2,5-Dimethylterephthalic Acid

2,5-Dimethylterephthalic Acid - Names and Identifiers

Name	2,5-Dimethylterephthalic Acid
Synonyms	RARECHEM AL BO 0786 2,5-Dimethylterephthalicaci 2,5-DIMETHYLTEREPHTHALIC ACID 2,5-Dimethylterephthalic Acid 2,5-Dimethyl-1,4-benzenedicarboxylic acid 2,5-dimethylbenzene-1,4-dicarboxylic acid 2,5-diMethylbenzene-1,4-dicarboxylic acid 1,4-benzenedicarboxylic acid, 2,5-dimethyl- 1,4-Benzenedicarboxylic acid, 2,5-dimethyl-
CAS	6051-66-7
InChI	InChI=1/C10H10O4/c1-5-3-8(10(13)14)6(2)4-7(5)9(11)12/h3-4H,1-2H3,(H,11,12)(H,13,14)

2,5-Dimethylterephthalic Acid - Physico-chemical Properties

Molecular Formula	C10H10O4
Molar Mass	194.18
Density	1.320±0.06 g/cm3(Predicted)
Melting Point	>260°C (dec.)
Boling Point	386.8±30.0 °C(Predicted)
Flash Point	201.9°C
Solubility	Basic Methanol (Slightly), DMSO (Heated)
Vapor Presure	1.12E-06mmHg at 25°C
Appearance	Solid
Color	White to Off-White
pKa	3.14±0.25(Predicted)
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.592
MDL	MFCD00020292

2,5-Dimethylterephthalic Acid - Risk and Safety

Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.

2,5-Dimethylterephthalic Acid - Introduction

2,5-Dimethylterethalic Acid is an organic compound with the chemical formula C10H10O4. It is a derivative of terephthalic acid in which two hydrogen atoms are replaced by methyl groups.

The physical properties of 2,5-Dimethylterethalic Acid include a white crystalline solid with a melting point of about 240-245 degrees Celsius, insoluble in water, and soluble in organic solvents such as ethers and alcohols. Its chemical properties are mainly acidic and can be neutralized with alkali.

2,5-Dimethylterethalic Acid has many uses in industry. It can be used as a raw material for the synthesis of polyester resins and is widely used in plastics, fibers, ester coatings and other fields. It can also be used to synthesize functional compounds and ligands, and has certain application value in medicine and organic synthesis.

The method for preparing 2,5-Dimethylterethalic Acid is mainly obtained by reducing dimethylbenzoquinone. First, p-dimethylbenzoquinone is heated to react with a reducing agent such as sulfoxide, sodium dihydrogen sulfate, etc. to obtain an intermediate, and then the intermediate is subjected to acidic hydrolysis to obtain 2,5-Dimethylterethalic Acid.

Regarding the safety information of 2,5-Dimethylterethalic Acid, it has low toxicity under normal use. However, as an organic compound, appropriate safety measures are still required to avoid contact with skin or inhalation of its dust. At the same time, avoid fire and high temperature conditions during storage and use to ensure safe use. Specific safety information can be understood and referenced according to the relevant safety data sheet. Please carefully read and follow the relevant safety guidelines and precautions before use.

Last Update：2024-04-09 21:54:55