Cas no 98-73-7 (4-Tert-Butylbenzoic acid)

4-Tert-Butylbenzoic acid is a versatile, crystalline solid offering improved thermal stability compared to its parent compound. Its 4-t-butyl substitution enhances solubility in certain organic solvents and can modulate acid dissociation constants. This modification enables applications where thermal robustness is crucial alongside the characteristic properties of benzoic acids.
4-Tert-Butylbenzoic acid structure
4-Tert-Butylbenzoic acid structure
Product Name:4-Tert-Butylbenzoic acid
CAS No:98-73-7
MF:C11H14O2
MW:178.227663516998
MDL:MFCD00002563
CID:34975
PubChem ID:7403
Update Time:2026-05-14

4-Tert-Butylbenzoic acid Chemical and Physical Properties

Names and Identifiers

    • 4-(tert-Butyl)benzoic acid
    • PTBBA
    • P-T-BUTYLBENZOIC ACID
    • P-TERT-BUTYLBENZOIC ACID
    • RARECHEM AL BO 0693
    • 4-(1,1-dimethylethyl)-benzoicaci
    • 4-(1,1-dimethylethyl)benzoicacid
    • 4-(1,1-dimethylethyl)-Benzoicacid
    • 4-tbba
    • 4-t-butylbenzoic acid
    • 4-tert-butyl-benzoicaci
    • acidetert-butyl-4benzoique
    • Benzoic acid, 4-(1,1-dimethylethyl)-
    • butylbenzoicacid
    • Kyselina p-terc.butylbenzoova
    • p-sec-Butylbenzoic acid
    • p-Secondary-butylbenzoic acid
    • 4-?tert-?Butylbenzoic Acid
    • 4-Tert.-Butylbenzoic Acid
    • 4-tert-Butylbenzoic acid
    • 4-t-Bu-benzoic acid
    • 4-tert-Bu-lbenzoic acid
    • 4-tert-butyl-benzoic acid
    • Benzoic acid,4-tert-butyl
    • Benzoic acid,p-tert-butyl
    • Methyl 4-tert-butylbenzoate
    • para-tert-butylbenzoic acid
    • TBBA
    • 對叔丁基苯甲酸
    • Benzoic acid, p-tert-butyl-
    • 4-tert-Butylbenzoicacid
    • Benzoic acid, 4-tert-butyl-
    • Kyselina p-terc.butylbenzoova [Czech]
    • 43Z7T3VN0R
    • KDVYCTOWXSLNNI-UHFFFAOYSA-N
    • 4-(1,1-dimethyleth
    • 4-Tert-Butylbenzoic acid
    • MDL: MFCD00002563
    • Inchi: 1S/C11H14O2/c1-11(2,3)9-6-4-8(5-7-9)10(12)13/h4-7H,1-3H3,(H,12,13)
    • InChI Key: KDVYCTOWXSLNNI-UHFFFAOYSA-N
    • SMILES: O([H])C(C1C([H])=C([H])C(=C([H])C=1[H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])=O
    • BRN: 0607545

Computed Properties

  • Exact Mass: 178.09900
  • Monoisotopic Mass: 178.09938
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 13
  • Rotatable Bond Count: 2
  • Complexity: 183
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 3.9
  • Topological Polar Surface Area: 37.3
  • Surface Charge: 0

Experimental Properties

  • Color/Form: Colorless needle crystal or fine crystalline powder.
  • Density: 0.6
  • Melting Point: 162-165?°C (lit.)
  • Boiling Point: 280°C
  • Flash Point: Fahrenheit: 316.4 ° f < br / > Celsius: 158 ° C < br / >
  • Refractive Index: 1.5201 (estimate)
  • PH: 3.9 (H2O, 20℃)(saturated solution)
  • Solubility: 12.6g/l
  • Water Partition Coefficient: 0.07 g/L (20 oC)
  • PSA: 37.30000
  • LogP: 2.68230
  • pka: 4.38(at 25℃)
  • Solubility: Soluble in ethanol and benzene, insoluble in water.
  • Sensitiveness: Sensitive to humidity

4-Tert-Butylbenzoic acid Security Information

  • Symbol: GHS06
  • Prompt:dangerous
  • Signal Word:Danger
  • Hazard Statement: H302,H311,H332
  • Warning Statement: P280,P312
  • Hazardous Material transportation number:UN 2811 6.1/PG 3
  • WGK Germany:3
  • Hazard Category Code: 20/22
  • Safety Instruction: S22-S24/25-S61-S45-S36/37/39-S28A
  • RTECS:DG4708000
  • Hazardous Material Identification: T N
  • HazardClass:6.1
  • PackingGroup:III
  • TSCA:Yes
  • Storage Condition:Store at room temperature
  • Safety Term:6.1
  • Packing Group:III
  • Risk Phrases:R20/22; R24; R48/20/21/22; R51/53; R62

4-Tert-Butylbenzoic acid Customs Data

  • HS CODE:29163900
  • Customs Data:

    China Customs Code:

    2916399090

    Overview:

    2916399090 Other aromatic monocarboxylic acids. VAT:17.0% Tax refund rate:9.0% Regulatory conditions:nothing MFN tariff:6.5% general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to, Acrylic acid\Acrylates or esters shall be packaged clearly

    Summary:

    2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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4-Tert-Butylbenzoic acid Suppliers

Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:98-73-7)4-tert-Butylbenzoic acid
Order Number:sfd4895
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:33
Price ($):discuss personally
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:98-73-7)PTBBA
Order Number:LE18305;LE5904;LE5679050
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:19
Price ($):discuss personally

4-Tert-Butylbenzoic acid Spectrogram

13C NMR
13C NMR
1H NMR 300 MHz DMSO
1H NMR
Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:98-73-7)4-tert-Butylbenzoic acid
sfd4895
Purity:99.9%
Quantity:200kg
Price ($):Inquiry
Email
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:98-73-7)PTBBA
LE18305;LE5904;LE5679050
Purity:99%/99%/99%
Quantity:25KG,200KG,1000KG/25KG,200KG,1000KG/25KG,200KG,1000KG
Price ($):Inquiry/Inquiry/Inquiry
Email