D-xylose

CAS Number
58-86-6
EC Number
200-400-7
FEMA Number
FEMA 3606

What is D-xylose?

D-xylose (CAS 58-86-6), also known as wood sugar, is a naturally occurring pentose monosaccharide derived primarily from hemicellulose hydrolysis of plant materials such as corncobs and birch wood.

Where is D-xylose used?

  • Food production: brown color generation
  • Baked goods, confectionery and savory products: roasted flavor notes through controlled Maillard reactions with amino acids
  • Pharmaceuticals: excipient in oral formulations
  • Diagnostic reference standard for intestinal absorption testing
  • Cosmetics: humectant and skin-conditioning agent in moisturizers and serums
  • Biotechnology: fermentation substrate for producing xylitol and other bio-based compounds
  • In industry it functions as a reducing sugar, humectant, and Maillard reaction precursor.

Commercial specifications

  • Bulk quantities typically offered in 25 kg bags
  • High-purity grades exceeding 99% for analytical use

Other Names (Synonyms)

wood sugar|D-Xyl|xylose|D-xylopyranose|Xylomed|d-xylopyranoside|Xylo-Pfan|Xylose, pure

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What are the physical properties of D-xylose?

Melting Point 153-154 °C
Boiling Point 191.65°C (rough estimate)
Density 1.525 g/cm³ @ Temp: 20 °C
Flash Point > 100°(212°F)
Appearance white crystals or powder
Color White
Odor Odorless
Form Fine Crystalline Powder
Water Solubility soluble
Refractive Index 20 ° (C=10, H2O)
pH 4.0-6.0 (25℃, 1M in H2O)
Log P -1.98

How is D-xylose classified and handled safely? Learn More

Warning
GHS07· Irritant

Hazard Statements

H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.

Which trade and regulatory codes apply to D-xylose?

HS Code 29400090
Storage Class 13 - Non Combustible Solids
WGK (Germany) 2
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