3-Hydroxybenzoic ac...

3-Hydroxybenzoic acid--99-06-9

3-Hydroxybenzoic acid--99-06-9

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1 Kilogram

FOB Price: USD 1000.0000

  • Min.Order :1 Kilogram
  • Purity: 99%
  • Payment Terms : L/C,T/T

Keywords

3-Hydroxybenzoic acid--99-06-9 3-Hydroxybenzoic acid--99-06-9 3-Hydroxybenzoic acid--99-06-9

Quick Details

  • Appearance:white powder
  • Application:pharma
  • PackAge:as clients needs
  • ProductionCapacity:1|Metric Ton|Day
  • Storage:RT
  • Transportation:sea

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Details:

English name: 3-Hydroxybenzoic acid
English Synonyms: kyselina3-hydroxybenzoova; meta-Hydroxybenzoic acid; m-Hba; m-hydroxy- benzoicaci; m-Salicylic acid; m-salicylic acid; m-Hydroxybenzoic Acid 3-Hydroxybenzoic Acid; m-Hydroxybenzoic acid M-Hydroxybenzoic Acid
CAS number: 99-06-9
Molecular formula: C7H6O3
Molecular weight: 138.12
EINECS No. 202-726-5
Related Categories: Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; pharmacetical; Benzoic acid; C7; Carbonyl Compounds; Carboxylic Acids; Chemical Auxiliaries; Paper Chemicals; Chemicals for Pulping; Diphenyl Ether Herbicides; Herbicide Intermediates; Pesticide Intermediates; Aromatic Hydrocarbons; Building Blocks; Carbonyl Compounds; Carboxylic Acids; Chemical Synthesis; Nutrition Research; Organic Building Blocks; Phytochemicals by Plant (Food / Spice / Herb); Vaccinium myrtillus (Bilberry) ; General Reagents; Pharmaceutical Intermediates; Pyridines; Raw Materials; Carboxylic Acids
Mol File: 99-06-9.mol
M-hydroxybenzoic acid
M-hydroxybenzoic acid properties
Melting point 201 ° C
FEMA 4431 | 3-HYDROXYBENZOIC ACID
Flash point 220 ° C
Store below + 30 ° C.
Form Powder
Acidity (pKa) 4.06 (at 19 ° C)
Color White to off-white
PH 3 (H2O) Aqueous solution
Slightly soluble
BRN 508160
CAS Database 99-06-9 (CAS DataBase Reference)
NIST chemical information Benzoic acid, 3-hydroxy- (99-06-9)
EPA chemical information Benzoic acid, 3-hydroxy- (99-06-9)
Application and synthesis of m-hydroxybenzoic acid
Chemical properties of white crystals
Uses This product can be used fungicides, preservatives, plasticizers and pharmaceutical intermediates. Can also be used to azo dye synthesis.
Use as azo dye intermediates, but also for organic synthesis
Use as fungicides, preservatives, plasticizers and pharmaceutical intermediates, can also be used to synthesize azo dyes
Use between hydroxybenzoic acid herbicides fomesafen intermediates.
Use as fungicides, preservatives, plasticizers and pharmaceutical intermediates. Also used to synthesize dual dyes.
Use as fungicides, paints, preservatives, ion exchangers, plasticizers and pharmaceutical intermediates, can also be used to synthesize azo dyes.
Production methods by sulfonic acid benzoic acid, alkali melting, derived from hydrolysis.
Production methods The preparation of the past is based on benzoic acid as a raw material, sulfonated with sulfuric acid, then further alkali fusion, and then acidification of the finished product. The method of sulfonation, caustic soda corrosion, high temperature, poor operating environment, now no need for the process, but with m-cresol as raw material, with acetic anhydride or acetyl chloride to protect the carboxyl as acetate, and then further Air oxidation in the presence of a catalyst produces the corresponding carboxylic acid, which is hydrolyzed to yield the final product.
Production method 122 kg of benzoic acid into the reaction vessel, adding 100 kg of oleum under stirring. Warming to about 100 ℃, the reaction was about 2 h carboxyl sulfonic acid. Then the sulfonated liquid was transferred to an alkali melting pot, 45 kg of solid sodium hydroxide was added, the temperature was raised to melt, and the sodium carboxycarbonate was obtained after 4 to 5 h of reaction. Acidic hydrolysis was carried out by adding dilute sulfuric acid. Cooling crystallization, filter out sodium sulfate, the filter cake with activated carbon to obtain finished products. Reaction formula:
 
Security Information
Dangerous goods signs Xn, Xi
Hazard category code 22-36 / 37/38
Safety Instructions 26-36-37 / 39
WGK Germany 3
RTECS number DH1924980
Hazard Note Irritant
TSCA Yes
 

 

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