84679

Naphthalene

analytical standard

• Empirical Formula (Hill Notation): C₁₀H₈
• CAS Number: 91-20-3
• Molecular Weight: 128.17
• Beilstein/REAXYS Number: 1421310
• EC Number: 202-049-5
• MDL number: MFCD00001742
• UNSPSC Code: 20121904
• PubChem Substance ID: 329769306
• NACRES: NA.24

Properties

• grade: analytical standard
• Quality Level: 100
• vapor density: 4.4 (vs air)
• vapor pressure: 0.03 mmHg ( 25 °C)
• assay: ≥99.7% (GC)
• autoignition temp.: 978 °F
• shelf life: limited shelf life, expiry date on the label
• expl. lim.: 5.9 %
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• bp: 218 °C (lit.)
• mp: 79.5-81.0 °C; 80-82 °C (lit.)
• application(s): cleaning products; cosmetics; environmental; food and beverages; personal care
• format: neat
• SMILES string: c1ccc2ccccc2c1
• InChI: 1S/C10H8/c1-2-6-10-8-4-3-7-9(10)5-1/h1-8H
• InChI key: UFWIBTONFRDIAS-UHFFFAOYSA-N

Description

General description

Naphthalene is widely used as an intermediate in the chemical and plastics industry. It is commonly found in petroleum, coal, mothballs, cigarette smoke, biomass burning, incomplete combustion, etc.

Application

Naphthalene is used as a calibration standard for the real-time quantification with high specificity for naphthalene vapor and other HOVs in industrial environment using NaDos personal exposure monitor (PEM) device.

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

Safety Information

• pictograms: GHS02,GHS08,GHS07,GHS09
• signalword: Warning
• hcodes: H228,H302,H351,H410
• pcodes: P202 - P210 - P240 - P273 - P301 + P312 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Flam. Sol. 2
• Storage Class: 4.1B - Flammable solid hazardous materials
• wgk_germany: WGK 3
• flash_point_f: 173.3 °F - closed cup
• flash_point_c: 78.5 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges