2,4-Dihydroxybenzoic acid CAS 89-86-1

White needle shaped crystals. When crystallized from water, it contains crystalline water and becomes anhydrous at 100 ℃. Melting point 218-219 ℃ (rapid heating melting point 213 ℃). Dissolve in hot water, ethanol, and ether. Boiling in water, acid, or salt solution will remove carbon dioxide. Red color when interacting with ferric chloride.

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Model:
89-86-1
Brand:
bosschemical
Code:
89-86-1

Product Description

2,4-Dihydroxybenzoic acid Basic information
Uses Toxicity Usage limits Chemical properties Application Preparation
Product Name:	2,4-Dihydroxybenzoic acid
CAS:	89-86-1
MF:	C7H6O4
MW:	154.12
EINECS:	201-946-9
Mol File:	89-86-1.mol
2,4-Dihydroxybenzoic acid Chemical Properties
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
Fp	200 °C
storage temp.	Inert atmosphere,Room Temperature
solubility	8g/l
pka	3.11, 8.55, 14.0(at 25℃)
form	Crystalline Powder
color	Cream to slightly beige or pink
Odor	at 100.00?%. mild phenolic
biological source	synthetic
Water Solubility	8 g/L (20 ºC)
Merck	148,157
JECFA Number	908
BRN	1946213
InChIKey	UIAFKZKHHVMJGS-UHFFFAOYSA-N
LogP	0.98 at 23℃ and pH3.5
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)

2 4-Dihydroxybenzoic acid CAS 89-86-1 C7H6O4 Dye synthesis Food preservative Pesticide bactericide Photosensitive material developer Leather tanning agent Food packaging material antioxidant UV absorber

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Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)

Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis