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  8. 4-Hydroxybenzoic acid, 99%, Thermo Scientific Chemicals

4-Hydroxybenzoic acid, 99%, Thermo Scientific Chemicals

Product Code. 11434694
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5000 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.
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 german
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 5000 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

RUO – Research Use Only

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