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2022 wholesale price 94050-90-5 - (R) – (+) – 2 – (4-HYDROXYPHENOXY) PROPIONIC ACID,HPPA – MEVA

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2022 wholesale price 94050-90-5 - (R) – (+) – 2 – (4-HYDROXYPHENOXY) PROPIONIC ACID,HPPA – MEVA


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We support our purchasers with ideal premium quality products and substantial level company. Becoming the specialist manufacturer in this sector, we've acquired rich practical working experience in producing and managing for Hydroxypropyl Methyl Cellulose China, Construction Grade Cellulose Ether, Active Carbon, We warmly welcome all intrigued prospects to make contact with us for more details.
2022 wholesale price 94050-90-5 - (R) – (+) – 2 – (4-HYDROXYPHENOXY) PROPIONIC ACID,HPPA – MEVA Detail:

Specific application
Pesticide intermediates; It is used as an intermediate of puma, high efficiency Gaicao, jingwensha, jingquizalofop, alkyne ester and other herbicides

Production method
1. P-chlorobenzoyl chloride was prepared by the reaction of p-chlorobenzoyl chloride with anisole, followed by hydrolysis and demethylation.
2. Reaction of p-chlorobenzoyl chloride with phenol: dissolve 9.4g (0.1mol) of phenol in 4ml of 10% sodium hydroxide solution, add 14ml (0.110mol) of p-chlorobenzoyl chloride dropwise at 40 ~ 45 ℃, add it within 30min, and react at the same temperature for 1H. Cool to room temperature, filter and dry to obtain 22.3g of phenyl p-Chlorobenzoate. The yield is 96%, and the melting point is 99 ~ 101 ℃.

Leakage emergency treatment
Protective measures, protective equipment and emergency disposal procedures for operators:
It is recommended that emergency treatment personnel wear air breathing apparatus, anti-static clothes and rubber oil resistant gloves.
Do not touch or cross spills.
All equipment used during operation shall be grounded.
Cut off the source of leakage as much as possible. Eliminate all ignition sources.
The warning area shall be designated according to the area affected by liquid flow, steam or dust diffusion, and irrelevant personnel shall be evacuated to the safety area from crosswind and upwind.
Environmental protection measures: contain leakage to avoid environmental pollution. Prevent leakage from entering sewers, surface water and groundwater.
Storage and removal methods of leaked chemicals and disposal materials used:
Small leakage: collect the leakage liquid in a sealable container as far as possible. Absorb with sand, activated carbon or other inert materials and transfer to a safe place. Do not flush into the sewer.
Massive leakage: build a dike or dig a pit for reception. Close the drainage pipe. Foam is used to cover evaporation. Transfer to tank car or special collector with explosion-proof pump, recycle or transport to waste treatment site for disposal.
Personal protective equipment:
Respiratory protection: when the concentration in the air exceeds the standard, wear filter gas mask (half mask). When rescuing or evacuating in an emergency, you should wear an air breathing apparatus.
Hand protection: wear rubber oil resistant gloves.
Eye protection: wear chemical safety protection eyes.
Skin and body protection: wear anti poison penetration work clothes.

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2022 wholesale price 94050-90-5 - (R) – (+) – 2 – (4-HYDROXYPHENOXY) PROPIONIC ACID,HPPA – MEVA detail pictures

2022 wholesale price 94050-90-5 - (R) – (+) – 2 – (4-HYDROXYPHENOXY) PROPIONIC ACID,HPPA – MEVA detail pictures

2022 wholesale price 94050-90-5 - (R) – (+) – 2 – (4-HYDROXYPHENOXY) PROPIONIC ACID,HPPA – MEVA detail pictures


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Our company insists all along the quality policy of "product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff" and the consistent purpose of "reputation first, customer first" for 2022 wholesale price 94050-90-5 - (R) – (+) – 2 – (4-HYDROXYPHENOXY) PROPIONIC ACID,HPPA – MEVA , The product will supply to all over the world, such as: Mauritius, Kuala Lumpur, Azerbaijan, Welcome any of your inquiries and concerns for our products. We look forward to establishing a long-term business relationship with you in the near future. Contact us today. We are the first business partner for you!
  • It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
    5 Stars By Aaron from Mali - 2018.08.12 12:27
    This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
    5 Stars By Julia from Washington - 2018.06.03 10:17
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