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Phloroglucinol

Phloroglucinol Structure
CAS No.
108-73-6
Chemical Name:
Phloroglucinol
Synonyms
Benzene-1,3,5-triol;1,3,5-TRIHYDROXYBENZENE;1,3,5-BENZENETRIOL;3,5-DIHYDROXYPHENOL;Nero;PHLOROGLUCIN;Floroglucinol;TRIHYDROXYBENZENE;1,3,5-trihydroxy-benzen;orog
CBNumber:
CB0667672
Molecular Formula:
C6H6O3
Molecular Weight:
126.11
MOL File:
108-73-6.mol
MSDS File:
SDS
Modify Date:
2024/8/21 22:41:43

Phloroglucinol Properties

Melting point 215-220 °C
Boiling point 194.21°C (rough estimate)
Density 0.801 g/mL at 20 °C
vapor pressure 0.001Pa at 25℃
refractive index n20/D 1.365
Flash point 14 °C
storage temp. Store below +30°C.
solubility Soluble in diethyl ether, ethanol and pyridine.
form Crystalline Powder
pka pK1:8.45(0);pK2:8.88(-1) (25°C)
color White to light beige
Water Solubility 11.17g/L(room temperature)
Sensitive Light Sensitive & Hygroscopic
Merck 14,7328
BRN 1341907
InChIKey QCDYQQDYXPDABM-UHFFFAOYSA-N
LogP 0.55 at 25℃
CAS DataBase Reference 108-73-6(CAS DataBase Reference)
NIST Chemistry Reference 1,3,5-Benzenetriol(108-73-6)
EPA Substance Registry System 1,3,5-Benzenetriol (108-73-6)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H317-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  F,Xi
Risk Statements  11-36/37/38-34-43
Safety Statements  7-16-24/25-45-36/37/39-26-36/37-37/39
RIDADR  UN 1170 3/PG 2
WGK Germany  2
RTECS  SY1050000
TSCA  Yes
HS Code  29072900
Toxicity LD50 in mice, rats (g/kg): 4.7, 4.0 i.g. (Cahen)
NFPA 704
0
2 1

Phloroglucinol price More Price(17)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) P3502 Phloroglucinol Used to detect the presence of wood fiber. 108-73-6 25G ₹3615.55 2022-06-14 Buy
Sigma-Aldrich(India) P3502 Phloroglucinol Used to detect the presence of wood fiber. 108-73-6 100G ₹6007.88 2022-06-14 Buy
Sigma-Aldrich(India) P1178 Phloroglucinol suitable for plant cell culture, BioReagent 108-73-6 100G ₹10933.25 2022-06-14 Buy
Sigma-Aldrich(India) 79330 Phloroglucinol ≥99.0% (HPLC) 108-73-6 25G ₹4578.98 2022-06-14 Buy
Sigma-Aldrich(India) 8.18887 Phloroglucinol for synthesis 108-73-6 100G ₹10810 2022-06-14 Buy
Product number Packaging Price Buy
P3502 25G ₹3615.55 Buy
P3502 100G ₹6007.88 Buy
P1178 100G ₹10933.25 Buy
79330 25G ₹4578.98 Buy
8.18887 100G ₹10810 Buy

Phloroglucinol Chemical Properties,Uses,Production

Description

Phloroglucinol is a naturally occurring phenol that exhibits diverse biological activities. Phloroglucinol protects V79-4 Chinese hamster lung fibroblast cells from oxidative stress and inhibits lipid peroxidation by scavenging reactive oxygen species (ROS). It induces apoptosis in HT-29 human colon cancer cells and inhibits metastasis of BT549 and MDA-MB-231 human breast cancer cells. Phloroglucinol protects primary neurons from β-amyloid-induced dendritic spine loss in vitro and shortens the latency to find the platform in a Morris water maze test in an Alzheimer’s disease (AD) mouse model. Phloroglucinol has been used to stain histological plant sections and in the synthesis of numerous natural products. Phloroglucinol slows the frequency and decreases the amplitude of contraction in isolated rabbit and rat intestine at a concentration of 100 and 1 μM, respectively. Formulations containing phloroglucinol have been used as antispasmodics.

Chemical Properties

white to light yellow crystal

Physical properties

Phloroglucinol crystallizes in the anhydrous form or as the dihydrate. Recrystallization from water gives the dihydrate, which is colorless, oderless, sweet in taste, and forms rhombic crystals. The dihydrate is converted into the anhydrous form by heating at 110 ℃. Phloroglucinol sublimes at higher temperatures with partial decomposition.

Uses

Phloroglucinol is mainly used as a coupling agent in printing. It is an active component of Tollen's reagent and Gunzburg reagent used to test pentoses and hydrochloric acid in gastric juice respectively. In analytical chemistry, it is used to study condensed tannins by means of depolymerization. It is also involved in the synthesis of 2,4,6-triamino-1,3,5- trinitrobenzene, trinitrophloroglucinol and pharmaceuticals like flopropione.

Definition

ChEBI: Phloroglucinol is a benzenetriol with hydroxy groups at position 1, 3 and 5. It has a role as an algal metabolite.

Application

Phloroglucinol (phlo) is a phenol derivative that shows cyctoprotective effect from oxidative damage by enhancing the activity of cellular catalase.
It can react with benzaldehyde derivatives to form phloroglucinol-based microporous polymeric organic frameworks (phlo-POF) with potential applications in ion-exchange and gas adsorption.
Phlo can also be used to prepare synthetic analogs of A-type proanthocyanidins (PACs) such as 2,8-dioxabicyclo[3.3.1]nonane derivatives by reacting with the corresponding flavylium salts.

General Description

Phloroglucinol is a trihydroxybenzene with antithrombotic, profibrinolytic, antimicrobial, antimalarial, cancer chemopreventive, anti-HIV and anti-leishmanial activities. Phloroglucinol (PG) is a biosynthetic precursor of the 2,4-diacetylphloroglucinol (DAPG) an antibiotic against soil-borne diseases. Phloroglucinol is a useful intermediate because it is polyfunctional.

Safety Profile

Moderately toxic by subcutaneous and intraperitoneal routes. Mildly toxic by ingestion. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes. Used in diazo-type printing and textile dyeing, in microscopy as a bone specimen decalcifier

Purification Methods

Crystallise the triol from water, and store it in the dark under nitrogen. [Beilstein 6 IV 7361.]

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