1,2,3,4-Tetramethylbenzene
Description Reference- Product Name
- 1,2,3,4-Tetramethylbenzene
- CAS No.
- 488-23-3
- Chemical Name
- 1,2,3,4-Tetramethylbenzene
- Synonyms
- DUROL;PRENITENE;PREHNITOL;PREHNITENE;Prehenitene;LABOTEST-BB LT00852111;Imidaprilat Impurity 6;TETRAMETHYLBENZENEISOMERS;1,2,3,4-Tetramethyl-Benze;1,2,3,4-TETRAMETHYLBENZENE
- CBNumber
- CB9184211
- Molecular Formula
- C10H14
- Formula Weight
- 134.22
- MOL File
- 488-23-3.mol
1,2,3,4-Tetramethylbenzene Property
- Melting point:
- 76-80 °C(lit.)
- Boiling point:
- 203°C
- Density
- 0.838 g/mL at 25 °C(lit.)
- vapor density
- 4.6 (vs air)
- vapor pressure
- 160 mm Hg ( 140 °C)
- refractive index
- 1.5190
- Flash point:
- 165 °F
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- Chloroform (Slightly), Ethyl Acetate (Slightly)
- form
- Oil
- color
- Colourless
- Odor Threshold
- 0.011ppm
- Water Solubility
- Immiscible with water.
- BRN
- 1904390
- Dielectric constant
- 2.5899999999999999
- LogP
- 4.000
- CAS DataBase Reference
- 488-23-3(CAS DataBase Reference)
- NIST Chemistry Reference
- Benzene, 1,2,3,4-tetramethyl-(488-23-3)
- EPA Substance Registry System
- 1,2,3,4-Tetramethylbenzene (488-23-3)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H227Combustible liquid
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- L19756
- Product name
- 1,2,3,4-Tetramethylbenzene, 95%
- Packaging
- 5g
- Price
- $126
- Updated
- 2024/03/01
- Product number
- L19756
- Product name
- 1,2,3,4-Tetramethylbenzene, 95%
- Packaging
- 25g
- Price
- $514
- Updated
- 2024/03/01
- Product number
- T889000
- Product name
- 1,2,3,4-Tetramethylbenzene
- Packaging
- 2.5g
- Price
- $100
- Updated
- 2021/12/16
- Product number
- A235750
- Product name
- 1,2,3,4-Tetramethylbenzene
- Purity
- 97%
- Packaging
- 10g
- Price
- $103
- Updated
- 2021/12/16
- Product number
- A235750
- Product name
- 1,2,3,4-Tetramethylbenzene
- Purity
- 97%
- Packaging
- 1g
- Price
- $13
- Updated
- 2021/12/16
1,2,3,4-Tetramethylbenzene Chemical Properties,Usage,Production
Description
1, 2, 3, 4-Tetramethylbenzene is used as a starting material in the preparation of 1, 2, 3, 4-tetramethyl benzene-5-chlorosulfonyl chloride by reacting with chlorosulfonic acid1. In industry, it is the precursor to pyromellitic dianhydride, which is used for manufacturing curing agents, adhesives, coating materials. It is used in the manufacture of some raw materials for engineering plastics (polyimides) and cross-linking agent for alkyd resins. It is also a suitable starting material for the synthesis of hexamethylbenzene2-4.
Reference
- https://www.alfa.com/en/catalog/L19756/
- Hoefs, Marcel J. L., et al. "Alternative biological sources for 1,2,3,4-tetramethylbenzene in flash pyrolysates of kerogen." Organic Geochemistry 23.10(1995): 975-979.
- Sun, Yongge, et al. "Source facies of the Paleozoic petroleum systems in the Tabei uplift, Tarim Basin, NW China: implications from aryl isoprenoids in crude oils." Organic Geochemistry 34.4(2003): 629-634.
- Jia, Wanglu, et al. "Source of 1,2,3,4-tetramethylbenzene in asphaltenes from the Tarim Basin." Journal of Asian Earth Sciences 30.5(2007):591-598.
Chemical Properties
Colorless liquid. Soluble in alcohol; insoluble in water.
Uses
1,2,3,4-Tetramethylbenzene is a useful starting material and building block for organic synthesis. An analyte identified in the volatile oils from Taxodium ascendens leaves and cones. Antibacterial activity.
Definition
ChEBI: A tetramethylbenzene that consists of benzene substituted by methyl groups at positions 1, 2, 3 and 4.
Purification Methods
Dry it over sodium and distil under reduced pressure. The picrate has m 92-95o (EtOH). [Beilstein 5 H 430, 5 I 206. 5 II 329, 5 III 974, 5 IV 1072.]
1,2,3,4-Tetramethylbenzene Preparation Products And Raw materials
Raw materials
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View Lastest Price from 1,2,3,4-Tetramethylbenzene manufacturers
- Product
- 1,2,3,4-Tetramethylbenzene 488-23-3
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 98%
- Supply Ability
- 1Ton
- Release date
- 2022-10-17
- Product
- 1,2,3,4-Tetramethylbenzene 488-23-3
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 97.2%
- Supply Ability
- 100 tons
- Release date
- 2022-02-18
- Product
- 1,2,3,4-Tetramethylbenzene 488-23-3
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-07-11