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W200344 Sigma-Aldrich

Acetaldehyde solution

natural, 50 wt. % ethanol, FG

  • CAS Number 75-07-0

  • Linear Formula CH3CHO

  • Molecular Weight 44.05

  •  FEMA Number 2003

  •  MDL number MFCD00006991

  •  PubChem Substance ID 24900786

  •  Flavis number 5.001



Related Categories A-B, Alphabetical Listings, Certified Food Grade Products, Certified Natural Products, Flavors and Fragrances More...
grade   FG
reg. compliance   FDA 21 CFR (117)
  EU Regulation 1334/2008 & 178/2002
vapor pressure   25.89 psi ( 55 °C)
  5.54 psi ( 20 °C)
concentration   50 wt. % ethanol
refractive index   n20/D 1.39
bp   61-82 °C
density   0.868 g/mL at 20 °C
  0.882 g/mL at 25 °C
Documentation   see Safety & Documentation for available documents
Organoleptic   fruity; ethereal; pungent
food allergen   no known allergens



16.5 kg in stainless steel drum

2 kg in glass bottle

Other Notes

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Legal Information

For R&D Use and/or for Food Manufacturing only

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
UN 1993BF 3 / PGII
WGK Germany 
Flash Point(F) 
30.2 °F
Flash Point(C) 
-1 °C

New Product Offerings
Protocols & Articles


Hard-to-Handle Ingredients? Packaging Engineers Can Help

Introducing Hard-to-Handle Ingredients Acetaldehyde What is a Packaging Engineer? Packaging Engineers Offer Support Pack Selection and Testing Other Considerations Sigma-Aldrich Offers Support
Dr. Luke Grocholl1, Stacy Kingston2

1Quality Assurance Supervisor, Sigma-Aldrich Flavors and Fragrances
2Stacy Kingston, Senior Packaging Engineer
Keywords: Oxidations, Phase transitions

Securing a Traceable Supply Chain for Food Grade Flavor Ingredients

Introduction Defining "Food Grade" Understanding "Food Grade" Versus "Industrial Grade" Top Questions to Ask a Flavor & Fragrances Supplier The Sigma-Aldrich Approach
Dr. Luke Grocholl
Quality Assurance Supervisor, Sigma-Aldrich Flavors & Fragrances
Keywords: Food & Beverage, Food Safety, Solvents

The Complex Regulatory Landscape for Natural Flavor Ingredients

Introduction The Regulatory Landscape US and EU Definitions of Natural Regional Regulatory Variations The Example of Vanillin The Case for Standardization
Mr. Michael Sabisch1, Mr. David Smith2

1Senior Quality Assurance Specialist
2International Sales Coordinator, Sigma-Aldrich Flavors & Fragrances
Keywords: Fermentation, Food Safety, Oxidations

Related Content

Flavors and Fragrances Quality and Regulatory

From a comprehensive vendor approval process, to the testing of raw material at receipt as well as when product is ready to be shipped; we prove our dedication to supply chain transparency, every day.
Keywords: Allergens, Food Safety, Solvents

Peer-Reviewed Papers


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