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83-67-0

8 Inquiries

Unit Price: Get Latest Price
CAS No.:

83-67-0

Packaging:

kg

Price valid (until):

2023-01-08

Company Type:
Manufactory
Location:
China
Qualification:
Main Products:

Custom Synthetic Chemicals,Biological Stains,Pharmaceutical Intermediates,Cosmetic Grade Chemicals,Enzyme,Nucleosides

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    83-67-0

    Basic Info
    Product Name:

    Theobromine

    Other Name:

    1H-Purine-2,6-dione,3,7-dihydro-3,7-dimethyl-;Theobromine;3,7-Dihydro-3,7-dimethyl-1H-purine-2,6-dione;3,7-Dimethylxanthine;SC 15090;Teobromin;Diurobromine;Santheose;Theosalvose;Theostene;Thesal;3,7-Dimethyl-3,7-dihydro-1H-purine-2,6-dione;NSC 5039;3,7-Dimethyl-3,7-dihydro-purine-2,6-dione;3,7-Dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione;3,7-Dimethylpurine-2,6-dione

    CAS No.:

    83-67-0

    Molecular Formula:

    C7H8N4O2

    InChIKeys:

    InChIKey=YAPQBXQYLJRXSA-UHFFFAOYSA-N

    Molecular Weight:

    180.16400

    Exact Mass:

    180.16

    EC Number:

    201-494-2

    UNII:

    OBD445WZ5P

    NSC Number:

    757407|5039

    DSSTox ID:

    DTXSID9026132

    Color/Form:

    Monoclinic needles (/crystalline structure is/ lamellar twining on 001 /axis/) from water|White powder or monoclinic needles

    ATC Code:

    C - Cardiovascular system|R - Respiratory system

    HScode:

    2933990090

    Categories:

    Heterocyclic Compound

    Characteristics
    PSA:

    72.68000

    XLogP3:

    -0.8

    Appearance:

    Theobromine is an odorless white crystalline powder. Bitter taste. pH (saturated solution in water): 5.5-7. (NTP, 1992)

    Density:

    1.5

    Melting Point:

    357 °C

    Boiling Point:

    Sublimes 290-295ºC

    Flash Point:

    290-295ºC

    Refractive Index:

    1.737

    Water Solubility:

    slightly soluble ,

    Storage Conditions:

    Keep container closed when not in use. Store in a cool, dry area away from incompatible substances.

    Vapor Pressure:

    1.13X10-11 mm Hg at 25 deg C (est)

    Taste:

    Bitter tasting alkaloid

    PKA:

    9.9None

    Henrys Law Constant:

    Henry's Law constant = 1.63X10-11 atm-cu m/mol at 25 °C (est)

    Dissociation Constants:

    9.9|pKa = 9.90 /imide N/

    Collision Cross Section:

    135.25 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|134.37 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|131.2 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|136.9 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|131.1 Ų [M+H]+

    Experimental Properties:

    Kb at 18 °C: 1.3X10-14; Ka 0.9X10-10|Forms salts which are decomposed by water, and compounds with bases which are more stable|White, amorphous powder; slightly saline taste; partly soluble in water. Alkaline solutions are alkaline to phenophthalein /Theobromine calcium salicylate/|White, odorless or almost odorless, hygroscopic powder. Absorbs CO2 from the air becoming completely soluble. Very soluble in water, sparingly soluble in cold alcohol; the solutions are strongly alkaline. pH about 10 /Theobromine sodium acetate/|For more Other Experimental Properties (Complete) data for 3,7-Dimethylxanthine (6 total), please visit the HSDB record page.

    Air and Water Reactions:

    Insoluble in water.

    Reactive Group:

    Amides and Imides

    Reactivity Profile:

    THEOBROMINE may be sensitive to prolonged exposure to light. This chemical has weakly acidic properties, combining with bases to forms salts. It also has even weaker basic properties, combining with acids to form salts which are decomposed in aqueous solution. (NTP, 1992).

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 4, Oral

    Eye irritation, Category 2

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H302 Harmful if swallowed

    H319 Causes serious eye irritation

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    Response

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    Storage

    none

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Manufactory

    Main Products:

    Custom Synthetic Chemicals,Biological Stains,Pharmaceutical Intermediates,Cosmetic Grade Chemicals,Enzyme,Nucleosides

    Location:

    Room 308-80, building 1, 1963 Huaguan Road, Tianhe District, Guangzhou

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,O/A,100% TT in advance

    Average lead Time:

    30

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    51-100

    Year of Establishment:

    2021

    Guangzhou Yaoguang Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and custom synthesis of fine chemicals, whose management has many years of experience in fine chemicals.

    The company has established a core technical team with professors, engineers, doctors, masters and undergraduates as the backbone power, and has equipped with advanced synthesis equipment, high-tech analytical instruments and mass production equipment, which can allow us to meet the requirements of customers. The company adheres to the operation philosophy of "Credit and Quality Come First". Taking advantage of combining production, study and research, it has established strategic partnership with many universities and key laboratories in China.

    We are an ISO 9001-2015 certified enterprise, our products are widely used in life science, pharmaceutical science, biological science, materials, daily chemical, cosmetics, organic synthesis, catalyst, detection-analysis and other fields. The main products include biochemicals, organic intermediates, specialty chemicals, chemical reagents, custom-synthetic chemicals…etc., which can meet customers’ needs varying from gram level, kilogram level to ton level.

    Through years of accumulation, BTO has 2 subsidiaries, 5 offices. Our products are sold to China, Europe, America, Japan, South Korea and other countries and regions, have been recognized and trusted by global customers.

    Instrument and Equipment: multiple sets of lab/pilot scale test reaction equipment, freezing equipment, rectification equipment, dephlegmator, HPLC, GC, GC-MS, LC-MS, X-RAY, IR…etc.

  • Inquiry History
    8 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    Theobromine

    25.00 KG Jul 2, 2025
    India

    Cocoa Powder - Jindal Euro 707

    25.00 KG Dec 17, 2024
    United States

    Theobromine

    2 KG Oct 20, 2024
    India

    Theobromine

    5000 MT Dec 28, 2023
    Serbia

    Cacao powder

    25 TON Apr 2, 2024
    Zimbabwe

    COCOA POWDER

    1000.00 KG Sep 30, 2023
    India

    Theobromine

    25 KG Aug 22, 2023
    India

    cocoa powder

    10000 MT Jul 31, 2023
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