166502

Glyoxal sodium bisulfite addition compound hydrate

• Synonym(s): 1,2-Dihydroxy-1,2-ethanedisulfonic acid disodium salt hydrate
• Linear Formula: [-CH(OH)SO₃Na]₂ · xH₂O
• CAS Number: 332360-05-1
• Molecular Weight: 266.16 (anhydrous basis)
• EC Number: 208-233-1
• MDL number: MFCD00149541
• UNSPSC Code: 12352100
• PubChem Substance ID: 24850166
• NACRES: NA.22

Properties

• form: solid
• mp: 193 °C (dec.) (lit.)
• SMILES string: O.[Na+].[Na+].OC(C(O)S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C2H6O8S2.2Na.H2O/c3-1(11(5,6)7)2(4)12(8,9)10;;;/h1-4H,(H,5,6,7)(H,8,9,10);;;1H2/q;2*+1;/p-2
• InChI key: JQYGKJGYGOFFIK-UHFFFAOYSA-L

Description

General description

Convenient, nonaqueous form of glyoxal

Application

Glyoxal sodium bisulfite addition compound hydrate was used to convert N-benzyl-2,3,4-trimethoxyaniline to sodium 5,6,7-trimethoxy-1-benzylindolyl-2-sulfite. It was used in the synthesis of 6-hydroxyquinoxaline.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves