5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine

ChemicalBook > CAS DataBase List > 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine

5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine

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Product Name: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
CAS No.: 36267-71-7
Chemical Name: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
Synonyms: FEMA 3338;popcornaroma;popcorn pyrimidine;1% Popcorn Aroma in PG;2-Methyl-5H,7H-thieno[3,4-d]pyriMidine;Thieno,4-DpyriMidine,5,7-dihydro-2-Methyl;5,7Dihydro-2-Methylthieno(3,4-d) pyriMieine;4-d]pyrimidine,5,7-dihydro-2-methyl-thieno[;5,7-DIHYDRO-2-METHYLTHIENO(3,4-D) PYRIMIDINE;Thieno3,4-dpyrimidine, 5,7-dihydro-2-methyl-
CBNumber: CB4332013
Molecular Formula: C7H8N2S
Formula Weight: 152.22
MOL File: 36267-71-7.mol

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5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine Property

Melting point:: 64.5-65 °C
Boiling point:: 280.8±40.0 °C(Predicted)
Density: 1.260±0.06 g/cm3(Predicted)
FEMA: 3338 | 5,7-DIHYDRO-2-METHYLTHIENO(3,4-D)PYRIMIDINE
storage temp.: Keep in dark place,Sealed in dry,Room Temperature
pka: 2.08±0.20(Predicted)
Odor: at 0.10 % in dipropylene glycol. corn chip taco popcorn toasted roasted
Odor Type: corn chip
JECFA Number: 1566
LogP: 0.79
CAS DataBase Reference: 36267-71-7(CAS DataBase Reference)
EPA Substance Registry System: Thieno[3,4-d]pyrimidine, 5,7-dihydro-2-methyl- (36267-71-7)

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Safety

HS Code: 2934999090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word: Warning
Hazard statements: H319Causes serious eye irritation
Precautionary statements: P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Apolloscientific

Product number: OR938848
Product name: 2-Methyl-5,7-dihydrothieno[3,4-d]pyrimidine
Purity: 95%
Packaging: 250mg
Price: $240
Updated: 2021/12/16

SynQuest Laboratories

Product number: 7H66-1-0T
Product name: 2-Methyl-5,7-dihydrothieno[3,4-d]pyrimidine
Purity: 95%
Packaging: 250mg
Price: $384
Updated: 2021/12/16

AK Scientific

Product number: U689
Product name: 5,7-Dihydro-2-methylthieno(3,4-d)pyrimidine
Packaging: 1g
Price: $444
Updated: 2021/12/16

Apolloscientific

Product number: OR938848
Product name: 2-Methyl-5,7-dihydrothieno[3,4-d]pyrimidine
Purity: 95%
Packaging: 1g
Price: $605
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: FFG0002831
Product name: 2-METHYL-5,7-DIHYDROTHIENO[3,4-D]PYRIMIDINE
Purity: 95.00%
Packaging: 5G
Price: $909.56
Updated: 2021/12/16

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5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine Chemical Properties,Usage,Production

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

Definition

ChEBI: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine is an organosulfur heterocyclic compound, an organonitrogen heterocyclic compound and an organic heterobicyclic compound.

Taste threshold values

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

5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine manufacturers

Hebei Yanxi Chemical Co., Ltd.

Product: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine 36267-71-7
Price: US $0.00/kg
Min. Order: 1kg
Purity: 98.00%
Supply Ability: 20tons
Release date: 2023-09-13

JINING XINHE CHEMICAL CO., LTD

Product: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine 36267-71-7
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: 10ton
Release date: 2024-07-22

JINING XINHE CHEMICAL CO., LTD

Product: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine 36267-71-7
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10ton
Release date: 2024-07-15

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