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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 72972Generated: October 23, 2026

4-Isopropoxybenzoic acid

NSC 16646 · NSC 83240 · AKOS BB-8630 · AKOS BBB/275 · AKOS B000069 · Fustic extract · ASISCHEM T31128 · AKOS BBS-00002792

https://huagongshe.com/en/chemical/72972

4-Isopropoxybenzoic acid molecular structure

Identifiers & Physical Properties

CAS No.13205-46-4
Molecular formulaC10H12O3
Average molar mass180.2 g/mol
Monoisotopic mass180.07864424 g/mol
SMILESCC(C)Oc1ccc(C(=O)O)cc1
InChIKeyZVERWTXKKWSSHH-UHFFFAOYSA-N
PubChem CID72972
ChEMBLCHEMBL1490033
EC No.236-169-4
DTXSIDDTXSID20157323

Chemical & Physical Properties

XLogP2.8
Topological polar surface area46.5
Hydrogen bond donors1
Hydrogen bond acceptors3
Rotatable bonds3
Heavy atoms13
Formal charge0
Complexity169
Melting point164-167 °C (lit.)
Boiling point297℃
Density1.130
Refractive index1.5160 (estimate)
Flash point116℃
Storage conditionsStore below +30°C.
pKa (acidity coefficient)pK1:4.68 (20°C)
Physical statepowder to crystal
ColorWhite to Almost white
SolubilityInsoluble in water.
InChI1S/C10H12O3/c1-7(2)13-9-5-3-8(4-6-9)10(11)12/h3-7H,1-2H3,(H,11,12)
InChIKeyZVERWTXKKWSSHH-UHFFFAOYSA-N
SMILESCC(C)Oc1ccc(cc1)C(O)=O
CAS DataBase Reference13205-46-4(CAS DataBase Reference)
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH335-H315-H319
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Hazard symbolsXi
Risk statements (R)36/37/38
Safety statements (S)24/25
Water hazard class (WGK)3
Hazard classIRRITANT
Customs code29189900
Storage class13 - Non Combustible Solids

Safety & Regulations

GHS classificationWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (85.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 7 reports by companies from 3 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 informationBenzoic acid, 4-(1-methylethoxy)-: Does not have an individual approval but may be used under an appropriate group standard
Hazard Classes and CategoriesSkin Irrit. 2 (100%)Eye Irrit. 2 (100%)STOT SE 3 (85.7%)
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
Customs code29189900
Risk statements (R)36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
Safety statements (S)24/25
Hazard classIRRITANT
Storage class13 - Non Combustible Solids
GHS hazard statementsH335-H315-H319
GHS precautionary statementsP261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313

Applications & Uses

Uses

4-Isopropoxybenzoic acid is used to prepare 5-(4-isopropoxyphenyl)-N-phenyl-1,3,4-thiadiazol-2-amine by reacting with N-phenylhydrazinecarbothioamide in the presence of phosphorusoxychloride.