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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 2468182Generated: October 23, 2026

3-Chloro-4,5-dihydroxybenzaldehyde

3-Chloro-4,5-dihydroxybenzaldehyde · Benzaldehyde, 3-chloro-4,5-dihydroxy-

https://huagongshe.com/en/chemical/2468182

3-Chloro-4,5-dihydroxybenzaldehyde molecular structure

Identifiers & Physical Properties

CAS No.34098-18-5
Molecular formulaC7H5ClO3
Average molar mass172.56 g/mol
Monoisotopic mass171.9927217 g/mol
SMILESO=Cc1cc(O)c(O)c(Cl)c1
InChIKeyRNNPYEYJHJEDLU-UHFFFAOYSA-N
PubChem CID2468182
ChEMBLCHEMBL2205140
EC No.866-052-9
DTXSIDDTXSID80955640

Chemical & Physical Properties

XLogP1.3
Topological polar surface area57.5
Hydrogen bond donors2
Hydrogen bond acceptors3
Rotatable bonds1
Heavy atoms11
Formal charge0
Complexity151
Storage conditions2-8°C, stored under nitrogen
AppearanceOff-white to light brown Solid
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH319-H315-H302-H335
GHS precautionary statementsP264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501-P264-P280-P302+P352-P321-P332+P313-P362

Safety & Regulations

GHS classificationWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Signal wordWarning
GHS pictogramGHS07
GHS hazard statementsH319-H315-H302-H335
GHS precautionary statementsP264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501-P264-P280-P302+P352-P321-P332+P313-P362