Isobutyl 4-hydroxybenzoate, 98%

About Isobutyl 4-hydroxybenzoate, 98%

Isobutyl 4-hydroxybenzoate is an ester (Synthesis grade) carrying the CAS registry number 4247-02-3, specified at 98% purity. Formula C11H14O3, molecular weight 194.23 g/mol. Systematically, it is named 2-methylpropyl 4-hydroxybenzoate. Common synonyms include Isobutyl Paraben and Isobutyl p-hydroxybenzoate.

It is supplied as white powder or crystals. Key physical data: a melting point of 75-80 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for cosmetics and personal care and organic synthesis. Typical end-use sectors are pharmaceutical manufacturing, academic and industrial research and cosmetics and personal care.

We offer Isobutyl 4-hydroxybenzoate in 5 g, 25 g and 100 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Cosmetics & personal care
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Isobutyl 4-hydroxybenzoate, 98%
Catalogue No.	VQ-008834
CAS Number	4247-02-3
IUPAC name	2-methylpropyl 4-hydroxybenzoate
Molecular formula	C₁₁H₁₄O₃
Molecular weight	194.23 g/mol
Exact mass	194.0943
Grade	Synthesis
Purity / assay	98%
HSN code	29420090
InChIKey	XPJVKCRENWUEJH-UHFFFAOYSA-N
SMILES	CC(C)COC(=O)C1=CC=C(C=C1)O
PubChem CID	20240

Physical properties
Physical form	Crystalline
Appearance	White powder or crystals
Melting point	75-80 °C
LogP (XLogP3)	3.4
H-bond donors / acceptors	1 / 3
TPSA	46.5 Å²
UN number	UN 3077
Synonyms	Isobutyl Paraben, Isobutyl p-hydroxybenzoate, Isobutyl-4-hydroxybenzoate, Isobutyl parahydroxybenzoate, Benzoic acid, 4-hydroxy-, 2-methylpropyl ester, isobutyl-p-hydroxybenzoate, BENZOIC ACID, p-HYDROXY-, ISOBUTYL ESTER, i-BHB, 4-Hydroxybenzoic Acid Isobutyl Ester, p-Hydroxybenzoic acid isobutyl ester, p-Oxybenzoesaureisobutylester, 4-Hydroxybenzoic acid-isobutyl ester

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H315Causes skin irritation
H318Causes serious eye damage

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P354 + P338, P317, P321, P332 + P317, P362 + P364

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Isobutyl 4-hydroxybenzoate, 98%?

The CAS Registry Number of Isobutyl 4-hydroxybenzoate, 98% is 4247-02-3. It is also known as Isobutyl Paraben, Isobutyl p-hydroxybenzoate, Isobutyl-4-hydroxybenzoate.

What is the molecular formula and molecular weight of Isobutyl 4-hydroxybenzoate, 98%?

Isobutyl 4-hydroxybenzoate, 98% has the molecular formula C11H14O3 and a molecular weight of 194.23 g/mol. Its IUPAC name is 2-methylpropyl 4-hydroxybenzoate.

Which grade and pack sizes of Isobutyl 4-hydroxybenzoate, 98% can I order?

We supply Isobutyl 4-hydroxybenzoate, 98% in Synthesis (98%) grade, in 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Isobutyl 4-hydroxybenzoate, 98%?

Yes. Every lot of Isobutyl 4-hydroxybenzoate, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Isobutyl 4-hydroxybenzoate, 98% be shipped internationally?

Yes. Isobutyl 4-hydroxybenzoate, 98% is classified as hazardous (UN 3077), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.