4-Chlorobutyryl chloride, 98%
Synonyms: p-Chlorobutyryl chloride · Butanoyl chloride, 4-chloro- · 4-Chlorobutyroyl chloride · 4-Chlorobutyric acid chloride
4-Chlorobutyryl chloride (CAS 4635-59-0) – acylating agent, Synthesis grade, 98%. C4H6Cl2O, MW 140.99. COA included. Worldwide shipping from Vaqora Chemicals.
About 4-Chlorobutyryl chloride, 98%
4-Chlorobutyryl chloride is an acylating agent in Synthesis grade carrying the CAS registry number 4635-59-0, specified at 98% purity. Formula C4H6Cl2O, molecular weight 140.99 g/mol. Systematically, it is named 4-chlorobutanoyl chloride. It is also known as p-Chlorobutyryl chloride or Butanoyl chloride, 4-chloro-.
In its supplied form it is a colourless to light yellow to light orange clear liquid. Literature values give a boiling point of 173-174 °C and a density of 1.26 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.
Key uses span pharmaceutical synthesis, fine chemical synthesis and agrochemical formulations. It is used across pharmaceutical manufacturing, academic and industrial research and agrochemical production.
Standard pack sizes are 250 g and 250 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.
Typical applications
- Pharmaceutical synthesis
- Fine chemical synthesis
- Agrochemical formulations
Industries
Specifications & identifiers
| Product name | 4-Chlorobutyryl chloride, 98% |
|---|---|
| Catalogue No. | VQ-009101 |
| CAS Number | 4635-59-0 |
| IUPAC name | 4-chlorobutanoyl chloride |
| Molecular formula | C4H6Cl2O |
| Molecular weight | 140.99 g/mol |
| Exact mass | 139.9796 |
| Grade | Synthesis |
| Purity / assay | 98% |
| HSN code | 29156010 |
| InChIKey | CDIIZULDSLKBKV-UHFFFAOYSA-N |
| SMILES | C(CC(=O)Cl)CCl |
| PubChem CID | 78370 |
| Physical form | Liquid |
|---|---|
| Appearance | Colourless to light yellow to light orange clear liquid |
| Boiling point | 173-174 °C |
| Density | 1.26 g/mL at 25 °C |
| LogP (XLogP3) | 1.7 |
| H-bond donors / acceptors | 0 / 1 |
| TPSA | 17.1 Ų |
| UN number | UN 3390 |
| Synonyms | p-Chlorobutyryl chloride, Butanoyl chloride, 4-chloro-, 4-Chlorobutyroyl chloride, 4-Chlorobutyric acid chloride, 4-Chlorobutanoic acid chloride, gamma-Chlorobutyryl chloride, Butyryl chloride, 4-chloro-, gamma-Chlorobutyroyl chloride, .gamma.-Chlorobutyryl chloride, 4-Chlorobutyl chloride, .gamma.-Chloro-n-butyryl chloride, 4chlorobutyroyl chloride |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H290May be corrosive to metalsH302Harmful if swallowedH314Causes severe skin burns and eye damageH330Fatal if inhaled
Precautionary statements: P234, P260, P264, P270, P271, P280, P284, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P320, P321, P330, P363, P390, P403 + P233, P405, P406, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of 4-Chlorobutyryl chloride, 98%?
The CAS Registry Number of 4-Chlorobutyryl chloride, 98% is 4635-59-0. It is also known as p-Chlorobutyryl chloride, Butanoyl chloride, 4-chloro-, 4-Chlorobutyroyl chloride.
What is the molecular formula and molecular weight of 4-Chlorobutyryl chloride, 98%?
4-Chlorobutyryl chloride, 98% has the molecular formula C4H6Cl2O and a molecular weight of 140.99 g/mol. Its IUPAC name is 4-chlorobutanoyl chloride.
Which grade and pack sizes of 4-Chlorobutyryl chloride, 98% can I order?
We supply 4-Chlorobutyryl chloride, 98% in Synthesis (98%) grade, in 250 g, 250 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with 4-Chlorobutyryl chloride, 98%?
Yes. Every lot of 4-Chlorobutyryl chloride, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can 4-Chlorobutyryl chloride, 98% be shipped internationally?
Yes. 4-Chlorobutyryl chloride, 98% is classified as hazardous (UN 3390), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about 4-Chlorobutyryl chloride, 98%
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