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82640-05-9

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82640-05-9 Usage

General Description

PHORWHITE REU is a high-performance optical brightening agent used in the paper and textile industries to enhance the brightness and whiteness of materials. It is chemically known as tetrasulfonated optical brightening agent and belongs to the stilbene class of chemicals. PHORWHITE REU is highly effective at reflecting ultraviolet light and converting it into visible blue light, resulting in a brighter and whiter appearance. It is also resistant to heat and light, making it suitable for a wide range of applications. Additionally, PHORWHITE REU is compatible with various materials and can be easily incorporated into the manufacturing process. Overall, it is a versatile and efficient additive for achieving high levels of brightness in paper and textiles.

Check Digit Verification of cas no

The CAS Registry Mumber 82640-05-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,4 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82640-05:
(7*8)+(6*2)+(5*6)+(4*4)+(3*0)+(2*0)+(1*5)=119
119 % 10 = 9
So 82640-05-9 is a valid CAS Registry Number.

82640-05-9Upstream product

82640-05-9Downstream Products

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