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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 12239727Generated: October 27, 2026

2-Chloro-3-methylbutanoyl chloride

https://huagongshe.com/en/chemical/12239727

2-Chloro-3-methylbutanoyl chloride molecular structure

Identifiers & Physical Properties

CAS No.35383-59-6
Molecular formulaC5H8Cl2O
Average molar mass155.02 g/mol
Monoisotopic mass153.9952203 g/mol
SMILESCC(C)C(Cl)C(=O)Cl
InChIKeyAJCRZNJYNFAQAC-UHFFFAOYSA-N
PubChem CID12239727
EC No.834-981-9
DTXSIDDTXSID40481930

Chemical & Physical Properties

XLogP2.8
Topological polar surface area17.1
Hydrogen bond donors0
Hydrogen bond acceptors1
Rotatable bonds2
Heavy atoms8
Formal charge0
Complexity90

Safety & Regulations

GHS classificationDangerH227 (100%): Combustible liquid [Warning Flammable liquids]H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]H331 (100%): Toxic if inhaled [Danger Acute toxicity, inhalation]H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P210, P260, P261, P264, P270, P271, P280, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P319, P321, P330, P363, P370+P378, P403, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 2 reports by companies from 2 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.
Hazard Classes and CategoriesFlam. Liq. 4 (100%)Acute Tox. 4 (100%)Skin Corr. 1B (100%)Acute Tox. 3 (100%)STOT SE 3 (100%)