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283266

Sigma-Aldrich

4-Sulfophthalic acid solution

50 wt. % in H2O, technical grade

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Linear Formula:
HO3SC6H3-1,2-(CO2H)2
CAS Number:
89-08-7
Molecular Weight:
246.19
MDL number:
MFCD00007494
UNSPSC Code:
12162002
PubChem Substance ID:
24857097
NACRES:
NA.23

grade

technical grade

concentration

50 wt. % in H2O

refractive index

n20/D 1.447

density

1.292 g/mL at 25 °C

SMILES string

OC(=O)c1ccc(cc1C(O)=O)S(O)(=O)=O

InChI

1S/C8H6O7S/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)

InChI key

WNKQDGLSQUASME-UHFFFAOYSA-N

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Other Notes

major contaminant is 3-sulfophthalic acid

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Precautionary Statements

P280 - P305 + P351 + P338 - P310

Hazard Classifications

Skin Corr. 1B

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Junquan Meng et al.
ACS applied materials & interfaces, 11(31), 28461-28468 (2019-07-12)
To solve the pore-wetting problems of membrane distillation, we developed a series of three-layer composite pervaporation (PV) membranes that could be applied in direct contact mode. Specifically, a porous poly(vinylidene fluoride) (PVDF) layer was placed on top of a polytetrafluoroethylene
En-Cui Yang et al.
Dalton transactions (Cambridge, England : 2003), 44(7), 3190-3199 (2015-01-13)
Four new 4-amino-1,2,4-triazole (atr)-based coordination polymers, {[Cu2(atr)(H2O)(μ-OH)2(pa)]·H2O}n (), {[Cu3(atr)2(H2O)2(μ-OH)2(npa)2]·2H2O}n (), {[Cu3(atr)5(dca)(μ-OH)(ClO4)2](ClO4)2}n () and {[Cu3(atr)2(H2O)(μ3-OH)(μ-OH)2(spa)]·1.5H2O}n () (pa(2-) = phthalate, npa(2-) = 3-nitrophthalate, dca(-) = dicyanamide and spa(3-) = 4-sulfophthalate), were successfully obtained by varying the carboxylate- and cyanide-modified magnetic bridges. Structural

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