3,5-Dimethoxyphenol
- CAS No.
- 500-99-2
- Chemical Name:
- 3,5-Dimethoxyphenol
- Synonyms
- Phenol, 3,5-dimethoxy-;NSC 70955;Taxicatigenin;3,5-DIMETHOXYPHENOL;3,5-Dimethoxyphenol>3,5-Dimethoxyphenol,97%;3,5-DiMethoxyphenol 99%;DIMETHOXYPHENOL, 3,5-(P);Phloroglucinol Impurity 24;Phloroglucin dimethyl ether
- CBNumber:
- CB2268778
- Molecular Formula:
- C8H10O3
- Molecular Weight:
- 154.16
- MOL File:
- 500-99-2.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/5/25 18:01:02
| Melting point | 40-43 °C (lit.) |
|---|---|
| Boiling point | 172-175 °C/17 mmHg (lit.) |
| Density | 1.1690 (rough estimate) |
| refractive index | 1.4745 (estimate) |
| Flash point | 173 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| pka | pK1:9.345 (25°C) |
| form | Liquid |
| color | Clear colorless to orange-red to pale pink-brownish |
| Water Solubility | Soluble in methanol, ethanol, benzene, water (slightly), and chloroform. |
| Sensitive | Air & Light Sensitive |
| BRN | 1239156 |
| InChIKey | XQDNFAMOIPNVES-UHFFFAOYSA-N |
| LogP | 1.640 |
| CAS DataBase Reference | 500-99-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Phenol, 3,5-dimethoxy-(500-99-2) |
| EPA Substance Registry System | Phenol, 3,5-dimethoxy- (500-99-2) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36-37/39 | |||||||||
| WGK Germany | 3 | |||||||||
| F | 10 | |||||||||
| Hazard Note | Irritant | |||||||||
| HS Code | 29095090 | |||||||||
| NFPA 704 |
|
3,5-Dimethoxyphenol price More Price(4)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 132632 | 3,5-Dimethoxyphenol 99% | 500-99-2 | 10G | ₹5044.45 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 132632 | 3,5-Dimethoxyphenol 99% | 500-99-2 | 50G | ₹22147.95 | 2022-06-14 | Buy |
| TCI Chemicals (India) | P0320 | 3,5-Dimethoxyphenol min. 98.0 % | 500-99-2 | 25G | ₹7800 | 2022-05-26 | Buy |
| TCI Chemicals (India) | P0320 | 3,5-Dimethoxyphenol min. 98.0 % | 500-99-2 | 100G | ₹27500 | 2022-05-26 | Buy |
3,5-Dimethoxyphenol Chemical Properties,Uses,Production
Chemical Properties
slightly pink to yellow crystalline powder
Uses
3,5-Dimethoxyphenol is a phenol derivative as antinitrosating agent.
Synthesis
Ethanethiol (1.25g, 1.5 ml, 0.02 mole) dissolved in N, N- dimethyl-formamide (20 ml) is added to a suspension of sodium hydride (1 g of 50%oil dispersion) in dry DMF (10 ml) under an atmosphere of nitrogen. The mixture is stirred for 5 min under anhydrous conditions. A solution of phloroglucinol trimethyl ether (1.14) (1 g,0.006 moles) in dry DMF (10 ml)is added, and the mixture is refluxed for 3 hr. The reaction mixture is cooled and acidified with hydrochloric acid (10%). It is extracted with ether(3 x 50 ml). The ether extract is washed with water and extracted with sodium hydroxide solution (5%). The clear alkaline extract is acidified with hydrochloric acid. The mixture is extracted with ether. The ether extract is washed with water, ried (anhydrous sodium sulphate), and drilled. 3,5-Dimethoxyphenol is obtained as an oil. Yield 0.9 g (98.1%).B.p.198-199°/30 mm.
Purification Methods
Purify the phenol by distillation followed by sublimation in a vacuum. [Beilstein 6 IV 7362.]
3,5-Dimethoxyphenol Preparation Products And Raw materials
Raw materials
Preparation Products
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