36267-71-7

Basic information

• Product Name: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
• Synonyms: 4-d]pyrimidine,5,7-dihydro-2-methyl-thieno[;4-d]pyrimidine,5,7-dihydro-2-methyl-Thieno[3;popcornaroma;2-Methyl-5,7-Dihydrothieno-[3,4D]-Pyrimidine;Thieno3,4-dpyrimidine, 5,7-dihydro-2-methyl-;2-METHYL-5,7-DIHYDROTHIENO[3,4-D]PYRIMIDINE,95%;Thieno,4-DpyriMidine,5,7-dihydro-2-Methyl;5,7Dihydro-2-Methylthieno(3,4-d) pyriMieine
• CAS NO: 36267-71-7
• Molecular Formula: C₇H₈N₂S
• Molecular Weight: 152.22
• EINECS: 252-940-8
• Product Categories: Flavor
• Mol File: 36267-71-7.mol
• Article Data: 0

Chemical Properties

• Melting Point: 64.5-65 °C
• Boiling Point: 280.8 °C at 760 mmHg
• Flash Point: 123.6 °C
• Appearance: /
• Density: 1.26 g/cm³
• Vapor Pressure: 0.0063mmHg at 25°C
• Refractive Index: 1.63
• Storage Temp.: Keep in dark place,Sealed in dry,Room Temperature
• PKA: 2.08±0.20(Predicted)
• CAS DataBase Reference: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine(CAS DataBase Reference)
• NIST Chemistry Reference: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine(36267-71-7)
• EPA Substance Registry System: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine(36267-71-7)

Safety Data

• Hazardous Substances Data: 36267-71-7(Hazardous Substances Data)

Usage

Use limited

FEMA (mg/kg): Soft drinks, cold drinks, candy, baked goods, jellies, puddings, gummies, seasonings, pickles, meat products, bouillon, dairy products, cereal products, all 1.0.

Chemical Properties

5,7-Dihydro-2-methylthieno(3,4d)pyrimidine has a roasted meaty aroma.

Preparation

By reaction of acetamidine HCl with 3-carbomethyoxytetrahydro-4-furanones

Taste threshold values

Taste characteristics at 5 ppm: corn, taco, nutty, popcorn and corn chip with roasted nuances

InChI:InChI=1/C7H8N2S/c1-5-8-2-6-3-10-4-7(6)9-5/h2H,3-4H2,1H3