4-tert-Butylbenzoic acid CAS 98-73-7

Soluble in alcohol and benzene, insoluble in water. This product has moderate toxicity

4-tert-Butylbenzoic acid Basic information
Product Name:	4-tert-Butylbenzoic acid
CAS:	98-73-7
MF:	C11H14O2
MW:	178.23
EINECS:	202-696-3
Mol File:	98-73-7.mol
4-tert-Butylbenzoic acid Chemical Properties
Melting point	162-165 °C(lit.)
Boiling point	280°C
density	1.045 g/cm3 (30°C)
bulk density	340kg/m3
vapor pressure	<0.01 hPa (20 °C)
refractive index	1.5201 (estimate)
Fp	180 °C
storage temp.	Store below +30°C.
solubility	12.6g/l
pka	4.38(at 25℃)
form	Solid
color	White to Off-White
PH	3.9 (H2O, 20℃)(saturated solution)
Water Solubility	0.07 g/L (20 ºC)
BRN	607545
Henry's Law Constant	3.5×101 mol/(m3Pa) at 25℃, Zhang et al. (2010)
Cosmetics Ingredients Functions	PERFUMING
Cosmetics Ingredients Functions	FRAGRANCE
InChI	1S/C11H14O2/c1-11(2,3)9-6-4-8(5-7-9)10(12)13/h4-7H,1-3H3,(H,12,13)
InChIKey	KDVYCTOWXSLNNI-UHFFFAOYSA-N
SMILES	CC(C)(C)c1ccc(cc1)C(O)=O
LogP	3.4 at 21℃
CAS DataBase Reference	98-73-7(CAS DataBase Reference)
NIST Chemistry Reference	Benzoic acid, p-tert-butyl-(98-73-7)
EPA Substance Registry System	p-tert-Butylbenzoic acid (98-73-7)

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.