High Quality Propylparaben CAS 94-13-3 White Powder with Best Price

Nonylphenol ethoxylate is a water-soluble preservative. Its main characteristics are safety, high efficiency, and broad-spectrum antibacterial properties. It is widely used in the pharmaceutical industry, food industry, and textile industry for preservation. Nonylphenol ethoxylate is a white powder with no odor. It has strong preservative power. Its antibacterial power is stronger than that of benzoic acid and sorbic acid. Nonylphenol ethoxylate, which belongs to the p-hydroxybenzoate class, has a stronger inhibitory effect on molds and yeasts, and has a weaker effect on bacteria, especially on lactic acid bacteria and Gram-negative bacilli. However, its antibacterial ability is stronger than that of sorbic acid and benzoic acid, and its antibacterial effect is not greatly affected by pH value. It works well within the pH range of 4 to 8. The longer the alkyl chain of the p-hydroxybenzoate class, the stronger the antibacterial effect. The order is butyl ester > propyl ester > ethyl ester. The p-hydroxybenzoate class is one of the widely used preservatives in various countries. In China, it is stipulated for use in pastry fillings, with a maximum usage of 0.5g/kg (based on p-hydroxybenzoic acid, the same below); in fruit juice (flavored) beverages, jam (excluding canned), soy sauce, and sauce, the maximum usage is 0.25g/kg; in carbonated beverages, egg yolk fillings, the maximum usage is 0.2g/kg; in vinegar, the maximum usage is 0.1g/kg; in fruit preservation, the maximum usage is 0.012g/kg. It can be used as a preservative (for food and medicine), an antibacterial agent, a fungicide, and an organic analysis agent for carbonyl and halide detection. This substance has a wide antibacterial effect on molds, yeasts, and bacteria. It has a stronger effect on molds and yeasts, but a weaker effect on bacteria, especially on Gram-negative bacilli and lactic acid bacteria. It is an efficient preservative and bactericide for food and medicine.

Xian Harmonious Natural Bio- Technology Co., Ltd was founded in 2017, and located in Xian International Logistics Industrial Zone, Xian City. Shaanxi Province, China. Now it is the leading researcher and one of the biggest manufacturer in high technology APl area.

There are 8 experts in our research team. We insistin innovation and produce high quality products. And GMP standard workshop and complete stainless extraction equipment.

We have 2 sales deparments over 20 people and sell our products allover the word. We also have strong professional research and development team talented personnel and completely equipped laboratoy for the quality controlling. Various Detection Device is equipped in HNB company, such as HPLCGC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.
HNB mainly engaged in export of products incuding,without limitation., pharmaceutical raw materials both for vet and human, also Vitamins, Amino Acids minerals, peptides, plant extract, feed and food additives. Our company's business is based on Honest, Trustwortly, Constanty to Go Beyond and Achieve Mutual Win. Sincerely hope to strengthen exchanges and cooperation with friends from both home and abroad.
Passion to innovate, Power to deliver !

Q1 Can i get some samples?

A1 Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2 How to start orders or make payments?

A2 Proforma invoice will be sent first after confirmation of order, enclosed our bank information.

Payment by T/T,or Paypal or Escrow(Alibaba).

Q3 How to confirm the Product Quality before placing orders?

A3 You can get free samples for some products,you only need to pay the shipping cost or arrange a courier

to us and take the samples. You can send us your product specifications and requests,we will manufacture

the products according to your requests.

Q4 What’s your MOQ?

A4 Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge

is 100% paid.

Q5 How about delivery leadtime?

A5 Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)

Q6 Is there a discount?

A6 Different quantity has different discount.

Q7 How do you treat quality complaint?

A7 First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem

caused by us, we will send you free goods for replacement or refund your loss.

Q8 How to contact us ?

A8 You can choose your interested products and send inquiry to us.