4-methylphenoxyacetic acid

Modify Date: 2026-07-04 08:11:43

4-methylphenoxyacetic acid Structure
4-methylphenoxyacetic acid structure
Common Name 4-methylphenoxyacetic acid
CAS Number 940-64-7 Molecular Weight 166.174
Density 1.2±0.1 g/cm3 Boiling Point 297.2±15.0 °C at 760 mmHg
Molecular Formula C9H10O3 Melting Point 140-142 °C(lit.)
MSDS Chinese USA Flash Point 120.0±13.9 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name (4-methylphenoxy)acetic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 297.2±15.0 °C at 760 mmHg
Melting Point 140-142 °C(lit.)
Molecular Formula C9H10O3
Molecular Weight 166.174
Flash Point 120.0±13.9 °C
Exact Mass 166.062988
PSA 46.53000
LogP 1.80
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.537
InChIKey SFTDDFBJWUWKMN-UHFFFAOYSA-N
SMILES Cc1ccc(OCC(=O)O)cc1

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S37/39
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2918990090

 Synthetic Route

 Customs

HS Code 2918990090
Summary 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 4-methylphenoxyacetic acidBioassay

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Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: Screen for inhibitors of RMI FANCM (MM2) intereaction
Source: 11908
Target: N/A
External Id: RMI-FANCM-MM2
Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: Octanol-water partition coefficient, log P of the compound
Source: ChEMBL
Target: N/A
External Id: CHEMBL3256050
Name: Inhibitors of CDC25B-CDK2/CyclinA interaction
Source: Center for Chemical Genomics, University of Michigan
External Id: MScreen:TargetID_600
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: Cyclohexanol-water partition coefficient, log P of the compound
Source: ChEMBL
Target: N/A
External Id: CHEMBL3256054
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
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 Synonyms

(4-Methylphenoxy)acetic acid
2-(4-methylphenoxy)acetic acid
EINECS 213-374-7
MFCD00014365
4-methylphenoxyacetic acid
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