Cas no 66737-88-0 (3-Tert-butyl-4-hydroxybenzoic acid)

3-Tert-butyl-4-hydroxybenzoic acid is a versatile organic compound widely used in the pharmaceutical and food industries. It serves as an effective antioxidant, offering superior stability and resistance to heat and light. This compound is known for its strong hydroxyl group, which enhances its antioxidant properties. It is also highly compatible with various formulations, making it a preferred choice for protecting sensitive compounds from degradation.
3-Tert-butyl-4-hydroxybenzoic acid structure
66737-88-0 structure
Product Name:3-Tert-butyl-4-hydroxybenzoic acid
CAS No:66737-88-0
MF:C11H14O3
MW:194.227063655853
MDL:MFCD00016535
CID:821129
PubChem ID:14401510
Update Time:2025-07-20

3-Tert-butyl-4-hydroxybenzoic acid Chemical and Physical Properties

Names and Identifiers

    • 3-(tert-Butyl)-4-hydroxybenzoic acid
    • 3-Tert-butyl-4-hydroxybenzoic acid
    • 3-(1,1-Dimethylethyl)-4-hydroxy-benzaldehyde
    • 3-(tert-butyl)-4-hydroxybenzaldehyde
    • 4-Hydroxy-3-(2-methyl-2-propanyl)benzoic acid
    • 4-hydroxy-3tert-butyl benzoic acid
    • 4-hydroxy-3-tert-butylbenzaldehyde
    • 5-Di-tert-butyl-4-hydroxybenzaldehyde
    • Benzoic acid, 3-(1,1-dimethylethyl)-4-hydroxy-
    • PVFDJRIEGYDIEK-UHFFFAOYSA-N
    • 4-hydroxy-3-tert.butyl benzoic acid
    • RW3416
    • MB00243
    • CM10134
    • FCH1146328
    • AS06285
    • (+/-)-2-PHENYLCYCLO HEPTANONE
    • AM806064
    • SY045089
    • AX8089228
    • X5654
    • A21106
    • 3-tert-Butyl-4-hydroxybenzoic acid, Al
    • MFCD00016535
    • AKOS016011230
    • 3-tert-Butyl-4-hydroxybenzoic acid, AldrichCPR
    • EN300-6766912
    • 66737-88-0
    • 3-(tert-Butyl)-4-hydroxybenzoicacid
    • FT-0660324
    • DTXSID40559865
    • SCHEMBL384263
    • 4-Hydroxy-3-tert-Butylbenzoic Acid
    • Z1255386783
    • AS-43167
    • CS-0144090
    • DB-073791
    • 3-Tert-butyl-4-hydroxybenzoic acid;
    • MDL: MFCD00016535
    • Inchi: 1S/C11H14O3/c1-11(2,3)8-6-7(10(13)14)4-5-9(8)12/h4-6,12H,1-3H3,(H,13,14)
    • InChI Key: PVFDJRIEGYDIEK-UHFFFAOYSA-N
    • SMILES: OC1C=CC(C(=O)O)=CC=1C(C)(C)C

Computed Properties

  • Exact Mass: 194.09400
  • Monoisotopic Mass: 194.094294304g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 14
  • Rotatable Bond Count: 2
  • Complexity: 217
  • 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: 2.7
  • Topological Polar Surface Area: 57.5

Experimental Properties

  • Density: 1.162±0.06 g/cm3 (20 oC 760 Torr),
  • Melting Point: 156-158 oC
  • Boiling Point: 331.4±35.0℃/760mmHg
  • Solubility: Very slightly soluble (0.6 g/l) (25 o C),
  • PSA: 57.53000
  • LogP: 2.38790

3-Tert-butyl-4-hydroxybenzoic acid Security Information

3-Tert-butyl-4-hydroxybenzoic acid Customs Data

  • HS CODE:2918290000
  • Customs Data:

    China Customs Code:

    2918290000

    Overview:

    2918290000 Other carboxylic acids and anhydrides containing phenolic groups but not other oxy groups\Acyl halide\Peroxides and peroxyacids and their derivatives.Regulatory conditions:AB(Customs clearance form for Inbound Goods,Customs clearance form for outbound goods).VAT:17.0%.Tax refund rate:9.0%.MFN tariff:6.5%.general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Regulatory conditions:

    A.Customs clearance form for Inbound Goods
    B.Customs clearance form for outbound goods

    Inspection and quarantine category:

    R.Sanitary supervision and inspection of imported food
    S.Sanitary supervision and inspection of exported food

    Summary:

    HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

3-Tert-butyl-4-hydroxybenzoic acid Pricemore >>

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