Dialdehyde starch

Identifiers

CAS Number

* 9047-50-1 Y

ChemSpider |

* none

MeSH | Dialdehyde+starch
Properties

Chemical formula

| (C6H8O5)n
Appearance  | White, opaque crystals

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)
Infobox references

Tracking categories (test):

* SizeSet

Dialdehyde starch is a polysaccharide derived by chemical modification from starch. It is prepared by periodate oxidation of starch.[1]

It has found use in the paper industry, where in it has been shown to improve the wet strength of consumer products like toilet paper and paper towels.[2]

## References

1. ↑ Yu, Jiugao; Chang, Peter R.; Ma, Xiaofei (2010). "The preparation and properties of dialdehyde starch and thermoplastic dialdehyde starch". Carbohydrate Polymers 79 (2): 296. doi:10.1016/j.carbpol.2009.08.005.
2. ↑ US patent 4001032, "Method of Making Nongelling Aqueous Cationic Dialdehyde Starch Compositions"

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