1H-Purine-2,6-dione, 3,7-dihydro-1,3,7,8-tetramethyl-

1H-Purine-2,6-dione, 3,7-dihydro-1,3,7,8-tetramethyl- - Names and Identifiers

Name	8-Methylcaffeine
Synonyms	BRN 0220502 Methylcaffeine 1-Methylcaffeine 8-Methylcaffeine 1-Methyl-caffeine METHYLCAFFEINE, 8-(P) 1,3,7,8-Tetramethylxanthine 1,3,7,8-TETRAMETHYL XANTHINE 1,3,6, 7-Tetramethylxanthine Xanthine, 1,3,7,8-tetramethyl- 1,3,7,8-Tetramethylpurine-2,6-dione 5-26-14-00172 (Beilstein Handbook Reference) 1,3,7,8-tetramethyl-4,5-dihydropurine-2,6-dione 3,7-Dihydro-1,3,7,8-tetramethyl-1H-purine-2,6-dione 1,3,7,8-tetramethyl-3,7-dihydro-1H-purine-2,6-dione 1H-Purine-2,6-dione, 3,7-dihydro-1,3,7,8-tetramethyl-
CAS	832-66-6
InChI	InChI=1/C9H12N4O2/c1-5-10-7-6(11(5)2)8(14)13(4)9(15)12(7)3/h1-4H3

1H-Purine-2,6-dione, 3,7-dihydro-1,3,7,8-tetramethyl- - Physico-chemical Properties

Molecular Formula	C9H12N4O2
Molar Mass	208.22
Density	1.2480 (rough estimate)
Melting Point	210～211℃
Boling Point	347.41°C (rough estimate)
Flash Point	202.2°C
Water Solubility	2.175g/L(20 ºC)
Vapor Presure	5.89E-07mmHg at 25°C
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.6590 (estimate)

1H-Purine-2,6-dione, 3,7-dihydro-1,3,7,8-tetramethyl- - Introduction

8-Methylcaffeine(8-Methylcaffeine) is a xanthine derivative and one of the isomers of caffeine. In its chemical structure, there are four methyl groups attached to the 1, 3, 7 and 8 positions.

In terms of properties, 8-Methylcaffeine is a white or light yellow solid at room temperature and is soluble in water and some organic solvents. It is a moderately strong alkaline compound that can form positively charged ions.

In terms of use, 8-Methylcaffeine is mainly used in drugs and beverages as a stimulant and a stimulant of the central nervous system. It has a caffeine-like effect, which can refresh, increase alertness and improve concentration. In addition, it can also be used as a dehydrating agent and an additive in cosmetics.

Preparation method, 8-Methylcaffeine can be synthesized by chemical synthesis method. A common preparation method is to obtain the intermediate product by the condensation reaction of p-methylaniline and p-nitrobenzoic acid, and then to obtain the final 8-Methylcaffeine through reduction and methylation reaction.

In terms of safety information, 8-Methylcaffeine is generally considered to be relatively safe at appropriate doses. However, excessive intake may cause side effects, including palpitations, insomnia, anxiety, stomach upset, etc. For certain individuals, such as pregnant women, infants, and people with certain health problems, the use of 8-Methylcaffeine should be avoided or limited. At the same time, when using 8-Methylcaffeine, you need to follow the correct dosage and usage methods to avoid excessive dependence and abuse to ensure safety.

Last Update：2024-04-10 22:30:50