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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 23665591Generated: October 23, 2026

Potassium Clavulanate

https://huagongshe.com/en/chemical/23665591

Potassium Clavulanate molecular structure

Identifiers & Physical Properties

CAS No.61177-45-5
Molecular formulaC8H8KNO5
Average molar mass237.25 g/mol
Monoisotopic mass237.00395384 g/mol
SMILESO=C([O-])[C@H]1/C(=C/CO)O[C@@H]2CC(=O)N21.[K+]
InChIKeyABVRVIZBZKUTMK-JSYANWSFSA-M
PubChem CID23665591
ChEMBLCHEMBL1003
ChEBICHEBI:85264
EC No.262-640-9
DTXSIDDTXSID60210067

Chemical & Physical Properties

Topological polar surface area89.9
Hydrogen bond donors1
Hydrogen bond acceptors5
Rotatable bonds2
Heavy atoms15
Formal charge0
Complexity329

Safety & Regulations

GHS classificationDangerH228 (100%): Flammable solid [Danger Flammable solids]H252 (74.6%): Self-heating in large quantitiesmay catch fire [Warning Self-heating substances and mixtures]H317 (69.5%): May cause an allergic skin reaction [Warning Sensitization, Skin]H319 (23.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H334 (69.5%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]H361 (13.6%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]P203, P210, P233, P235, P240, P241, P260, P261, P264+P265, P271, P272, P280, P284, P302+P352, P304+P340, P305+P351+P338, P318, P321, P333+P317, P337+P317, P342+P316, P362+P364, P370+P378, P403, P405, P407, P410, P413, P420, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 59 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Regulatory informationPotassium clavulanate: Does not have an individual approval but may be used under an appropriate group standard
Hazard Classes and CategoriesFlam. Sol. 1 (100%)Self-heat. 2 (74.6%)Skin Sens. 1 (69.5%)Eye Irrit. 2 (23.7%)Resp. Sens. 1 (69.5%)Repr. 2 (13.6%)Flam. Sol. 2 (100%)Self-heat. 2 (100%)Eye Irrit. 2 (100%)