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Home > Active Pharmaceutical Ingredients > Respiratory Drugs > Theophylline for Sale > High purity Theophylline 98% TOP1 supplier in China
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High purity Theophylline 98% TOP1 supplier in China

3 Inquiries

Unit Price: Get Latest Price
CAS No.:

58-55-9

Content:

98%

Packaging:

according to the clients requirement

Sample Available:

Yes

Price valid (until):

2026-11-25

Company Type:
Manufactory
Location:
China
Payment Terms:
TT against copy of documents,D/P,L/C,D/A,TT against B/L draft before shipment,100% TT in advance
Average Lead Time:
2 days
Qualification:
Main Products:

N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol

  • Product Details

  • Seller Information

  • Inquiry History

  • Description
    Keywords

    Theophylline supplier

    Theophylline 98%

    Theophylline China

    Quick Details
    ProName:

    High purity Theophylline 98% TOP1 supplier in China

    CasNo:

    58-55-9

    Molecular Formula:

    C7H8N4O2

    Appearance:

    white to light yellow crystal powder

    Application:

    It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.

    DeliveryTime:

    prompt

    PackAge:

    according to the clients requirement

    Port:

    Shanghai

    ProductionCapacity:

    Metric Ton/Day

    Purity:

    98%

    Storage:

    Store in dry, dark and ventilated place.

    Transportation:

    by sea or by air

    LimitNum:

    100 Gram

    Superiority

    Dayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities of custom synthesis chemicals in lab, plant and industrial scale with more than fifteen years.

    DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, Dayangchem is your best choice.

    Pls contact with us freely for getting detailed product specifications, product tech. date sheet, COA and MSDS, prices, delivery time and payment terms.

    Details

     

    Dayang Chem (Hangzhou) Co. Limited, established in 2000, dedicated to the development, production and marketing of chemicals. We are a leading manufacturer and supplier of chemicals in China.

    Manufacturing base: The Company has some Manufacturing base in Zhejiang, Jiangsu and Shandong provide. These bases focus on production and Contract Manufacturing.

    Sales agent: Dayangchem are authorized by many Chinese chemical manufacturers as universal agency and international area agency. Dayangchem has established very good cooperation and business relations with hundreds of Chinese qualified manufacturers by long time business intercourse.

    Strong quality control system: Strength of our ethical commitment to quality control and quality assurance systems firmly based on ISO standard. QA and QC used in the whole process of raw material control, process control and finished product quality inspection.

    Third lab test: Audit directly and tested by third party like SGS or INTERTEK in any time will be accepted under required.

    Flexible payment terms: Various payment terms such as L/C,D/P,D/A and T/T will be accepted. Special Notice: DAYANGCHEM never require customers to remit payment to a personal account. Beware of being cheated.

    Rich experience in sales: 1000 square meters of office space with independent property rights, Sales team of nearly 40 people. Our customers throughout the world, especially the world-renowned companies, such as BACHEM, BASF, CELANESE, CORDEN,DOW,EVONIK, GENZYME,HENKEL, MERCK,ROCHE,SANOFI,SOLVAY.



    ECHEMI Editorial Reference
    white to light yellow crystal powder

    Basic Info
    Product Name:

    Theophylline

    Other Name:

    1H-Purine-2,6-dione,3,9-dihydro-1,3-dimethyl-;Theophylline;1H-Purine-2,6-dione,3,7-dihydro-1,3-dimethyl-;3,9-Dihydro-1,3-dimethyl-1H-purine-2,6-dione;1,3-Dimethylxanthine;Elixophylline;Pseudotheophylline;Theophyllin;Elixophyllin;Theograd;Solosin;Lanophyllin;Liquophylline;Optiphyllin;Parkophyllin;Theofol;Theolair;Slo-Phyllin;Nuelin;Theo-Dur;Theona P;Quibron T/SR;Theodel;Uniphyllin;Euphylong;Armophylline;Theotard;Teonova;Elan;Spophyllin retard;Austyn;Asmax;Duraphyl;Egifilin;Quibron T;Uniphyl;Theodrip;Theopek;Pulmo-Timelets;Sustaire;Bilordyl;Somophyllin CRT;Theostat;Afonilm;Bronkodyl;Unifyl;Etheophyl;Cetraphylline;Theon;Slo-Bid;Theo-Sav;Theovent;Xanthium;Theo 24;Theobid;Theoclear;Talotren;Constant T;Aerolate;Theophyl;Lasma;Brochoretard;Theobid Duracap;Theochron;Duraphyllin;LaBID;Theoplus;Aerobin;Tesona;Physpan;PulmiDur;Pro-Vent;Accurbron;Diffumal;Somophyllin T;Respbid;Teocen 200;NSC 2066;Unilong;Chronophyllin;Theo-Nite;Respicur;Telb-DS;Theo-DS;Theodur Dry Syrup;Telbans Dry Syrup;Insanovin;Unicontin CR;Telbans;Controfilina 200;phylobid;Apnecut;Throphylline;GM 501 SpermMobil;Teotard;Teotard 350;1,3-Dimethyl-1H-purine-2,6(3H,7H)-dione;1,3-Dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione;1,3-Dimethyl-3,7-dihydro-purine-2,6-dione;1,3-Dimethyl-2,3,6,9-tetrahydro-1H-purine-2,6-dione;46157-00-0;56645-32-0;75448-53-2;111079-49-3;1024160-72-2

    CAS No.:

    58-55-9

    Molecular Formula:

    C7H8N4O2

    InChIKeys:

    InChIKey=ZFXYFBGIUFBOJW-UHFFFAOYSA-N

    Molecular Weight:

    180.16400

    Exact Mass:

    180.16

    EC Number:

    200-385-7

    HScode:

    2939590000

    Categories:

    Respiratory Drugs

    Characteristics
    PSA:

    72.68000

    XLogP3:

    -1.03970

    Appearance:

    Theophylline is an odorless white crystalline powder. Odorless. Bitter taste. (NTP, 1992)

    Density:

    1.465 g/cm3

    Melting Point:

    270 °C

    Boiling Point:

    454.1ºC at 760 mmHg

    Flash Point:

    228.4ºC

    Refractive Index:

    1.737

    Water Solubility:

    H2O: 8.3 g/L (20 ºC)

    Storage Conditions:

    2-8ºC

    Vapor Pressure:

    negligible

    Toxicity:

    LD50 oral in rabbit: 350mg/kg

    Odor:

    Odorless

    Taste:

    Bitter

    PH:

    A saturated solution in water is faintly acid.

    PKA:

    8.81None

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 3, Oral

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H301 Toxic if swallowed

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

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

    Response

    P301+P316 IF SWALLOWED: Get emergency medical help immediately.

    P321 Specific treatment (see ... on this label).

    P330 Rinse mouth.

    Storage

    P405 Store locked up.

    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

    Separated from food and feedstuffs.

  • Seller Information
    Business Type:

    Manufactory

    Main Products:

    N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol

    Location:

    RM901-7,Unit 2,259# WenSan Road, Xihu District, Hangzhou Zhejiang, China

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    2 days

    Total Annual Revenue:

    $10 million-$25 million

    Total Employees:

    11-50

    Year of Establishment:

    2020

    Company Certificates
    • Dayang Chem (Hangzhou) Co.,LtdDangerous Chemicals Business License Dangerous Chemicals Business License
    • Dayang Chem (Hangzhou) Co.,LtdPesticide Business License Pesticide Business License
    • Dayang Chem (Hangzhou) Co.,LtdISO 9001:2015 ISO 9001:2015
    Company

    Dayang chem (Hangzhou) Co., Ltd.,which headquartered in Hangzhou, China, is a high-tech enterprise specialized in technical research, production, development and trade of chemical products. Dayang chem (Hangzhou) Co., Ltd retained the whole sales, technical and after-sales team of Hangzhou Dayangchem Co., Ltd, which will serve our customers better.

    DAYANG CHEM covers whole range from small amount (gram grade) for research to big bulk for industrial production. Synthesis capacity from 1 liter to 3000 liter is available.

    business serve local customers and markets around the globeProfile


      Company Profile  

    Dayangchem focus on:
    -Organic compounds
                             -Active Pharmaceutical Ingredient(s)
    -Nutritional products
    -Custom synthesis
          -Contract Manufacturing
    We have following advantages:
     Our laboratory---We have two laboratories in Zhejiang University and Zhejiang Industry University . These laboratories focus on Technology Development and Custom Synthesis, 
    Manufacturing base --- The company has Manufacturing bases in Zhejiang, Jiangsu and Shandong province. These bases focus on production and Contract Manufacturing.
    Sales agent ---DAYANG CHEM are authorized by some Chinese chemical factories as universal agency and international area agency.
    Good reputation---DAYANG CHEM has established very good cooperation and business relations with hundreds ofqualified manufacturers worldwide. Our products were exported to more than 100 countries




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

    Theophylline

    250 KG Jul 23, 2026
    Ethiopia

    Theophylline

    50 KG Sep 17, 2025
    Czech

    Theophylline

    100 KG Dec 30, 2024
    Post an enquiry for this product
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