Aminophylline
A mixture comprising of theophylline and ethylenediamine in a 2:1 ratio. — ChEBI
Safety documents & references
1 indexed referencesFind a product-specific SDS
Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.
Identity & molecular properties
Source-linked values| CAS number | 317-34-0 | ChEBI ↗ |
| Molecular formula | C2H8N2.2C7H8N4O2 | ChEBI ↗ |
| Molar mass | 420.434 g/mol | ChEBI ↗ |
| Monoisotopic mass | 420.1982 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:2659 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 420.43 g/mol | PubChem ↗ |
| Exact mass | 420.19819929 Da | PubChem ↗ |
PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.
Names & structural identifiers
Copy any identifieraminophylline1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione - ethane-1,2-diamine (2:1)FQPFAHBPWDRTLU-UHFFFAOYSA-NCn1c(=O)c2ncnc2n(C)c1=O.Cn1c(=O)c2ncnc2n(C)c1=O.NCCNInChI=1S/2C7H8N4O2.C2H8N2/c2*1-10-5-4(8-3-9-5)6(12)11(2)7(10)13;3-1-2-4/h2*3H,1-2H3,(H,8,9);1-4H2Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Safety classification · Japan
NITE / Japanese governmentAminophylline · 23A5139
| Endpoint | Reported classification |
|---|---|
| Acute toxicity （Oral） | Category 4 |
| Skin sensitization | Category 1 |
| Reproductive toxicity | Category 2, Additional category: Effects on or via lactation |
| Specific target organ toxicity - Single exposure | Category 1 (cardiovascular system, nervous system, digestive system) |
| Specific target organ toxicity - Repeated exposure | Category 1 (cardiovascular system, nervous system, digestive system) |
Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.
Read the original NITE classificationMass ↔ amount of substance
Calculated from sourced massUses 420.434 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsNCOHCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.