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Merck

S7422

5-Sulfosalicylic acid dihydrate

BioPerformance Certified, ≥99.0%, BioXtra

Synonym(s):

2-Hydroxy-5-sulfobenzoic acid

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About This Item

Linear Formula:
HO3SC6H3-2-(OH)CO2H·2H2O
CAS Number:
Molecular Weight:
254.21
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
202-555-6
MDL number:
Beilstein/REAXYS Number:
650741
Assay:
≥99.0%
Grade:
BioPerformance Certified
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Product Name

5-Sulfosalicylic acid dihydrate, BioXtra, ≥99.0%

grade

BioPerformance Certified

Quality Segment

product line

BioXtra

assay

≥99.0%

impurities

≤0.0005% Phosphorus (P), ≤0.02% Insoluble matter

ign. residue

≤0.1%

mp

105-110 °C (lit.)

solubility

H2O: 1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.1%

cation traces

Al: ≤0.002%, Ca: ≤0.005%, Cu: ≤0.0005%, Fe: ≤0.002%, K: ≤0.005%, Mg: ≤0.0005%, NH4+: ≤0.05%, Na: ≤0.005%, Pb: ≤0.001%, Zn: ≤0.0005%

functional group

carboxylic acid, sulfonic acid

SMILES string

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

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

InChI key

BHDKTFQBRFWJKR-UHFFFAOYSA-N

General description

5-Sulfosalicylic acid dihydrate is a poly functional metal chelating agent. Within industry, it is used in the manufacture of organic catalysts and grease additives. Additionally, it serves as a colorimetric reagent for the detection of ferric ions, producing a violet color. This characteristic is particularly valuable for quantifying the amount of albumin in urine.


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pictograms

Corrosion

signalword

Danger

hcodes

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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