292362

Sigma-Aldrich

4-Sulfophthalic acid trisodium salt

technical grade

Linear Formula:
NaO3SC6H3-1,2-(CO2Na)2
CAS Number:
Molecular Weight:
312.14
MDL number:
PubChem Substance ID:
NACRES:
NA.22
Pricing and availability is not currently available.

grade

technical grade

SMILES string

Na+.Na+.Na+.O-C(=O)c1ccc(cc1C(O-)=O)S(O-)(=O)=O

InChI

1S/C8H6O7S.3Na/c9-7(10)5-2-1-4(16(13,14)15)3-6(5)8(11)12;;;/h1-3H,(H,9,10)(H,11,12)(H,13,14,15);;;/q;3*+1/p-3

InChI key

IWFDIIDATFUMQH-UHFFFAOYSA-K

Related Categories

General description

4-Sulfophthalic acid trisodium salt is formed as byproduct during the preparation of D&C Yellow No.10.

Application

4-Sulfophthalic acid trisodium salt has been used in the preparative separation of 3- and 4-sulfophthalic acid from a mixture by high-speed counter-current chromatography.

Packaging

25 g in glass bottle

Other Notes

Remainder 3-sulfophthalic acid, trisodium salt

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Hazard Codes

Xi

Risk Statement

36/37/38

Safety Statement

26-36

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Adrian Weisz et al.
Journal of chromatography. A, 966(1-2), 111-118 (2002-09-07)
Two modes of high-speed counter-current chromatography (HSCCC) were applied to separate 3- and 4-sulfophthalic acid from a mixture. Conventional HSCCC was useful for the separation of up to several hundred milligram quantities of these positional isomers, while pH-zone-refining CCC was...

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