| Customization: | Available |
|---|---|
| CAS No.: | 121-79-9 |
| Formula: | C10h12o5 |
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Introduction:
Propyl gallate (also known as propyl 3, 4, 5-trihydroxybenoate) is a kind of ester formed through the condensation of gallic acid and propanol. It appears as a fine white to creamy-white crystalline powder. It has long been used as a kind of antioxidants to be supplied to foods especially animal fats and vegetable oil, being especially effective with polyunsaturated fats. Propyl gallate, as an anti-oxidant, can protect the food and oils from the attack of oxygen free radicals, having an effect similar to the superoxide dismutase. It can also be applied to ethers, emulsion, waxes, and transformer oil as the antioxidants.
Application:
Propyl gallate is used to protect oils and fats in products from oxidation.
Propyl gallate is used in foods, cosmetics, hair products, adhesives, and lubricants.
Propyl gallate is used as a triplet state quencher and an antioxidant in fluorescence microscopy.
| ITEMS | SPECIFICATION |
| APPEARANCE | WHITE CRYSTALLINE PARTICLE |
| LOSS ON DRYING | 0.5% MAX. |
| MELTING POINT | 146-150ºC |
| GALLIC ACID | 0.5% MAX. |
| SULPHATE | 0.1% MAX. |
| IGNITED RESIDUE | 0.1%MAX |
| HEAVY METAL(PB) | 10PPM MAX. |
| AS | 3PPM MAX. |
| CHLORIDES | 100 PPM MAX. |
| TOTAL CHLORIN E | 200 PPM MAX. |
| PURITY | 98.0%~102.0% |
Packaging:
Shipping:
Q1:May I get one simple before placing order?
For those high value products, you just need to freight and certain productcost. When we both cooperate for some times or when you are our VIPcustomer, free sample will be offered when you need.
Q2:Which payment is available for your company?
Re: T/T, L/C trade insurance. You can choose the one which isconvenient for you.
Q3.:How and when can l get my goods after payment?
Re: For small quantity products, they will be delivered to you byinternational courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost3-5days that you can get the goods after delivery.For large quantityproducts,shipping by see is worthwhile.lt will cost days to weeks to come toyour destination port, which depends on where the port is.
Q4: Is there any possible to use my appointed label or package?
Re: Yes. lf needed, we'd like to use label or package according to yourrequirement.
Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of onecompany, so whatever products we provide for you all are qualified. We willhave goods tested and provide COA before delivery for sure.
After Sales Service:
NO.1.Our company guarantes that the products that leave the factory are produced and inspected accrding to the relevant national standards and the ungualitfed productswll never leave the factory. Guarantee the strict implementation and fulfilment ofproduct quality, and strictly implement relevant regulations on product afer-salesservice.
NO.2. the customer raises objection to the quality ofou company's products, we promises to respond within 24 hours afer reciving the user's objection Ifthe quality ofour company's products does not meet the promise, we are willing to refund the payment.
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