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Merck
CN

247006

5-Sulfosalicylic acid dihydrate

ACS reagent grade, ≥99%, 99.0-101.0% (ACS specification), solid

Synonym(s):

2-Hydroxy-5-sulfobenzoic acid

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About This Item

Linear Formula:
HO3SC6H3-2-(OH)CO2H·2H2O
CAS Number:
5965-83-3
Molecular Weight:
254.21
NACRES:
NA.21
PubChem Substance ID:
24854842
UNSPSC Code:
12352100
EC Number:
202-555-6
MDL number:
MFCD00149540
Beilstein/REAXYS Number:
650741

Key Documents

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Product Name

5-Sulfosalicylic acid dihydrate, ACS reagent, ≥99%

InChI key

BHDKTFQBRFWJKR-UHFFFAOYSA-N

InChI

1S/C7H6O6S.2H2O/c8-6-2-1-4(14(11,12)13)3-5(6)7(9)10;;/h1-3,8H,(H,9,10)(H,11,12,13);2*1H2

SMILES string

[H]O[H].[H]O[H].OC(=O)c1cc(ccc1O)S(O)(=O)=O

grade

ACS reagent

assay

≥99%
99.0-101.0% (ACS specification)

form

solid

impurities

≤0.02% insolubles
≤0.04% salicylic acid

ign. residue

≤0.1%

mp

105-110 °C (lit.)

solubility

water: soluble 127.1 g/L at 20 °C

anion traces

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.02%

cation traces

Fe: ≤0.001%
heavy metals: ≤0.002%

functional group

carboxylic acid
sulfonic acid

Quality Level

200

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Application

5-Sulfosalicylic acid dihydrate is a poly functional metal chelating ligand that may be used to form metal coordination complexes.
Spray reagent for the detection of amino acids on TLC plates. Doping agent for polyaniline.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ9368
MKCZ9367
MKCZ5447
0000347350
0000347350

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Mohammad Habibi et al.
Animal nutrition (Zhongguo xu mu shou yi xue hui), 7(3), 868-882 (2021-10-12)
The objective of this study was to assess the growth efficiency of pigs fed with protein-restricted diets supplemented with branched-chain amino acids (BCAA) and limiting amino acids (LAA) above the recommended levels. Following 2 weeks of adaptation, 48 young barrows were
Synthesis, structure, and physical properties of calcium and strontium complexes with the ligand sulfosalicylic acid
Wu G, et al
Zeitschrift fur Anorganische und Allgemeine Chemie, 636(3?4), 652-656 (2010)
Synthetic Metals, 58, 309-309 (1993)
Charge transport and optical and magnetic properties of polyaniline synthesized with use of organic acids.
Raghunathan et al.
Physical review. B, Condensed matter, 47(20), 13189-13196 (1993-05-15)
Two salts of 5-sulfosalicylic acid and 3-aminopyridine.
Meng XG, et al.
Acta Crystallographica Section C, Crystal Structure Communications, 63(11), o667-o670 (2007)
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