44291

Dimethyl isophthalate

analytical standard

• Linear Formula: C₆H₄-1,3-(CO₂CH₃)₂
• CAS Number: 1459-93-4
• Molecular Weight: 194.18
• Beilstein/REAXYS Number: 1912251
• EC Number: 215-951-9
• MDL number: MFCD00008433
• UNSPSC Code: 85151701
• PubChem Substance ID: 329756492
• NACRES: NA.24

Properties

• grade: analytical standard
• Quality Level: 100
• vapor density: 6.8 (vs air)
• vapor pressure: 93.7 mmHg ( 208 °C)
• assay: ≥98.5% (GC)
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• mp: 64-68 °C (lit.)
• application(s): cleaning products; cosmetics; environmental; food and beverages; personal care
• format: neat
• SMILES string: COC(=O)c1cccc(c1)C(=O)OC
• InChI: 1S/C10H10O4/c1-13-9(11)7-4-3-5-8(6-7)10(12)14-2/h3-6H,1-2H3
• InChI key: VNGOYPQMJFJDLV-UHFFFAOYSA-N

Description

General description

Dimethyl isophthalate belongs to the class of phthalates, which are widely used as plasticizers to make hard plastics more flexible. They are utilized in a variety of products including cosmetics, detergents, lubricating oils, solvents, polychlorinated biphenyl substitutes, carriers in pesticide formulations, building products such as flooring, sheeting, films, personal care products, medical devices, food packaging and toys. Exposure to phthalates is inevitable due to its prevalence in most of the consumer products. Thus, there is continued investigation and ongoing research to determine the potential health hazards of these group of chemicals.

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here

Application

Dimethyl isophthalate may be used as an internal standard for determining, dimethyl-tere-phthalate (DMtP), dimethyl-phthalate (DMP), diethyl phthalate (DEP) in soil samples and biosolids using gas-chromatography coupled to mass spectrometry (GC-MS). It may also be used as an analytical reference standard for the quantification of the analyte in complex matrices including plastics, cosmetics, and environmental samples using gas chromatography coupled to positive chemical ionization mass spectrometry (GC-CIMS).

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: GHS07
• signalword: Warning
• hcodes: H319
• pcodes: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: 343.4 °F - closed cup
• flash_point_c: 173 °C - closed cup