1,3,5-Trimethoxybenzene
- Product Name
- 1,3,5-Trimethoxybenzene
- CAS No.
- 621-23-8
- Chemical Name
- 1,3,5-Trimethoxybenzene
- Synonyms
- Benzene, 1,3,5-trimethoxy-;1,3,5-Trimethyoxybenzene;PHLOROGLUCINOL TRIMETHYL ETHER;1,3,5-Methoxybenzene;2,4,6-Trimethoxybenzene;1,3,5-Trimethoxybenzene Vetec(TM) reagent grade, 98%;Phloroglucinol trimethyl ether, 3,5-Dimethoxyanisole;1,3,5-TriMetho;TRISMETHOXYBENZENE;5-TriMethoxybenzene
- CBNumber
- CB0371005
- Molecular Formula
- C9H12O3
- Formula Weight
- 168.19
- MOL File
- 621-23-8.mol
1,3,5-Trimethoxybenzene Property
- Melting point:
- 50-53 °C (lit.)
- Boiling point:
- 255 °C (lit.)
- Density
- 1,126g/cm
- refractive index
- 1,533
- Flash point:
- 186 °F
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- methanol: 0.1 g/mL, clear, colorless
- form
- Crystalline Powder
- color
- White to cream
- Water Solubility
- insoluble
- BRN
- 1307993
- InChIKey
- LKUDPHPHKOZXCD-UHFFFAOYSA-N
- LogP
- 1.605 (est)
- CAS DataBase Reference
- 621-23-8(CAS DataBase Reference)
- NIST Chemistry Reference
- 1,3,5-Trimethoxybenzene(621-23-8)
- EPA Substance Registry System
- 1,3,5-Trimethoxybenzene (621-23-8)
Safety
- Hazard Codes
- Xn,F
- Risk Statements
- 22-20/21/22
- Safety Statements
- 24/25-36-26
- RIDADR
- 1325
- WGK Germany
- 3
- RTECS
- DC2810000
- Hazard Note
- Flammable Solid/Harmful
- TSCA
- Yes
- HazardClass
- 4.1
- PackingGroup
- III
- HS Code
- 29093090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- 138827
- Product name
- 1,3,5-Trimethoxybenzene
- Purity
- ReagentPlus , ≥99%
- Packaging
- 10g
- Price
- $37.1
- Updated
- 2025/07/31
- Product number
- 138827
- Product name
- 1,3,5-Trimethoxybenzene
- Purity
- ReagentPlus , ≥99%
- Packaging
- 50g
- Price
- $113
- Updated
- 2025/07/31
- Product number
- P0250
- Product name
- 1,3,5-Trimethoxybenzene
- Purity
- >98.0%(GC)
- Packaging
- 25g
- Price
- $42
- Updated
- 2025/07/31
- Product number
- P0250
- Product name
- 1,3,5-Trimethoxybenzene
- Purity
- >98.0%(GC)
- Packaging
- 100g
- Price
- $125
- Updated
- 2025/07/31
- Product number
- 74599
- Product name
- 1,3,5-Trimethoxybenzene
- Purity
- Standard for quantitative NMR, TraceCERT
- Packaging
- 1g
- Price
- $181
- Updated
- 2025/07/31
1,3,5-Trimethoxybenzene Chemical Properties,Usage,Production
Chemical Properties
white to cream crystalline powder. Insoluble in water.
Uses
1,3,5-Trimethoxybenzene is a major scent component of the Chinese rose odour. 1,3,5-Trimethoxybenzene is also a useful synthetic intermediate and is used to synthesize triaryl- and triheteroarylmethanes.
Definition
ChEBI: 1,3,5-trimethoxybenzene is a methoxybenzene carrying methoxy groups at positions 1, 3 and 5. It has been found to be a biomarker of flavonoid consumption in humans. It has a role as a biomarker and a human xenobiotic metabolite.
Reactions
1,3,5-Trimethoxybenzene is the main component of the Leaf Oil of Eugenia confusa and is also a commonly used chemical reagent in organic synthesis. It can be used in the following reactions:
(1) Friedel–Crafts reaction: In this reaction, 4,5-dichlorocyclopent-4-ene-1,3-dione reacts with 1,3,5-trimethoxybenzene to synthesize 5-(2,4,6-trimethoxyphenyl)-4-chlorocyclopent-4-ene-1,3-dione, and also generates the disubstituted product 3,4-bis-(2,4,6-trimethoxyphenyl)-2-chlorocyclopent-2-ene-1-one[1].
(2) Addition reaction: Using trifluoromethanesulfonic acid as a catalyst, 1,3,5-trimethoxybenzene can react with maleimide to undergo a 1,4-addition reaction to synthesize 3-(2,4,6-trimethoxyphenyl) succinimide. It can also undergo a 1,4-addition reaction with acrylates[2].
(3) Nitration reaction: 1,3,5-Trimethoxybenzene can be nitrated with N2O5 in an organic solvent to prepare 1,3,5-trimethoxy-2,4,6-trinitrobenzene. However, this method is not very practical due to the side reactions of oxidation and coupling[3].
General Description
1,3,5-Trimethoxybenzene effectively cleaves p-methoxybenzyl protecting group on various alcohols and acids. It is the major scent compound present in Chinese rose species.
Synthesis
A solution of anhydrous phloroglucinol (6.3 g，0.05 mole) in dryacetone (100 ml) is refluxed for 6 hr under anhydrous conditions withdimethyl sulphate (15. 6 ml，20.8 g, 0.165 mole) in presence of ignitedpotassium carbonate (40 g).The mixture is filtered, and the inorganic saltswashed with hot acetone (2 × 20 ml). The combined acetone solution isdistilled and the residue macerated with crushed ice. It is extracted withether, the ether extracts washed with sodium hydroxide solution (5%),water，dried (sodium sulphate) and distilled. Yield 1,3,5-Trimethoxybenzene 6 g (71.4 %).M.p 52-3° (lit. m.p.52-53°).
Solubility in organics
Soluble in Methanol, Ether, Ethanol, Benzene.
Solubility in water
Insoluble
Purification Methods
Sublime it under vacuum. [Beilstein 6 III 635, 6 IV 7362.]
References
[1] V. A. EGOROV. Double Acylation Product in the SnCl4-promoted Reaction of 4,5-Dichlorocyclopent-4-en-1,3-dione with 1,3,5-Trimethoxybenzene[J]. Russian Journal of Organic Chemistry, 2023, 59 8: 1449-1452. DOI:10.1134/S1070428023080201.
[2] SEANGHAI HOR . Br?nsted acid-catalyzed 1,4-addition of 1,3,5-trimethoxybenzene to maleimides and acrylates[J]. Tetrahedron Letters, 2021, 74: Article 153100. DOI:10.1016/j.tetlet.2021.153100.
[3] A. J. BELLAMY. Nitration of 1,3,5-Trimethoxybenzene[J]. Journal of Chemical Research-s, 2002, 109 3 1: 412-413. DOI:10.3184/030823402103172662.
1,3,5-Trimethoxybenzene Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 1,3,5-Trimethoxybenzene manufacturers
- Product
- 1,3,5-Trimethoxybenzene 621-23-8
- Price
- US $10.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 100 TON
- Release date
- 2024-11-01
- Product
- 1,3,5-Trimethoxybenzene 621-23-8
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 500000kg
- Release date
- 2024-11-04
- Product
- 1,3,5-Trimethoxybenzene 621-23-8
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 98%
- Supply Ability
- 1ton
- Release date
- 2022-09-29