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Merck
CN

W296902

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
Organoleptic:
caramel
Grade:
Halal
Biological source:
synthetic
Food allergen:
no known allergens

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biological source

synthetic

Quality Level

300
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

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS6705
SHBS4032
SHBR8792
SHBQ6061
SHBQ4703

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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)
Naila Ahmed et al.
Investigative ophthalmology & visual science, 44(12), 5287-5292 (2003-11-26)
To determine the concentrations of methylglyoxal-derived advanced glycation end-products (AGEs), the hydroimidazolones MG-H1 and -H2, in soluble human lens proteins and compare them with the concentrations of other methylglyoxal-derived AGEs and pentosidine. Lens protein samples were hydrolyzed enzymatically. AGEs were
Nicole Schupp et al.
Annals of the New York Academy of Sciences, 1043, 685-695 (2005-07-23)
In patients with chronic renal failure, cancer incidence is increased. This may be related to an elevated level of genomic damage, which has been demonstrated by micronuclei formation as well as by comet assay analysis. Advanced glycation end products (AGEs)
P Seppänen et al.
Biochimica et biophysica acta, 674(2), 169-177 (1981-05-05)
1. Putrescine and spermidine depletion produced by alpha-difluoromethylornithine, an irreversible inhibitor or ornithine decarboxylase (EC 4.1.1.17), resulted in a strikingly enhanced cellular uptake of methylglyoxal bis(guanylhydrazone) in cultured Ehrlich ascites carcinoma cells and human lymphocytic leukemia cells. 2. A prior
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
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