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128465

Sigma-Aldrich

Glyoxal solution

40 wt. % in H2O

Sinonimo/i:

Ethanedial, Oxalaldehyde

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About This Item

Formula condensata:
OHCCHO
Numero CAS:
107-22-2
Peso molecolare:
58.04
Beilstein:
1732463
Numero MDL:
MFCD00006957
Codice UNSPSC:
12352114
ID PubChem:
57647035
NACRES:
NA.21

Densità del vapore

>1 (vs air)

Livello qualitativo

200

Tensione di vapore

18 mmHg ( 20 °C)

Forma fisica

liquid

Temp. autoaccensione

545 °F

Concentrazione

40 wt. % in H2O

Indice di rifrazione

n20/D 1.4087

Solubilità

water: soluble(lit.)

Densità

1.265 g/mL at 25 °C

Stringa SMILE

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

InChI

1S/C2H2O2/c3-1-2-4/h1-2H
LEQAOMBKQFMDFZ-UHFFFAOYSA-N

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Descrizione generale

The product is 40wt.% solution of glyoxal in water. Glyoxal is a linear aliphatic dialdehyde containing two aldehyde groups. It participates in the synthesis of glyoxylic acid. It is highly reactive in nature. It can be prepared by oxidizing ethanol or acetaldehyde with nitric acid. It is widely employed in textile and paper industry.

Applicazioni

Glyoxal solution has been used as a crosslinking agent during the synthesis of DNA-containing nanoparticles in a study. It has been used as derivatizing reagent, in the precolumn fluorescence derivatization of N-terminal tryptophan containing peptides which can be separated via high performance liquid chromatography. It may also be used in the synthesis of glyoxal bis(4-phenyl-3-thiosemicarbazones)solution, which can be used in the spectrophotometric determination of palladium in catalysts.

Altre note

This form of glyoxal is composed of 3 moles of glyoxal and 2 moles of water in a relatively stable configuration.

Avvertenza

May precipitate on storage; redissolve at 50-60 °C.

Avvertenze

Danger

Indicazioni di pericolo

H314,H317,H335,H341

Classi di pericolo

Eye Dam. 1 - Muta. 2 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

8A - Combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificati d'analisi (COA)

Lot/Batch Number
STBL3811
STBL3892
MKCV9680
MKCV5435
STBL1275

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