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DL-α-Tocopherol 10191-41-0

ISO 17 Inquiries

Unit Price: Get Latest Price
CAS No.:

10191-41-0

Grade:

Pharmaceutical Grade

Content:

99%

Port:

Shanghai

Brand:

Zentrachem

Packaging:

25kgs in drum

Price valid (until):

2025-12-01

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

pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Shop 1-Methyl-4-pyrazole boronic acid pinacol ester CAS 761446-44-0 pharmaceutical intermediate-Detailed Image 1

    Melting point  2-4°C
    alpha  [α]D20 - 0.02 - +0.02゜ (neat)
    Boiling point  200-220°C 0,1mm
    density  0.950 g/mL at 20 °C(lit.)
    vapor pressure  <1 hPa ( 20 °C)
    refractive index  n20/D 1.506
    Fp  240°C
    storage temp.  2-8°C


    pka 11.40±0.40(Predicted)
    form  Pale yellow oil
    color  Colourless to Dark Yellow


     Capability 


     we are capable of:


    1) quick quotation, normally within 1-2 days

    2) full marketing research

    3) price control and quality(regulatory) control

    4) all stage support from sample, pilot, registration and commercial

    5) sourcing for prodcut which is very new or hard to find

    6) CMO/CDMO, from pilot-scale development to industrial-scale manufacturing


      Q&A  


    What are the MOQ and lead time?


    MOQ varies (high-value chemicals may negotiate to g-kg-level).

    Lead time typically 2-4 weeks, with expedited options upon request.


    How do we ensure product quality and compliance?


    We enforce a 3-step protocol:

    ① Source only from ISO-certified suppliers;

    ② Provide batch-specific COA/COO;

    ③ Dedicated team monitors global regulations (e.g., China NECIC, EU SCIP).


    Do we offer customized synthesis?


    Yes!

    We provide end-to-end solutions from R&D to scale-up production.

    Technical specs (e.g., purity, CAS#) and intended use documentation are required.


    How do we handle logistics and customs?


    We support CIF/FOB/DDP/DAP terms, partner with global logistics providers,

    and have in-house experts for HS code classification, hazardous material documentation, etc.


    How do we manage raw material price fluctuations?


    We mitigate risks via long-term contracts, multi-region sourcing,

    and futures hedging, supplemented with quarterly market analysis reports.


      About Us 


    Zentra Chemical, headquartered in Hangzhou, China, is aiming to be a global player in chemical trading and integrated solutions.

    Specializing in Pharmaceutical intermediates, Agrochemical intermediates, Fine chemicals, Herbal extracts and Cosmetic ingredients, we deliver end-to-end services spanning sourcing, supply chain optimization, customized synthesis, cost management, and quality assurance, with all stage support from sample, pilot, registration and commercial

    Our mission is to empower clients worldwide with agile, sustainable, and value-driven partnerships in the ever-evolving chemical industry.

    Competitive Advantages

    • Strategic Location: Based in Hangzhou at the heart of Yangtze River Delta economic zone with global reach
    • Expert Team: International team of chemical engineers, trading specialists and supply chain professionals
    • Quality Commitment: Rigorous supplier selection and ISO-certified quality management systems
    • Sustainable Development: Partnering with eco-friendly manufacturers to promote green chemistry

    Vision & Mission
    Driven by the philosophy of “Chemistry Connects the Future,” Zentra Chemical strives to be a pioneering force in the global chemical sector. By bridging innovation, efficiency, and sustainability, we aim to build long-term partnerships that redefine industry standards and foster a greener, smarter chemical ecosystem.

    Global Reach, Local Expertise – Zentra Chemical is your trusted partner for chemical excellence.


      Why us


    • Supplier, distributor & marketer of chemicals with >20 yrs of experience, with Integrated sourcing solutions
    • Wide product range, We can source any fine chemical you require, unlimited range, including intermediates and products for agrochemicals, cosmetics, APIs, nanotechnology, additives, flavors, fragrances, photography, plant extracts, electronics industries and more
    • We can solve your sourcing problems through our own or third party manufacturing in the most transparent way
    • We supply all stage support from sample, pilot, registration and commercial
    • Through selected pre-qualified partners under exclusive arrangements, we offer Contract manufacturing and custom synthesis, Kilo to Multi-ton scale production
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 1
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 2
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 3
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 4
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 5
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 6
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 7

    Shop 1-Methyl-4-pyrazole boronic acid pinacol ester CAS 761446-44-0 pharmaceutical intermediate-Detailed Image 9

    Shop 1-Methyl-4-pyrazole boronic acid pinacol ester CAS 761446-44-0 pharmaceutical intermediate-Detailed Image 10


      Excipients 


    L-Malic Acid, CAS 97-67-6
    DL-Malic Acid, CAS 617-48-1
    L(+)-Tartaric Acid, CAS 87-69-4
    DL-Tartaric Acid, CAS 133-37-9
    Potassium Bitartrate, CAS 868-14-4
    Aspartame, CAS 22839-47-0
    ISO, Halal, kosher certificates are all available.

    Certificates

    Basic Info
    Product Name:

    DL-α-Tocopherol

    Other Name:

    2H-1-Benzopyran-6-ol,3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-;6-Chromanol,2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-;3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-1-benzopyran-6-ol;dl-α-Tocopherol;(±)-α-Tocopherol;Ephanyl;DL-α-Tocopherol;all-rac-α-Tocopherol;Ronotec DF 120;Ronotec 201;Rac-α-Tocopherol;Ronotec 202;3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-ol;Uvinul 2000AO;Elementol B;Elementol R;Elementol Basic;Irganox E 210;2,5,7,8-Tetramethyl-2-(4′,8′,12′-trimethyltridecyl)chroman-6-ol;2,5,7,8-Tetramethyl-2-(4,8,12-trimethyltridecyl)chroman-6-ol;Irganox LE 307;364-50-1;4072-33-7;16826-11-2;25094-97-7;181591-70-8

    CAS No.:

    10191-41-0

    Molecular Formula:

    C29H50O2

    InChIKeys:

    InChIKey=GVJHHUAWPYXKBD-UHFFFAOYSA-N

    Molecular Weight:

    430.71

    Exact Mass:

    430.71

    BRN:

    94012

    EC Number:

    233-466-0

    UNII:

    7QWA1RIO01

    NSC Number:

    755839|82623|20812

    DSSTox ID:

    DTXSID8021355

    NCI Thesaurus Code:

    C74578

    Color/Form:

    Slightly viscous, pale yellow oil

    Characteristics
    PSA:

    29.5

    XLogP3:

    log Kow = 12.2 (est)

    Appearance:

    Liquid

    Density:

    0.950 g/mL at 20 °C(lit.)

    Melting Point:

    2-4°C

    Boiling Point:

    205-210 °C @ Press: 0.02 Torr

    Flash Point:

    240°C

    Refractive Index:

    n20/D 1.506

    Water Solubility:

    Miscible with chloroform, vegetable oils, ether, acetone and alcohol. Immiscible with water.

    Storage Conditions:

    2-8°C

    Vapor Pressure:

    1.4X10-8 mm Hg at 25 °C (est)

    Specific rotation:

    [α]D/25 0° ± 0,05° (1 in 10 solution in chloroform)

    Henrys Law Constant:

    Henry's Law constant = 7.9X10-5 atm-cu m/mole 25 °C (est)

    Dissociation Constants:

    pKa = 10.8 (hydroxy) (est)

    Collision Cross Section:

    219.7 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]

    Experimental Properties:

    Hydroxyl radical reaction rate constant = 2.3X10-10 cu cm/molec-sec at 25 °C (est)

    Hazard Identification

    Classification of the substance or mixture

    Skin sensitization, Sub-category 1B

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H317 May cause an allergic skin reaction

    Precautionary statement(s)
    Prevention

    P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

    P272 Contaminated work clothing should not be allowed out of the workplace.

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

    Response

    P302+P352 IF ON SKIN: Wash with plenty of water/...

    P333+P317 If skin irritation or rash occurs: Get medical help.

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

    P362+P364 Take off contaminated clothing and wash it before reuse.

    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

    Keep container tightly closed in a dry and well-ventilated place. Recommended storage temperature: 2 - 8 deg C.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals

    Location:

    Rm 301, Bld 2, Taohuahu Neighborhood Center, Hangzhou, China

    Payment Terms:

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

    Average lead Time:

    14

    Total Employees:

    5-10

    Year of Establishment:

    2025

    Zentra Chemical, headquartered in Hangzhou, China, is aiming to be a global leader in chemical trading and integrated solutions.

    Specializing in Pharmaceutical intermediates, Agrochemical intermediates, Fine chemicals, and Cosmetic ingredients, we deliver end-to-end services spanning sourcing, supply chain optimization, customized synthesis, cost management, and quality assurance.

    Our mission is to empower clients worldwide with agile, sustainable, and value-driven partnerships in the ever-evolving chemical industry.


      Why us  


    Supplier, distributor & marketer of chemicals with >20 yrs of experience, with  Integrated sourcing solutions.

    Wide product range , We can source any fine chemical you require, unlimited range, including intermediates and products for agrochemicals, cosmetics, APIs, nanotechnology, additives, flavors, fragrances, photography, plant extracts, electronics industries and more.

    We can solve your sourcing problems through our own or third party manufacturing in the  most transparent way.

    We supply  all stage support from sample, pilot, registration and commercial.

    Through selected  pre-qualified partners  under exclusive arrangements, we offer  Contract manufacturing and custom synthesis , Kilo to Multi-ton scale production.


      Capability  


    with hundreds of local manufacturers(pre-qualified), we are capable of:

    1) quick quotation, normally within 1-2 days;
    2) full marketing research;
    3) price control and quality(regulatory) control;
    4) all stage support from sample, pilot, registration and commercial;
    5) sourcing for prodcut which is very new or hard to find;
    6) CMO/CDMO, from pilot-scale development to industrial-scale manufacturing.

  • Inquiry History
    17 Inquiries
    Country Product Purchase Quantity Date Posted
    Pakistan

    Vitamin E

    10.00 MT Feb 14, 2025
    Sri Lanka

    Alpha - Tocopherol -Vitamin E

    1000.00 KG Feb 13, 2025
    Indonesia

    Dl-Alpha Tocopherol

    50 G Jun 7, 2024
    India

    DL Alpha Tocopherol

    1.00 KG Mar 1, 2024
    Indonesia

    Vitamin E 50% Oil Certified RSPO Mix Tocopherol Tocotrienol for Supplement Amber Liquid Gold Tri.E

    100 G Oct 31, 2023
    Canada

    VITAMIN E-50 TOCOPHEROL

    1000 KG Aug 14, 2023
    India

    Vitamin E

    1.00 MT Apr 27, 2025
    India

    Vitamin E oil pure

    10 TON Apr 22, 2025
    Egypt

    Vitamin E oily

    5 TON Dec 17, 2024
    Indonesia

    Vitamin E 50% Oil Certified RSPO Mix Tocopherol Tocotrienol for Supplement Amber Liquid Gold Tri.E

    100 G Nov 2, 2023
    Indonesia

    Vitamin E 50% oil

    500 G Nov 1, 2023
    Malaysia

    High Quality Raw Material Vitamin e Oil price Dl-alpha tocopheryl Acetate

    100 KG Oct 27, 2023
    India

    Natural Mixed Tocopherol 70% & 90%

    1 20' Fcl Jun 19, 2023
    Sri Lanka

    Alpha - Tocopherol -Vitamin E

    1000.00 KG Feb 12, 2025
    India

    Tocopherol

    5 TON Feb 7, 2025
    Peru

    Vitamin Factory Direct Sale Bulk Mixed Tocopherol Powder Natural Vitamin E D-alpha Tocopherol

    25 KG Nov 7, 2023
    India

    D-Alpha Tocopherol

    2 MT Nov 20, 2023
    Post an enquiry for this product
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