Sulfosalicylic Acid

Modify Date: 2026-07-23 13:22:38

Sulfosalicylic Acid Structure
Sulfosalicylic Acid structure
Common Name Sulfosalicylic Acid
CAS Number 97-05-2 Molecular Weight 218.184
Density 1.8±0.1 g/cm3 Boiling Point N/A
Molecular Formula C7H6O6S Melting Point 120°C
MSDS N/A Flash Point N/A

 Use of Sulfosalicylic Acid


5-Sulfosalicylic acid is a sulfonated salicylic acid derivative. 5-Sulfosalicylic acid is effective against the breast cancer cell line, MCF-7, with less toxicity[1]. 5-Sulfosalicylic acid has antioxidant activities[2].

Summary: 5-Sulfosalicylic acid, Chinese name: 5-磺基水杨酸, CAS number: 97-05-2, molecular formula: C7H6O6S, molecular weight: 218.184. Appearance: white to grayish white hygroscopic crystalline powder, melting point: 120°C, density: 1.8±0.1 g/cm³. Used as an intermediate in the production of antibiotics such as doxycycline and methoxycycline, also as an intermediate for dyes and surfactants, used for measuring total protein in urine and metal ion chelating agent. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 5-Sulfosalicylic acid
Synonym More Synonyms

 Sulfosalicylic Acid Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description 5-Sulfosalicylic acid is a sulfonated salicylic acid derivative. 5-Sulfosalicylic acid is effective against the breast cancer cell line, MCF-7, with less toxicity[1]. 5-Sulfosalicylic acid has antioxidant activities[2].
Related Catalog
In Vitro 5-Sulfosalicylic acid (0.5-4 mM, 24 h) shows a reduction in the viability of MCF-7 cells[1]. Cell Cytotoxicity Assay[1] Cell Line: MCF-7 and HUVEC cells Concentration: 0.5, 1, 2, 4 mM Incubation Time: 24 hours Result: Showed the viability of 63.3% and 70.4% in MCF-7 and HUVEC control cells respectively at 1 mM 5-Sulfosalicylic acid.
References

[1]. Münteha Özsoy, et al. A protein-sulfosalicylic acid/boswellic acids @metal-organic framework nanocomposite as anticancer drug delivery system. Colloids Surf B Biointerfaces. 2021 Aug;204:111788.

[2]. K. Ezhilmathi, et al. Effect of 5-sulfosalicylic acid on antioxidant activity in relation to vase life of Gladiolus cut flowers. Plant Growth Regul 51, 99 (2007).

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.8±0.1 g/cm3
Melting Point 120°C
Molecular Formula C7H6O6S
Molecular Weight 218.184
Exact Mass 217.988510
PSA 120.28000
LogP -0.69
Index of Refraction 1.650
InChIKey YCPXWRQRBFJBPZ-UHFFFAOYSA-N
SMILES O=C(O)c1cc(S(=O)(=O)O)ccc1O

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VO6500000
CHEMICAL NAME :
Salicylic acid, 5-sulfo-
CAS REGISTRY NUMBER :
97-05-2
BEILSTEIN REFERENCE NO. :
0650741
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C7-H6-O6-S
MOLECULAR WEIGHT :
218.19
WISWESSER LINE NOTATION :
WSQR DQ CVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1850 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal) Gastrointestinal - other changes
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570587
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,565,1969
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
7940 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal) Lungs, Thorax, or Respiration - other changes
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570587 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81215 No. of Facilities: 2580 (estimated) No. of Industries: 7 No. of Occupations: 10 No. of Employees: 18777 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81215 No. of Facilities: 1425 (estimated) No. of Industries: 4 No. of Occupations: 16 No. of Employees: 44936 (estimated) No. of Female Employees: 36255 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xn
Risk Phrases R22;R36/37/38
Safety Phrases S26
RIDADR UN 1760
Packaging Group III
Hazard Class 8
HS Code 2918290000

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~%

Sulfosalicylic Acid Structure

Sulfosalicylic Acid

CAS#:97-05-2

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Literature: Chemicke Listy, , vol. 32, p. 292 Chem. Zentralbl., , vol. 110, # I p. 795

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Sulfosalicylic Acid Structure

Sulfosalicylic Acid

CAS#:97-05-2

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Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2> 61, p. 545

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Sulfosalicylic Acid Structure

Sulfosalicylic Acid

CAS#:97-05-2

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Literature: Gazzetta Chimica Italiana, , vol. 18, p. 346,351

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Sulfosalicylic Acid Structure

Sulfosalicylic Acid

CAS#:97-05-2

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Literature: Monatshefte fuer Chemie, , vol. 18, p. 124

~%

Sulfosalicylic Acid Structure

Sulfosalicylic Acid

CAS#:97-05-2

Learn More
Literature: Journal of the Indian Chemical Society, , vol. 5, p. 437 Chem. Zentralbl., , vol. 99, # II p. 2241

~%

Sulfosalicylic Acid Structure

Sulfosalicylic Acid

CAS#:97-05-2

Learn More
Literature: Journal of the Indian Chemical Society, , vol. 5, p. 437 Chem. Zentralbl., , vol. 99, # II p. 2241

~%

Sulfosalicylic Acid Structure

Sulfosalicylic Acid

CAS#:97-05-2

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Literature: Justus Liebigs Annalen der Chemie, , vol. 179, p. 107 Chemische Berichte, , vol. 33, p. 3238

~%

Sulfosalicylic Acid Structure

Sulfosalicylic Acid

CAS#:97-05-2

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Literature: Am.ch., vol. <10>14, p. 193

~%

Sulfosalicylic Acid Structure

Sulfosalicylic Acid

CAS#:97-05-2

Learn More
Literature: Justus Liebigs Annalen der Chemie, , vol. 103, p. 45,50

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2918290000
Summary HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Sulfosalicylic Acid
5-Sulfosalicylic Acid
EINECS 202-555-6
MFCD00007508
Sulphosalicylic acid
2-Hydroxy-5-sulfobenzoic acid

 Sulfosalicylic Acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of 5-Sulfosalicylic acid?
A: SMILES notation of 5-Sulfosalicylic acid is O=C(O)c1cc(S(=O)(=O)O)ccc1O.
Q: What is the CAS number of 5-Sulfosalicylic acid?
A: CAS number of 5-Sulfosalicylic acid is 97-05-2.
Q: What English synonyms does 5-Sulfosalicylic acid have?
A: English synonyms of 5-Sulfosalicylic acid: Sulfosalicylic Acid, 5-Sulfosalicylic Acid, EINECS 202-555-6, MFCD00007508, Sulphosalicylic acid, 2-Hydroxy-5-sulfobenzoic acid.
Q: What is the molecular weight of 5-Sulfosalicylic acid?
A: Molecular weight of 5-Sulfosalicylic acid is 218.184.
Q: What is the English name of 5-Sulfosalicylic acid?
A: The English name of 5-Sulfosalicylic acid is 5-Sulfosalicylic acid.
Q: What are the uses of 5-Sulfosalicylic acid?
A: Main uses of 5-Sulfosalicylic acid: 5-Sulfosalicylic acid is a sulfonated salicylic acid derivative. 5-Sulfosalicylic acid is effective against the breast cancer cell line, MCF-7, with less toxicity[1]. 5-Sulfosalicylic acid has antioxidant activities[2].
Q: What are the downstream products of 5-Sulfosalicylic acid?
A: Related downstream products(CAS) of 5-Sulfosalicylic acid: 3260-93-3;24619-05-4;118-75-2;320-72-9;1708-40-3;34556-95-1;2476-35-9;17243-13-9;1829-32-9;69-72-7.
Q: What is the safety information for 5-Sulfosalicylic acid?
A: Safety information for 5-Sulfosalicylic acid: S26.
Q: What is the polar surface area (PSA) of 5-Sulfosalicylic acid?
A: Polar surface area (PSA) of 5-Sulfosalicylic acid is 120.28000.
Q: What is the melting point of 5-Sulfosalicylic acid?
A: Melting point of 5-Sulfosalicylic acid is 120°C.

 Sulfosalicylic Acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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