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HomeProduct name list2,4-Dihydroxybenzoic acid

2,4-Dihydroxybenzoic acid

Synonym(s):β-Resorcylic acid

  • CAS NO.:89-86-1
  • Empirical Formula: C7H6O4
  • Molecular Weight: 154.12
  • MDL number: MFCD00002451
  • EINECS: 201-946-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-20 11:41:24
2,4-Dihydroxybenzoic acid Structural

What is 2,4-Dihydroxybenzoic acid?

Chemical properties

cream to slightly beige or pink crystalline powder

Chemical properties

Dihydroxybenzoic acid is a colorless solid and is used as a flavor modifier.

Occurrence

Reported present in avocados, beer, red wine, roast coffee, sherry, smoked sausage and white wine

The Uses of 2,4-Dihydroxybenzoic acid

2,4-Dihydroxybenzoic acid is used in Intermediates, Plasticizers, Plastic and Rubber Products, a organic building block.

The Uses of 2,4-Dihydroxybenzoic acid

Intermediate for dyestuffs and drugs; spot test reagent for iron.

What are the applications of Application

2,4-Dihydroxybenzoic acid is a organic building block

Preparation

Prepared from resorcinol and potassium bicarbonate in glycerol or water by heating and passing carbon dioxide through the mixture.

Purification Methods

Crystallise the acid from water. [Beilstein 10 IV 1420.]

Properties of 2,4-Dihydroxybenzoic acid

Melting point: 208-211 °C (dec.) (lit.)
Boiling point: 237.46°C (rough estimate)
Density  1.3725 (rough estimate)
vapor pressure  0Pa at 25℃
refractive index  1.6710 (estimate)
FEMA  3798 | 2,4-DIHYDROXYBENZOIC ACID
Flash point: 200 °C
storage temp.  Inert atmosphere,Room Temperature
solubility  8g/l
form  Crystalline Powder
pka 3.11, 8.55, 14.0(at 25℃)
color  Cream to slightly beige or pink
Odor at 100.00?%. mild phenolic
Water Solubility  8 g/L (20 ºC)
Merck  14,8157
JECFA Number 908
BRN  1946213
CAS DataBase Reference 89-86-1(CAS DataBase Reference)
NIST Chemistry Reference 2,4-Dihydroxybenzoic acid(89-86-1)
EPA Substance Registry System 2,4-Resorcylic acid (89-86-1)

Safety information for 2,4-Dihydroxybenzoic acid

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for 2,4-Dihydroxybenzoic acid

InChIKey UIAFKZKHHVMJGS-UHFFFAOYSA-N

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