Lignin (alkaline), Sigma-Aldrich®

Supplier: Merck

Synonyms: Lignin, kraft

M-Clarity™ quality level = MQ100

370959-100G 370959-500G
SIAL370959-100GEA 147 EUR
SIAL370959-100G SIAL370959-500G
Lignin (alkaline), Sigma-Aldrich®
Lignin (alkaline)

Lignin, alkali is a complex, three dimensional polymer that is also known as kraft lignin that has undergone hydrolytic degradation. It is one of the major components of lignocellulosic materials. Lignin is a major product for second generation bioethanol production and is an impurity in the separation of cellulose from wood.

Density: 1.3 g/mL (25 °C)
MDL Number: MFCD00147441
CAS Number: 8068-05-1

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Specification Test Results

CAS Number 8068-05-1
MDL Number MFCD09039274
Surface Tension 43 mN/m (1% aqueous)
Impurities 5% moisture
Loss on Heating @ 316 °C 13,4 % wt.
Loss on Heating @ 149 °C 3,3 % wt.
Loss on Heating @ 204 °C 5,7 % wt.
Loss on Heating @ 260 °C 8,5 % wt.
pH 6,5 (25 °C, 5%, aqueous solution)
Transition Temp Sintering point 188 °C
Soluble Dioxane, Ethylene Glycol
Partially Soluble MEK, Methanol
Insoluble Hexane, Benzene
Density 1,3 g/ml at 25 °C
Bulk Density 23 lb/cu.ft (loose) and 32 lb/cu.ft (packed)


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