4-Amino-2,5-dichlorobenzenesulfonic acid

Modify Date: 2026-07-08 11:50:10

4-Amino-2,5-dichlorobenzenesulfonic acid Structure
4-Amino-2,5-dichlorobenzenesulfonic acid structure
Common Name 4-Amino-2,5-dichlorobenzenesulfonic acid
CAS Number 88-50-6 Molecular Weight 242.080
Density 1.7±0.1 g/cm3 Boiling Point N/A
Molecular Formula C6H5Cl2NO3S Melting Point N/A
MSDS N/A Flash Point 11 °C

Summary: 2,5-Dichlorosulfanilic Acid (Chinese name: 2,5-二氯苯胺-4-磺酸,CAS number: 88-50-6), with molecular formula C6H5Cl2NO3S and molecular weight 242.080, is a white to almost white powder or crystal with a density of 1.7±0.1 g/cm3. 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 2,5-Dichlorosulfanilic Acid
Synonym More Synonyms

 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 1.7±0.1 g/cm3
Molecular Formula C6H5Cl2NO3S
Molecular Weight 242.080
Flash Point 11 °C
Exact Mass 240.936722
PSA 88.77000
LogP 1.39
Index of Refraction 1.648
InChIKey SJCTXIKOXTUQHC-UHFFFAOYSA-N
SMILES Nc1cc(Cl)c(S(=O)(=O)O)cc1Cl

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

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

Hazard Codes Xn;N,N,Xn,T,F
Risk Phrases R22:Harmful if swallowed. R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment . R39/23/24/25:Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed . R23/24
Safety Phrases S61-S45-S36/37
RIDADR UN 3082
RTECS TE6550000
Packaging Group II
Hazard Class 6.1(a)
HS Code 2921420090

 Synthetic Route

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

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4-Amino-2,5-dichlorobenzenesulfonic acid Structure

4-Amino-2,5-dic...

CAS#:88-50-6

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Literature: Chemische Berichte, , vol. 38, p. 3515

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4-Amino-2,5-dichlorobenzenesulfonic acid Structure

4-Amino-2,5-dic...

CAS#:88-50-6

Learn More
Literature: Journal of the American Chemical Society, , vol. 42, p. 151

 Customs

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

HS Code 2921420090
Summary HS:2921420090 aniline derivatives and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 4-Amino-2,5-dichlorobenzenesulfonic acidBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
Name: HIV Cellular Data
Source: NIAID
Target: N/A
External Id: HIV Cellular Data
Total 3, Current Page 1 of 1
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 Synonyms

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

EINECS 201-836-0
4-Amino-2,5-dichlorobenzenesulfonic acid
MFCD00025159

 4-Amino-2,5-dichlorobenzenesulfonic acid | FAQ

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

Q: What English synonyms does 2,5-Dichlorosulfanilic Acid have?
A: English synonyms of 2,5-Dichlorosulfanilic Acid: EINECS 201-836-0, 4-Amino-2,5-dichlorobenzenesulfonic acid, MFCD00025159.
Q: What are the downstream products of 2,5-Dichlorosulfanilic Acid?
A: Related downstream products(CAS) of 2,5-Dichlorosulfanilic Acid: 27761-65-5;615-93-0;12239-15-5;69121-21-7.
Q: What is the SMILES notation of 2,5-Dichlorosulfanilic Acid?
A: SMILES notation of 2,5-Dichlorosulfanilic Acid is Nc1cc(Cl)c(S(=O)(=O)O)cc1Cl.
Q: What is the safety information for 2,5-Dichlorosulfanilic Acid?
A: Safety information for 2,5-Dichlorosulfanilic Acid: S61-S45-S36/37.
Q: What is the molecular formula of 2,5-Dichlorosulfanilic Acid?
A: Molecular formula of 2,5-Dichlorosulfanilic Acid is C6H5Cl2NO3S.
Q: What is the LogP of 2,5-Dichlorosulfanilic Acid?
A: LogP of 2,5-Dichlorosulfanilic Acid is 1.39.
Q: What is the InChIKey of 2,5-Dichlorosulfanilic Acid?
A: InChIKey of 2,5-Dichlorosulfanilic Acid is SJCTXIKOXTUQHC-UHFFFAOYSA-N.
Q: What is the polar surface area (PSA) of 2,5-Dichlorosulfanilic Acid?
A: Polar surface area (PSA) of 2,5-Dichlorosulfanilic Acid is 88.77000.
Q: What is the molecular weight of 2,5-Dichlorosulfanilic Acid?
A: Molecular weight of 2,5-Dichlorosulfanilic Acid is 242.080.
Q: What are the upstream materials of 2,5-Dichlorosulfanilic Acid?
A: Related upstream materials(CAS) of 2,5-Dichlorosulfanilic Acid: 95-82-9;7647-01-0;861784-97-6.

 4-Amino-2,5-dichlorobenzenesulfonic acidfactory

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

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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