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Key Documents

8.22068

Sigma-Aldrich

Hydroxyethylcellulose

for synthesis

Synonym(s):

Hydroxyethylcellulose

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About This Item

CAS Number:
9004-62-0
MDL number:
MFCD00072770
UNSPSC Code:
12352201
NACRES:
NA.22
Pricing and availability is not currently available.

Quality Level

200

form

granular

autoignition temp.

>360 °C

bulk density

350 kg/m3

storage temp.

2-30°C

SMILES string

O1C(C(C(C(C1CO)OC)O)OCCO)OC2C(OC(C(C2O)O)OC4C(OC(C(C4O)O)C)CO)COC3OC(C(C(C3O)O)OC)CO

InChI

1S/C29H52O21/c1-10-15(34)16(35)24(13(8-33)45-10)49-28-20(39)18(37)25(50-29-26(43-5-4-30)21(40)23(42-3)12(7-32)47-29)14(48-28)9-44-27-19(38)17(36)22(41-2)11(6-31)46-27/h10-40H,4-9H2,1-3H3

InChI key

CWSZBVAUYPTXTG-UHFFFAOYSA-N

Analysis Note

Assay (Cellulose ether): ≥ 92.0 %

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Questions

1–2 of 2 Questions  

  1. Would you please provide information about the degree of substitution?

    1 answer

    1. Unfortunately, the degree of substitution (DS) of 8.22068 is not determined.

      Helpful?

  2. Can provide some basic information of this product such as density, solubility, molecular weight

    1 answer

    1. The average molecular weight is 300,000 MU and the bulk density is 350 kg/m3. HEC dissolves readily in water and is chemically and physically stable over a wide pH range. The viscocity of this product is not measured, however a similar product (308633) has a specification of 300 - 400 cps at 25 deg. C in water at 2%. Please check the literature for gelation conditions and properties. There are several HEC products available. See the link below to review:
      https://www.sigmaaldrich.com/search/9004-62-0?focus=products&page=1&perpage=30&sort=relevance&term=9004-62-0&type=cas_number

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