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240141

Sigma-Aldrich

4-Hydroxybenzoic acid

ReagentPlus®, ≥99%

Sinónimos:

4-Carboxyphenol, 4-Hydroxybenzoic acid, Paraben-acid, p-Carboxyphenol, p-Hydroxybenzoic acid, p-Hydroxyl benzoic acid, p-Salicylic acid

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About This Item

Fórmula lineal:
HOC6H4CO2H
Número de CAS:
99-96-7
Peso molecular:
138.12
Beilstein/REAXYS Number:
970950
EC Number:
202-804-9
MDL number:
MFCD00002547
UNSPSC Code:
12352100
PubChem Substance ID:
24854406
NACRES:
NA.22
En este momento no podemos mostrarle ni los precios ni la disponibilidad

Quality Level

100

product line

ReagentPlus®

assay

≥99%

form

powder

mp

213-217 °C (lit.)

solubility

water: soluble 125 part(lit.)
acetone: soluble(lit.)
alcohol: freely soluble(lit.)
carbon disulfide: insoluble(lit.)
chloroform: slightly soluble(lit.)
diethyl ether: soluble(lit.)

functional group

carboxylic acid

SMILES string

OC(=O)c1ccc(O)cc1

InChI

1S/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10)

InChI key

FJKROLUGYXJWQN-UHFFFAOYSA-N

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General description

4-Hydroxybenzoic acid is an aromatic carboxylic acid commonly used as a building block in various organic reactions, such as in the synthesis of liquid crystals and parabens. It is also utilized in esterification reactions for synthesizing aromatic oligomers. [1] [2]

application

4-Hydroxybenzoic acid can be used as a reactant to synthesize:
  • Monoesters via esterification with sucrose.
  • Thermotropic liquid crystalline polymers[3].
  • 4-Hydroxybenzaldoxime via one-pot chemoenzymatic method[4].

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H318,H335

Hazard Classifications

Eye Dam. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
0000407466
0000403798
0000394474
0000351068
0000345174

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Sigma-Aldrich

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Questions

1–4 of 4 Questions  

  1. I see that Product 240141, 4-Hydroxybenzoic acid, is deleted. Which product do you offer in its place?

    1 answer

    1. Our best offer item is Product No. H20059.

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  2. How can Product 240141, 4-Hydroxybenzoic acid, be dissolved?

    1 answer

    1. According to the chemicals encyclopedia published by the Royal Society of Chemistry, 4-Hydroxybenzoic acid is freely soluble in alcohol, and soluble in about 125 parts water.

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  3. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  4. What is the shelf life of Product 240141, 4-Hydroxybenzoic acid?

    1 answer

    1. This information can be found on the product specification sheet for a related product (H20059).

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