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Acetophenone Structure 2- Chloro -3',4'- Dihydroxyacetophenone CAS 99 40 1 light yellow

Categories Hydroxyacetophenone
Brand Name: shinrezing
Model Number: 99-40-1
Certification: ISO9001
Place of Origin: china
MOQ: Negotiation
Price: Negotiation
Supply Ability: 20 tons/month
Delivery Time: 3-5 days
Packaging Details: 25 kg / cardboard barrels or as required
Payment Terms: T/T, L/C,Negotiation
Product Name: 2-Chloro-3',4'-dihydroxyacetophenone
CAS NO: 99-40-1
Appearance: light yellow or white crystalline powder
Usage: Pharmaceutical intermediates
Assay: 99%
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    Acetophenone Structure 2- Chloro -3',4'- Dihydroxyacetophenone CAS 99 40 1 light yellow

    2-Chloro-3',4'-dihydroxyacetophenone 2-Chloro-1-(3,4-dihydroxyphenyl)ethanone CAS 99-40-1 EINECS 202-754-8 Acetophenone

    Product Description


    3,4-dihydroxy-2'-chloroacetophenone, light yellow or white crystalline powder, for pharmaceutical intermediates, hemostatic drug network security, pseudo-epinephrine drugs such as gas breathing intermediates. The catechol and chloroacetic acid into the dry reaction pot, heated to 60 ° C, stirring, 85-90 ° C insulation 0.5h. Cold to 65 ° C, by adding phosphorus oxychloride, 60-70 ° C reaction 4h, 70-80 ° C reaction 4h, when the reactant thick stirring difficult, add water, heating, 90-100 ° C hydrolysis 0.5h. Cooling crystallization, cold to 10 ° C below, rejection filter, the solid washed with water to neutral, 2-chloro -3 ', 4'-dihydroxyacetophenone.This product is slightly hazardous for water Do not allow undiluted product or large quantities to reach ground water, water course or sewage system, without government permission, Do not allow material discharged into the surrounding environment. If used and stored according to specifications. No decomposition. Holding receptacle seal in cool, dry place to ensure that the workplace has a good ventilation or exhaust.


    Safety phrases:irCauses burns.ritating substance. Irritating to eyes, respiratory system and skin. Avoid contact with skin and eyes.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.Highly flammable. Cause burns. Away from fire.I company for the production plant, complete production equipment and testing equipment.


    The product is one of our main products, mature technology, stable quality, perennial stock, welcome advice to buy.


    Quick Detail


    Product name2-Chloro-3',4'-dihydroxyacetophenone
    Other name2-Chloro-1-(3,4-dihydroxyphenyl)ethanone
    CAS register number99-40-1
    EINECS202-754-8
    Molecular formulaC8H7ClO3
    Molecular weight186.59
    Molecular structure
    Melting point174-176°C
    Assay99%

    COA:


    TestAnalysis StandardResults
    Appearancelight yellow or white crystalline powderConform
    Assay≥99%99.44%
    Melting point174-176°CConform
    Loss On Drying≤0.5%0.21%
    ConclusionConform

    FAQ:
    Q1: Are you a manufacturer?
    A: Yes, We manufacture bulk products in our factory located in Dawu, Hubei, and produce small quantity and customer synthesis products in our lab located in Wuhan.
    Q2: Do you have stock?
    A: We understand most customers prefer stock, so we'll try to keep stock for most products. However, for some rare products, we won't keep stock and it needs time to synthesize.
    Q3: What certificates and documents do you offer?
    A: Some technical paperwork is available, such as COA, HNMR, HPLC, LC-MS etc.
    Q4: Why should I choose you?
    A: Powerful technical support-come from our highly skilled & fully experienced staff, working in chemical industry for over 5 years, in average.
    Strict quality control-comes form our sophisticated management system.
    Professional and warm sales team-since we believe we can only win via our hard work in a competitive world
    Quick response and excellent presale and after sale service-since we believe our customers deserve all the best service
    Q5: Can I get best price from you?
    A: Of course. We don't chase excessive profits and always try tp give best offer. If you are good at bargaining, you can also enjoy fun of bargaining. Just don't make it too hard!
    Q6: How should I pay?
    A: We accept all kinds of payment ways. such as alibaba trade asssurance, T/T, West union, Paypal.


    Quality Acetophenone Structure 2- Chloro -3',4'- Dihydroxyacetophenone CAS 99 40 1 light yellow for sale
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