150010

Dimethyl 5-sulfoisophthalate sodium salt

98%

• Synonym(s): 3,5-Bis(carbomethoxy)benzenesulfonic acid sodium salt, 3,5-Di(carbomethoxy)benzenesulfonic acid sodium salt, 5-Sulfoisophthalic acid dimethyl ester sodium salt, Dimethyl 5-(sodiosulfo)isophthalate, Dimethyl sulfoisophthalate sodium salt, Sodium 3,5-(dimethoxycarbonyl)benzenesulfonate
• Linear Formula: NaO₃SC₆H₃-1,3-(CO₂CH₃)₂
• CAS Number: 3965-55-7
• Molecular Weight: 296.23
• EC Number: 223-578-8
• MDL number: MFCD00007493
• UNSPSC Code: 12352100
• PubChem Substance ID: 24848999
• NACRES: NA.22

Properties

• assay: 98%
• form: solid
• mp: >300 °C (lit.)
• SMILES string: [Na+].COC(=O)c1cc(cc(c1)S([O-])(=O)=O)C(=O)OC
• InChI: 1S/C10H10O7S.Na/c1-16-9(11)6-3-7(10(12)17-2)5-8(4-6)18(13,14)15;/h3-5H,1-2H3,(H,13,14,15);/q;+1/p-1
• InChI key: LLHSEQCZSNZLRI-UHFFFAOYSA-M

Description

General description

Dimethyl 5-sulfoisophthalate sodium salt was used to produce a series of water-soluble polymeric surfactants.

Application

• Enhancing poly(lactic acid) crystallization: Dimethyl 5-sulfoisophthalate sodium salt was used as a nucleating agent in poly(lactic acid), significantly improving its crystallization behavior, which is crucial for developing biodegradable plastics with enhanced mechanical properties (Jongpanya-Ngam et al., 2022).
• Development of biodegradable polyester ionomers: A study on biodegradable aliphatic polyester ionomers, potentially incorporating Dimethyl 5-sulfoisophthalate sodium salt, focused on synthesizing environmentally friendly materials that offer practical benefits in medical and packaging applications (Han et al., 2004).

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
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves