retinol 68-26-8 vitamin a made in china:

 

property of pure retinol cas 68-26-8

other name: vitamin a palmitate/retinyl palmitate/retinol palmitate

cas no.: 79-81-2

molecular formula: c36h60o2

molecular weight: 524.86

stabilizer: bht or dl-alpha-tocopherol (as per customers favourate).

 

brief specification of pure retinol cas 68-26-8

appearance: yellow crystal or liquid

identification: positive

assay: 1.70million iu/g min.

absorbance ratio (325 nm): 0.85min.

peroxide value: 1.0 ml of 0.01mol/l na2s2o3 max.

acid value: 2.0 max.

 

product name	retinoic acid
appearance	yellow to light orange crystalline powder
purity	98%-102%
odor	characteristic
taste	characteristic
loss on drying	nmt5.0%
sulphated ash	nmt5.0%
heavy metals	nmt 10ppm
residual solvents	eur.pharm.
total plate count	nmt 1000cfu/g
yeast & moulds	nmt 100cfu/g
e.coli.	negative
salmonella	negative
enterobacteria	negative
staphylococcus aureus	negative

conclusion	conform with specification
packing	25 kg/paper drum
storage	store in sealed containers at cool & dry place. protect from light, moisture and pest infestation.
shelf life	2 years when properly stored

solubility of pure retinol cas 68-26-8

vitamin a is soluble in fats and oils and hydrocarbons.

 

stability of pure retinol cas 68-26-8

excessive heat, light and oxygen will degrade the product.

when stored in an unopened container at 250c, approximately 0.5% loss of potency per month is expected.

once the container is opened, the contents should be used as rapidly as possible and any unused portion padded with inert gas.

 

storage of pure retinol

below 250c will enhance shelf-life but may cause crystallization of the vitamin.

gentle warming, less than 400c, and thorough mixing before use will melt and homogenize the product.

 

during processing, the addition of an antioxidant such as dl-alpha tocopherol or bht is recommended.

 

application of pure retinol cas 68-26-8

it is the main existence form of vitamin a in nature.

vitamin a is essential for vision, adequate growth and tissue differentiation.

 

main functions

-retinoic acid is the acid form of vitamin a and so also known as all-trans retinoic acid or atra.

 

-retinoic acid is a drug commonly used to treat acne vulgaris and keratosis pilaris.

 

-retinoic acid is available as a cream or gel.retinoic acid is also used to treat acute promyelocytic leukemia.

 

-retinoic acid can stimulate skin growth and keep epidermic normal.

 

-retinoic acid can slow down skin aging process for solarization, remove tiny wrinkles, and retinoic acid canreduce skin roughness, so skin will become ruddy.

Q1: Can i get some samples

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

 

Q2: How to start orders or make payments 

A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, , Paypal or Escrow.

 

Q3: How to confirm the Product Quality before placing orders 

A: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 

A: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 lead time 

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

 

Q6:Is it OK to print my logo on package

A:Sure.Please inform and offer your Logo formally before production.