1.01257

Starch

soluble acc. to Zulkowsky GR for analysis

• Sinónimos: Starch, Amylum, Potato starch for determination of diastase
• Fórmula lineal: (C₆H₁₀O₅)_n
• Número de CAS: 9005-84-9
• MDL number: MFCD00082026
• UNSPSC Code: 12352201
• EC Index Number: 232-686-4

Propiedades

• 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

Descripción

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

Información de seguridad

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable