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W296902

Sigma-Aldrich

Pyruvaldehyde solution

40 wt. % in H2O

Synonym(s):

Methylglyoxal solution, Acetylformaldehyde, Pyruvaldehyde, Pyruvic aldehyde

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About This Item

Linear Formula:
CH3COCHO
CAS Number:
78-98-8
Molecular Weight:
72.06
FEMA Number:
2969
Beilstein:
906750
Council of Europe no.:
105
MDL number:
MFCD00006960
UNSPSC Code:
12164502
PubChem Substance ID:
24901425
Flavis number:
7.001
NACRES:
NA.21

biological source

synthetic

Quality Level

400

grade

Halal

concentration

40 wt. % in H2O

refractive index

n20/D 1.41

density

1.178 g/mL at 25 °C

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

caramel

storage temp.

2-8°C

SMILES string

[H]C(=O)C(C)=O

InChI

1S/C3H4O2/c1-3(5)2-4/h2H,1H3

InChI key

AIJULSRZWUXGPQ-UHFFFAOYSA-N

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General description

Pyruvaldehyde solution may be used along with ammonium salts to prepare aqueous solutions that mimic atmospheric aerosol compositions to study the formation of absorbing secondary organic materials.

Disclaimer

For R&D or non-EU Food use. Not for retail sale.

Signal Word

Danger

Hazard Statements

H290,H317,H318,H341

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Muta. 2 - Skin Sens. 1

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Secondary organic material formed by methylglyoxal in aqueous aerosol mimics.
Sareen N, et al.
Atmospheric Chemistry and Physics, 10(3) (2010)
Björn Kuhla et al.
Annals of the New York Academy of Sciences, 1043, 211-216 (2005-07-23)
The accumulation of advanced glycation end products (AGEs) in brains with Alzheimer's disease (AD) has been implicated in the formation of insoluble deposits such as amyloid plaques and neurofibrillary tangles. AGEs are also known to activate glia, resulting in inflammation
Xiao-Yan Zou et al.
The Journal of investigative dermatology, 135(2), 589-598 (2014-09-04)
Glyoxalase I (GLO1) is a methylglyoxal detoxification enzyme being implicated in the progression of multiple malignancies. However, currently, the role of GLO1 in human nonmelanoma skin tumors remains unclear. To explore the expression of GLO1 in cutaneous neoplasms and its
Georg T Wondrak et al.
Biochemical pharmacology, 63(3), 361-373 (2002-02-21)
Tissue deterioration and aging have long been associated with the accumulation of chemically induced protein and DNA damage. Reactive oxygen species (ROS) and reactive carbonyl species (RCS), especially alpha-dicarbonyl compounds, are key mediators of damage caused by oxidative stress, glycation
Weijing Cai et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(13), 4940-4945 (2014-02-26)
Age-associated dementia and Alzheimer's disease (AD) are currently epidemic. Neither their cause nor connection to the metabolic syndrome (MS) is clear. Suppression of deacetylase survival factor sirtuin 1 (SIRT1), a key host defense, is a central feature of AD. Age-related
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