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4-Hydroxybenzoic acid, 99%, Thermo Scientific Chemicals Product Code.: 11424694
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4-Hydroxybenzoic acid, 99%, Thermo Scientific Chemicals

Product Code. 11424694
250 g
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Regulatory: This product is an isolated intermediate transported in accordance with Regulation (EC) 1907/2006 (REACH). All customers must complete a declaration before delivery.

Product Code. 11424694

Brand: Thermo Scientific Alfa Aesar A13700.30

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This item is not returnable. View return policy
Regulatory: This product is an isolated intermediate transported in accordance with Regulation (EC) 1907/2006 (REACH). All customers must complete a declaration before delivery.

Description

4-Hydroxybenzoic acid is used as an intermediate for dyes, antiseptics and active pharmaceutical ingredients. It is also used as a food preservative, corrosion inhibitor, anti-oxidant and an emulsifier. It reacts with 6-hydroxynaphthalene-2-carboxylic acid to prepare aromatic polyester called Vectran fiber. It acts as a precursor to prepare p-hydroxyphenylbenzoate, p-acetoxybenzoyl chloride and 4,4'-dihydroxybenzophenone. Further, it is used in paint additives, coating additives, processing aids, electrical and electronic products. In addition to this, it acts as a preservative in cosmetics and some ophthalmic solutions.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
4-Hydroxybenzoic acid is used as an intermediate for dyes, antiseptics and active pharmaceutical ingredients. It is also used as a food preservative, corrosion inhibitor, anti-oxidant and an emulsifier. It reacts with 6-hydroxynaphthalene-2-carboxylic acid to prepare aromatic polyester called Vectran fiber. It acts as a precursor to prepare p-hydroxyphenylbenzoate, p-acetoxybenzoyl chloride and 4,4′-dihydroxybenzophenone. Further, it is used in paint additives, coating additives, processing aids, electrical and electronic products. In addition to this, it acts as a preservative in cosmetics and some ophthalmic solutions.

Solubility
Soluble in water, alcohol, ethanol, ether, n-butanol and acetone. Slightly soluble in chloroform. Insoluble in carbon disulfide.

Notes
Incompatible with strong oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 99-96-7
Molecular Formula C7H6O3
Molecular Weight (g/mol) 138.12
MDL Number MFCD00002547
InChI Key FJKROLUGYXJWQN-UHFFFAOYSA-N
Synonym p-hydroxybenzoic acid, 4-carboxyphenol, benzoic acid, 4-hydroxy, p-salicylic acid, benzoic acid, p-hydroxy, para-hydroxybenzoic acid, 4-hydroxybenzoesaeure, p-carboxyphenol, 4-hydroxy benzoic acid, p-oxybenzoesaure germanShow MoreShow Less
PubChem CID 135
ChEBI CHEBI:30763
IUPAC Name 4-hydroxybenzoic acid
SMILES OC(=O)C1=CC=C(O)C=C1

Specifications

Melting Point 213°C to 218°C
Flash Point 199°C (390°F)
Assay Percent Range 99%
Quantity 250 g
Beilstein 970950
Merck Index 14,4812
Solubility Information Soluble in water,alcohol,ethanol,ether,n-butanol and acetone. Slightly soluble in chloroform. Insoluble in carbon disulfide.
Formula Weight 138.12
Percent Purity 99%
Chemical Name or Material 4-Hydroxybenzoic Acid

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5 results found
Lot Number Certificate Type Date Catalog Number
Lot NumberM20L013 Certificate TypeCertificate of Analysis Date22/01/2025 Catalog NumberA13700.0B,A13700.30,A13700.0I
Lot Number10253047 Certificate TypeCertificate of Analysis Date11/11/2024 Catalog NumberA13700.0B,A13700.30,A13700.0I
Lot Number10252263 Certificate TypeCertificate of Analysis Date04/09/2024 Catalog NumberA13700.0B,A13700.30,A13700.0I
Lot Number10250708 Certificate TypeCertificate of Analysis Date30/08/2024 Catalog NumberA13700.0B,A13700.30,A13700.0I
Lot Number10249320 Certificate TypeCertificate of Analysis Date29/01/2024 Catalog NumberA13700.0B,A13700.30,A13700.0I

Safety and Handling

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Product Identifier
  • 4-Hydroxybenzoic acid
 Signal Word
  • Danger
 Hazard Category
  • Serious eye damage/eye irritation Category 1
  • Specific target organ toxicity Category 3
 Hazard Statement
  • H318-Causes serious eye damage.
  • H335-May cause respiratory irritation.
 Precautionary Statement
  • P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
 Supplemental information
  • MIXTURE LIST-Contains : p-Hydroxybenzoic acid
SDS

RUO – Research Use Only

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