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4-Hydroxybenzoic acid

4-Hydroxybenzoic acid Structure
4-Hydroxybenzoic acid
  • CAS No.99-96-7
  • Chemical Name:4-Hydroxybenzoic acid
  • CBNumber:CB1412080
  • Molecular Formula:C7H6O3
  • Formula Weight:138.12
  • MOL File:99-96-7.mol
4-Hydroxybenzoic acid Property
  • Melting point: :213-217 °C(lit.)
  • Boiling point: :213.5°C (rough estimate)
  • Density  :1,46 g/cm3
  • FEMA  :3986 | 4-HYDROXYBENZOIC ACID
  • refractive index  :1.4600 (estimate)
  • Flash point: :199 °C
  • storage temp.  :Refrigerator
  • solubility  :methanol: soluble5%, clear to slightly hazy, colorless to faintly yellow
  • pka :4.48(at 19℃)
  • form  :Crystalline Powder
  • color  :White to ivory
  • PH :3.3 (1g/l, H2O, 20℃)
  • Water Solubility  :5 g/L (20 ºC)
  • Merck  :14,4812
  • JECFA Number :957
  • BRN  :970950
  • InChIKey :FJKROLUGYXJWQN-UHFFFAOYSA-N
  • CAS DataBase Reference :99-96-7(CAS DataBase Reference)
  • Substances Added to Food (formerly EAFUS) :4-HYDROXYBENZOIC ACID
  • EWG's Food Scores :3
  • FDA UNII :JG8Z55Y12H
  • NIST Chemistry Reference :Benzoic acid, 4-hydroxy-(99-96-7)
  • EPA Substance Registry System :p-Hydroxybenzoic acid (99-96-7)
Safety
  • Hazard Codes  :Xi
  • Risk Statements  :36-36/37/38
  • Safety Statements  :26-37/39-36
  • WGK Germany  :1
  • RTECS  :DH1925000
  • Autoignition Temperature :>250 °C
  • TSCA  :Yes
  • HS Code  :29182930
  • Hazardous Substances Data :99-96-7(Hazardous Substances Data)
  • Toxicity :LD50 orally in Rabbit: > 5000 mg/kg
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H402-H318-H335-H315-H319
  • Precautionary statements P261-P280a-P304+P340-P405-P501a-P280-P305+P351+P338+P310-P305+P351+P338-P264-P273-P305+P351+P338+P337+P313-P501
4-Hydroxybenzoic acid Price More Price(18)
  • Brand: Sigma-Aldrich
  • Product number: 240141
  • Product name : 4-Hydroxybenzoic acid
  • Purity: ReagentPlus , ≥99%
  • Packaging: 50g
  • Price: $29
  • Updated: 2020/08/18
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  • Brand: Sigma-Aldrich
  • Product number: 1609013
  • Product name : Salicylic acid Related Compound A
  • Purity: United States Pharmacopeia (USP) Reference Standard
  • Packaging: 100mg
  • Price: $1260
  • Updated: 2020/08/18
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: H0207
  • Product name : 4-Hydroxybenzoic Acid
  • Purity: >99.0%(GC)(T)
  • Packaging: 25g
  • Price: $14
  • Updated: 2020/06/24
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: H0207
  • Product name : 4-Hydroxybenzoic Acid
  • Purity: >99.0%(GC)(T)
  • Packaging: 100g
  • Price: $18
  • Updated: 2020/06/24
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  • Brand: Alfa Aesar
  • Product number: A13700
  • Product name : 4-Hydroxybenzoic acid, 99%
  • Purity: 
  • Packaging: 250g
  • Price: $18.3
  • Updated: 2020/06/24
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4-Hydroxybenzoic acid Chemical Properties,Usage,Production

  • Chemical Properties WHITE TO BEIGE CRYSTALLINE POWDER
  • Chemical Properties 4-Hydroxybenzoic acid is an odorless white crystalline astringent powder. In pure form, it imparts a sweetish taste at first, which quickly becomes acrid and disagreeable
  • Occurrence Reportedly present in apple juice, black currant, cheese, beer, grape brandy, rum, sherry, wines, cocoa, peanut, soybean and wort.
  • Uses p-Hydroxybenzoic acid is of significant commercial importance. The most familiar application is the use of several of its esters as preservatives, known as parabens. Also of interest is the use in liquid crystal polymer applications.
  • Uses Acetylsalicylic Acid Impurity A
  • Uses In organic. syntheses; intermediate for dyes, fungicides.
  • Definition ChEBI: A monohydroxybenzoic acid that is benzoic acid carrying a hydroxy substituent at C-4 of the benzene ring.
  • Preparation Prepared from p-bromophenol or p-hydroxybenzaldehyde, or from saponification of methyl salicylate, a major component of oil of wintergreen.
  • Aroma threshold values Detection at 5 ppm (water)
  • Synthesis Reference(s) Journal of the American Chemical Society, 106, p. 174, 1984 DOI: 10.1021/ja00313a035
    The Journal of Organic Chemistry, 29, p. 3459, 1964 DOI: 10.1021/jo01035a003
  • Purification Methods Crystallise the hydroxyacid from water. [Beilstein 10 IV 345.]
4-Hydroxybenzoic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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99-96-7, 4-Hydroxybenzoic acidRelated Search:
  • 4-hydroxy-benzoicaci
  • acidop-idrossibenzoico
  • Benzoic acid, p-hydroxy-
  • benzoicacid,4-hydroxy
  • Benzoicacid,4-hydroxy-
  • Hydroxybenzoic acid, para
  • Kyselina 4-hydroxybenzoova
  • kyselina4-hydroxybenzoova
  • p-hydroxybenzoic
  • PHBA
  • P-HYDROXYBENZOIC ACID
  • PARA HYDROXY BENZOIC ACID
  • RARECHEM AL BO 0112
  • FEMA 3986
  • HYDROXYBENZOIC ACID, 4-
  • AKOS BBS-00003776
  • ACETYLSALISYLIC ACID IMP A
  • ACETYLSALICYLIC ACID IMPURITY A
  • 4-Hydroxybenzoic acid Vetec(TM) reagent grade, 99%
  • 4-Hydroxybenzoic acid Solution, 100ppm
  • 4-Carboxyphenol
  • 4-hydroxy
  • Acetylsalicylic Acid IMpurity A (Aspirin IMpurity A)
  • Salicylic Acid Related CoMpound A
  • 4-Hydroxybenzoic acid ReagentPlus(R), >=99%
  • 4-Hydroxybenzoic acid ReagentPlus(R), 99%
  • p-Hydroxybenzoic acid, Standard for GC,>=99.5%(GC)
  • 4-HYDROXYBENZOIC ACID
  • 4-hydroxybenzenecarboxylic acid
  • PARA HYDROXY BENZONIC ACID
  • PARAHYDROXY BENZOIC ACID (POLYMER GRADE OF 99
  • 4-HYDROXYBENZOIC ACID, 99+%
  • P-HYDROXYBENZOIC ACID 99+%
  • 4-Hydroxybenzoic acid, 99.5%
  • 4-Hydroxybenzoic Acid-carboxyl-13C
  • P-HYDROXYBENZOICACID,REAGENT
  • PARA-HYDROXYBENZOATE
  • PARA-CARBOXYPHENOL
  • 4-Hydroxybenzoesure
  • 4-HYDROXYBENZOIC ACID / P-HYDROXYBENZOIC ACID
  • Aspirin EP IMpurity A
  • Aspirin IMpurity A
  • Aspirin Impurity 1
  • P-hydroxybenzoic acid (acetylsalicylic acid impurity A/aspirin impurity A)
  • p-hydroxy-benzoicaci
  • p-oxybenzoesaure
  • p-Salicylic acid
  • p-salicylicacid
  • 4-Hydroyxbenzoic acid
  • NSC 4961
  • Paraben-acid
  • p-Carboxyphenol
  • 4-Hydroxybenzoic acid, 99+% 100GR
  • LR-68
  • Hydroxybenzenecarboxylic acid
  • Salicylic Acid Related Compound A (100 mg) (4-hydroxybenzoic acid)
  • Acetylsalicylic Acid EP Impurity A
  • Acetylsalicylic Acid Impurity 1(Acetylsalicylic Acid EP Impurity A)