2-Ethylbutyryl chloride used for?
It is primarily used as an intermediate in the synthesis of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of 2-Ethylbutyryl chloride?
The formula is (C2H5)2CHC(O)Cl with a molecular weight of 134.60 g/mol.
How should 2-Ethylbutyryl chloride be stored?
It should be stored at ambient temperature in a cool, dry place, away from moisture and incompatible materials.
What grade of 2-Ethylbutyryl chloride does Molekula supply?
We supply 2-Ethylbutyryl chloride at 99% purity, suitable for research and industrial applications.
Can Molekula supply 2-Ethylbutyryl chloride in bulk?
Yes, we can supply 2-Ethylbutyryl chloride in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of 2-Ethylbutyryl chloride?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.