41423

p-Tolualdehyde

analytical standard

• Sinonimo/i: 4-Methylbenzaldehyde
• Formula condensata: CH₃C₆H₄CHO
• Numero CAS: 104-87-0
• Peso molecolare: 120.15
• Beilstein: 385772
• Numero CE: 203-246-9
• Numero MDL: MFCD00006954
• Codice UNSPSC: 85151701
• ID PubChem: 329756103
• NACRES: NA.24

Proprietà

• Grado: analytical standard
• Livello qualitativo: 100
• Saggio: ≥97.0% (GC)
• Durata: limited shelf life, expiry date on the label
• tecniche: HPLC: suitable; gas chromatography (GC): suitable
• Impurezze: ≤0.5% o-tolualdehyde (GC); ≤0.50% m-tolualdehyde (GC); ≤1.0% water; ≤3.0% free carboxylic acid (T)
• Indice di rifrazione: n20/D 1.544-1.548; n20/D 1.545 (lit.)
• P. ebollizione: 204-205 °C (lit.); 82-85 °C/11 mmHg (lit.)
• Densità: 1.019 g/mL at 25 °C (lit.)
• applicazioni: cleaning products; cosmetics; flavors and fragrances; food and beverages; personal care
• Formato: neat
• Stringa SMILE: [H]C(=O)c1ccc(C)cc1
• InChI: 1S/C8H8O/c1-7-2-4-8(6-9)5-3-7/h2-6H,1H3; FXLOVSHXALFLKQ-UHFFFAOYSA-N

Descrizione

Descrizione generale

p-Tolualdehyde (4-Methylbenzaldehyde) is a methylated benzene[1] that belongs to the class of aromatic aldehydes.[2] It is identified as a flavor/aroma component in Greek cotton honey,[3] Brazilian wines,[4] tobacco, etc.[1] 4-Methylbenzaldehyde is also reported to be produced by the members of the genus, Phellinus.[5]

Applicazioni

p-Tolualdehyde may be used as an analytical reference standard for the quantification of the analyte in the following:

• Air samples using high-performance liquid chromatography with UV detection (HPLC-UV).[6]
• Mango cultivars using gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS).[7]

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Informazioni sulla sicurezza

• Pittogrammi: GHS07
• Avvertenze: Warning
• Indicazioni di pericolo: H302,H315,H319
• Consigli di prudenza: P264 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P332 + P313
• Classi di pericolo: Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
• Codice della classe di stoccaggio: 10 - Combustible liquids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): 161.6 °F - closed cup
• Punto d’infiammabilità (°C): 72 °C - closed cup