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1.01257

Starch

Name: Starch
Brand: MM

soluble acc. to Zulkowsky GR for analysis

Synonym(s):

Starch, Amylum, Potato starch for determination of diastase

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About This Item

Linear Formula:

(C₆H₁₀O₅)_n

CAS Number:

9005-84-9

EC Index Number:

232-686-4

UNSPSC Code:

12352201

MDL number:

MFCD00082026

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Properties

Quality Level

100

form

solid

pH

6.0-7.5 (25 °C, 20 g/L in H₂O)

solubility

50 g/L

bulk density

300 kg/m³

storage temp.

no temp limit

InChI

1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5-,6+,7-,8-,9-,10-,11+,12-/m1/s1

InChI key

GUBGYTABKSRVRQ-ASMJPISFSA-N

Description

General description

Carbohydrate
This starch quality is prepared according to a modified procedure published by Zulkowsky. The molecular weight is reduced to a mean by hydrolysis and oxidation.

Analysis Note

Appearance (colour): white
Appearance (description): fine powder
pH-value (2 %; water): 6.5 - 7.5
Sensitivity: passes test
Reducing matter (as maltose): ≤ 1.0 %
Sulfated ash: ≤ 7.0 %
Loss on drying (105 °C, 2 h): ≤ 10.0 %
Suitability as enzyme substrate (for amylases): passes test

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c