p-Diazobenzenesulfonic acid
Basic information
- CAS
305-80-6- Standard SMILES
N#[N+]c1ccc(S(=O)(=O)[O-])cc1- InChIKey
UEUIKXVPXLWUDU-UHFFFAOYSA-N- Molecular formula
- C6H4N2O3S
- Average molar mass
- 184.17 g/mol
- Monoisotopic mass
- 183.99426317
Overview
4-diazoniobenzenesulfonate is the aromatic diazonium ion that is diazotised 4-aminobenzenesulfonic acid. It has a role as a hapten. It is functionally related to a benzenesulfonate.
Names & identifiers
- Preferred name
- p-Diazobenzenesulfonic acid
- IUPAC
- 4-diazoniobenzenesulfonate
- English name
- P-DIAZOBENZENESULFONIC ACID
- Molecular formula
- C6H4N2O3S
- Molecular weight
- 184.17
Names & synonyms
p-Diazobenzenesulfonic acid4-DIAZOBENZENESULFONIC ACID4-Sulfonatobenzenediazonium4-sulfobenzenediazonium inner saltRPZ6A2S3KC4-SULFODIAZOBENZENE4-Diazobenzenesulphonic acidP-SULFOPHENYLDIAZONIUMBenzenediazonium, 4-sulfo-, inner saltDIAZOTIZED SULFANILIC ACIDEINECS 206-168-3P-DIAZOBENZENESULFONIC ACID [MI]
Show more names
Resorcinol Impurity 74-diazobenzenesulfonicacid4-Diazophenylsulfonic acid4-SulfobenzenediazoniumhydroxideBenzenesulfonic Acid Impurity 29
RefChem:8580534-diazoniobenzenesulfonate305-80-6p-diazoniobenzenesulfonatepara-azobenzenesulfonate4-Benzenediazoniumsulfonate4-DBSA1-benzenediazonium-4-sulfonate
Database identifiers
- CAS
305-80-6- PubChem CID
- 67539
- DTXSID
DTXSID201024057- ChEMBL
CHEMBL307081- ChEBI
Properties
Computed structural properties
- XLogP
- 1.2
- Topological polar surface area
- 93.7 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 4
- Rotatable bonds
- 0
- Heavy atoms
- 12
- Formal charge
- 0
- Complexity
- 275
Experimental & physicochemical properties
SpringerMaterials PropertiesCrystal structure
Physicochemical properties
- Melting point
- 104 ° · 104°
- Boiling point
- -0.5 °C · -0.5°C
- Density
- 1.538 · 1.538 (estimate)
- refractive index
- 1.643 · 1.6430 (estimate)
- color
- Needles from water
- FDA UNII
- 6 A2S3KC · RPZ6A2S3KC
- EPA Substance Registry System
- p-Diazobenzenesulfonic acid (305-80-6)
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 315 · H315-H335
- Precautionary statements
- 264 · P264-P280-P302+P352-P321-P332+P313-P362
- Hazard Codes
- E,Xi
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P271, P280, P302+P352, P304+P340, P319, P321, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 42 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Safety data
- tsca
- TSCA listed
- ridadr
- UN 3226
- risk_code
- 1-37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- hazard_code
- E,Xi
- safety_code
- 26-36
- Hazard statements
- H315-H335
- Precautionary statements
- P264-P280-P302+P352-P321-P332+P313-P362
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationBenzenediazonium, 4-sulfo-, inner salt: INACTIVE
Applications
Uses4-Diazobenzenesulfonic Acid is a useful catalyst for cellobiose hydrolysis.
UsesReagent for determination of phenols, bilirubin, halides and amines. Irreversible probe in membrane protein studies.
Upstream & downstream products
Upstream raw materials
Downstream products
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Related reactions
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Compound notes
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