Cyclobutanecarboxylic acid
- CAS No.
- 3721-95-7
- Chemical Name:
- Cyclobutanecarboxylic acid
- Synonyms
- Cyclobutylcarboxylic acid;cyclobutanecarboxylate;Cyclobutane-1-carboxylic acid;obutanecarboxyL;Ring butyl forMate;RARECHEM AL BO 0291;Cyclo-butyl formic a;Cyclobutancarbonsure;CYCLO-BUTYL FORMIC ACID;Cyclobutanecarbonyl acid
- CBNumber:
- CB5113033
- Molecular Formula:
- C5H8O2
- Molecular Weight:
- 100.12
- MOL File:
- 3721-95-7.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/11/28 12:12:34
| Melting point | −7.5 °C(lit.) |
|---|---|
| Boiling point | 195 °C(lit.) |
| Density | 1.047 g/mL at 25 °C(lit.) |
| refractive index |
n |
| Flash point | 183 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | soluble in Chloroform, Methanol |
| form | Liquid |
| pka | pK1:4.785 (25°C) |
| color | Clear colorless to yellow |
| Specific Gravity | 1.047 |
| Water Solubility | Slightly soluble in water. |
| BRN | 1816777 |
| CAS DataBase Reference | 3721-95-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Cyclobutane carboxylic acid(3721-95-7) |
| EPA Substance Registry System | Cyclobutanecarboxylic acid (3721-95-7) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS05 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H314 | |||||||||
| Precautionary statements | P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 | |||||||||
| Hazard Codes | Xi,C | |||||||||
| Risk Statements | 36/37/38-34-20/21/22 | |||||||||
| Safety Statements | 23-24/25-36-26-45-36/37/39 | |||||||||
| RIDADR | 3265 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | GU1335000 | |||||||||
| F | 13 | |||||||||
| TSCA | T | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29162000 | |||||||||
| NFPA 704 |
|
Cyclobutanecarboxylic acid price More Price(5)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | C95609 | Cyclobutanecarboxylic acid 98% | 3721-95-7 | 5G | ₹2175.83 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | C95609 | Cyclobutanecarboxylic acid 98% | 3721-95-7 | 25G | ₹7869.78 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | C95609 | Cyclobutanecarboxylic acid 98% | 3721-95-7 | 100G | ₹16378.23 | 2022-06-14 | Buy |
| TCI Chemicals (India) | C0888 | Cyclobutanecarboxylic Acid min. 97.0 % | 3721-95-7 | 10G | ₹5000 | 2022-05-26 | Buy |
| TCI Chemicals (India) | C0888 | Cyclobutanecarboxylic Acid min. 97.0 % | 3721-95-7 | 25G | ₹6500 | 2022-05-26 | Buy |
Cyclobutanecarboxylic acid Chemical Properties,Uses,Production
Chemical Properties
CLEAR COLOURLESS TO SLIGHTLY AMBER LIQUID
Uses
Cyclobutanecarboxylic acid is used in water treatment, row materials for sodium fluosilicate potassium fluosilicateammonium fluosilicatecopper fluosilicatebarium fluosilicate and other fluosilicates and silicic tetrafluoride. It is also used in refining lead of electrolysis, as mordant and in the treatment of metal surface.
Preparation
Cyclobutanecarboxylic acid synthesis: Put 1,1-Cyclobutanedicarboxylic acid into a distillation device for heating, decarboxylate at about 160°C to release carbon dioxide, then heat for distillation, collect 189-195°C fractions as crude product, and re-distill to obtain the finished product cyclobutanecarboxylic acid. Yield 86%-91%.
Purification Methods
Dissolve the acid in aqueous HCO 3 then acidify with HCl and extract it into Et2O, wash with H2O, dry (Na2SO4), concentrate to a small volume, then distil it through a glass helices packed column. The S-benzylisothiuronium salt has m 176o (from EtOH), the anilide has m 112.5-113o, and the p-toluide has m 123o. [Payne & Smith J Org Chem 22 1680 1957, Kantaro & Gunning J Am Chem Soc 73 480 1951, Stodola & Heisig Org Synth Coll Vol III 213 1955, Beilstein 9 H 5.]
Cyclobutanecarboxylic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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