Aminophylline
Aminophylline (CAS: 317-34-0) is a white to off-white powder with the empirical formula C7H8N4O2 · 0.5C2H8N2 and a molecular weight of 210.21 g/mol. This compound is a complex of theophylline and ethylenediamine. It exhibits solubility in water, making it suitable for various chemical research applications. Aminophylline is primarily recognised for its role in respiratory research and as a phosphodiesterase inhibitor.
- IUPAC
- (Theophylline)2 · Ethylenediamine,3,7-Dihydro-1,3-dimethyl-1H-purine-2,6-dione, cmpd. with 1,2-ethanediamine (2:1),Theophylline hemi(ethylenediamine) complex
- Synonyms
- (Theophylline)2 · Ethylenediamine,3,7-Dihydro-1,3-dimethyl-1H-purine-2,6-dione, cmpd. with 1,2-ethanediamine (2:1),Theophylline hemi(ethylenediamine) complex

Respiratory Research
Aminophylline serves as a valuable tool in scientific investigations related to respiratory conditions. Its pharmacological properties are studied to understand mechanisms of bronchodilation and airway inflammation.
Phosphodiesterase Inhibition Studies
As a known phosphodiesterase inhibitor, Aminophylline is utilised in biochemical assays to explore cellular signaling pathways. This research aids in understanding cyclic nucleotide metabolism.
Cellular Signaling Research
Researchers employ Aminophylline to investigate various cellular processes, particularly those involving G proteins and cyclic nucleotides. Its activity provides insights into signal transduction mechanisms.
| Molecular weight | 210.21 |
|---|---|
| Empirical formula | C7H8N4O2 · 0.5C2H8N2 |
| Assay | ≥98% |
| Form | powder |
| Colour | white to off-white |
| Solubility | H2O: soluble50 mg/mL (solutions should be freshly prepared.)alcohol: insoluble |
| Storage temperature | −20°C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 Aminophylline used for?
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Aminophylline is primarily used in scientific research, particularly in studies related to respiratory function, phosphodiesterase inhibition, and cellular signaling pathways.
What is the CAS number and formula for Aminophylline?
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The CAS number for Aminophylline is 317-34-0, and its empirical formula is C7H8N4O2 · 0.5C2H8N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Aminophylline with an assay of ≥98%. We do not represent this product as USP, BP, or EP grade.
How should Aminophylline be handled?
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Aminophylline is classified as acutely toxic if swallowed (H301) and requires careful handling. Wear appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, faceshields, and gloves. Avoid ingestion and dust formation.
How is Aminophylline packed and shipped?
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Aminophylline is supplied as a white to off-white powder and is shipped according to relevant transport regulations for hazardous materials (UN 2811 6.1 / PGIII).
How can I request a sample or quote for Aminophylline?
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To request a sample or quote, please contact our sales team via the website or by phone, providing your specific requirements.
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