Isethionic acid ammonium salt
Isethionic acid ammonium salt (CAS 57267-78-4) is a sulfur-containing organic compound with the linear formula HOCH2CH2SO3NH4 and a molecular weight of 143.16. This white crystalline solid is primarily utilized as a building block and intermediate in various chemical synthesis applications. Its reliable quality and defined properties make it a valuable reagent for researchers and industrial chemists.
- IUPAC
- 2-Hydroxyethanesulfonic acid ammonium salt
- Synonyms
- 2-Hydroxyethanesulfonic acid ammonium salt

Chemical Synthesis
Isethionic acid ammonium salt serves as a versatile building block in organic synthesis. It can be employed in the preparation of more complex molecules and specialty chemicals.
Research and Development
This compound is suitable for laboratory-scale research and development projects investigating new synthetic routes or material properties involving sulfonic acid salts.
Intermediate for Functional Materials
It may act as an intermediate in the synthesis of polymers or other functional materials where a hydrophilic sulfonate group is desired.
| Molecular weight | 143.16 |
|---|---|
| Linear formula | HOCH2CH2SO3NH4 |
| Assay | 99% |
| Application | Isethionic acid ammonium salt may be used in chemical synthesis studies. |
| Melting point | 138-141 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Isethionic acid ammonium salt used for?
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Isethionic acid ammonium salt is used in chemical synthesis as a building block and intermediate, particularly in research and development settings.
What is the CAS number and formula for Isethionic acid ammonium salt?
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The CAS number is 57267-78-4, and the linear formula is HOCH2CH2SO3NH4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isethionic acid ammonium salt with an assay of 99%. This is a high-purity technical/research grade material; TSS does not represent it as USP, BP, or EP grade.
How should I handle Isethionic acid ammonium salt safely?
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Handle with care. This compound is classified as a warning irritant (H315, H319). Use a dust mask (type N95 US), safety eyeshields, and gloves. Ensure good ventilation and avoid dust formation. In case of eye contact, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do. Continue rinsing.
Is Isethionic acid ammonium salt a controlled substance?
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Based on the provided data, Isethionic acid ammonium salt is not indicated as a controlled substance.
How is Isethionic acid ammonium salt packed and shipped?
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Isethionic acid ammonium salt is carefully packed to maintain its integrity during transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Isethionic acid ammonium salt?
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Please use the 'Request a Quote' or 'Sample Request' forms on our website, or contact our sales team directly with your requirements.
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