Crotonic acid
Crotonic acid (CAS: 107-93-7), with the linear formula CH₃CH=CHCOOH and a molar mass of 86.09 g/mol, is a trans-unsaturated carboxylic acid. It serves as a valuable organic building block in chemical synthesis. Notably, it is used in the creation of crotonic acid hydrogel systems, which are employed for controlled release of fertilizers and drugs, offering potential environmental benefits.
- IUPAC
- trans-2-Butenoic acid
- Synonyms
- trans-2-Butenoic acid
Hydrogel Synthesis
Crotonic acid is utilised in the copolymerization of hydrogel systems. These hydrogels, often crosslinked using gamma-rays, are designed for the controlled release of substances like fertilizers and drugs.
Chemical Intermediate
As an organic building block, crotonic acid finds application in various chemical synthesis pathways. Its unsaturated nature and carboxylic acid functionality make it a versatile reagent.
Controlled Release Systems
The hydrogels derived from crotonic acid have been explored for applications requiring sustained release of active agents, potentially reducing environmental pollution associated with conventional delivery methods.
| Molecular weight | 86.09 |
|---|---|
| Linear formula | CH3CH=CHCOOH |
| Assay | 98% |
| Boiling point | 180-181 °C(lit.) |
| Density | 1.027 g/mL at 25 °C(lit.) |
| Solubility | H2O: soluble |
| Vapour pressure | 0.19 mmHg (20 °C) |
| Melting point | 70-72 °C(lit.) |
| Vapour density | 2.97 (vs air) |
| Autoignition temp | 744 °F |
| Application | Crotonic acid is used in the copolymerization of crotonic acid hydrogel systems by using gamma-rays. The crosslinked copolymeric crotonic acid hydrogels release fertilizers and drugs that help to prevent environmental pollution1. |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 88 °C / 190.4 °F |
| Transport (UN / ADR) | UN 2823 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 21/22-34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 15.1 %, 171 °F2.2 %, 135 °F |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Crotonic acid used for?
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Crotonic acid is primarily used as a building block in chemical synthesis and in the development of crotonic acid hydrogel systems for controlled release of fertilizers and drugs.
What is the CAS number and formula for Crotonic acid?
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The CAS number for Crotonic acid is 107-93-7, and its linear formula is CH₃CH=CHCOOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Crotonic acid with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications.
What are the main safety hazards associated with Crotonic acid?
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Crotonic acid is classified with Danger signal word. It is harmful if swallowed (H302), harmful in contact with skin (H312), and causes severe skin burns and eye damage (H314).
How is Crotonic acid shipped or exported?
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Crotonic acid is shipped and exported under UN 2823, Hazard Class 8, Packing Group III.
How can I request a quote or sample for Crotonic acid?
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To request a quote or sample of Crotonic acid, please contact our sales team through the website or by phone.
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