2657-00-3

Basic information

• Product Name: Sodium 2-diazo-1-naphthol-5-sulfonate
• Synonyms: 6-Diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonic Acid Sodium Salt 1,2-Naphthoquinone-2-diazido-5-sulfonic Acid Sodium Salt Sodium 1,2-Naphthoquinone-2-diazido-5-sulfonate;2-Dinzo-1-oxo-5-Naphttalehe sulfonic acid;1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-, sodium s;[Research for Photosensitive Material];Sodium 6-Diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate 2-DIAZO-1-NAPHTHOL-5-SULFONIC ACID SODIUM SALT;2-DIAZO-1-OXO-5-NAPHTHALENE SULFONIC ACID SODIUM SALT;1,2-NAPHTHOQUINONE-2-DIAZIDO-5-SULFONIC ACID SODIUM SALT
• CAS NO: 2657-00-3
• Molecular Formula: C₁₀H₅N₂O₄S*Na
• Molecular Weight: 272.22
• EINECS: 220-189-5
• Mol File: 2657-00-3.mol
• Article Data: 0

Chemical Properties

• Appearance: yellow powder
• Density: 1.73 at 20℃
• Vapor Pressure: 0.01-1Pa at 20-50℃
• Stability: Stable, but may be light sensitive. Incompatible with acids, bases, strong oxidizing agents. Highly flammable - self-reactive so
• CAS DataBase Reference: Sodium 2-diazo-1-naphthol-5-sulfonate(CAS DataBase Reference)
• NIST Chemistry Reference: Sodium 2-diazo-1-naphthol-5-sulfonate(2657-00-3)
• EPA Substance Registry System: Sodium 2-diazo-1-naphthol-5-sulfonate(2657-00-3)

Safety Data

• Hazard Codes: F
• Statements: 11
• Safety Statements: 16-26-33-36
• RIDADR: UN 3226 4.1
• WGK Germany: 2
• F: 4.11
• Hazardous Substances Data: 2657-00-3(Hazardous Substances Data)

Usage

Description

Sodium 2-diazo-1-naphthol-5-sulfonate is a yellow powder that is a white to light colored solid substance. It is insoluble in water and denser than water. Contact with this substance may irritate the skin, eyes, and mucous membranes, and it may be toxic if ingested. Additionally, it may ignite and burn with an intense flame if exposed to high temperatures or flame.

Uses

Used in Chemical Industry:
Sodium 2-diazo-1-naphthol-5-sulfonate is used as a chemical intermediate for the synthesis of various dyes and pigments. Its unique chemical properties make it a valuable component in the production of a wide range of colorants used in different applications.
Used in Pharmaceutical Industry:
Sodium 2-diazo-1-naphthol-5-sulfonate is used as a reagent in the pharmaceutical industry for the detection and analysis of certain compounds. Its ability to react with specific substances makes it a useful tool in research and development, as well as in quality control processes.
Used in Research and Development:
In the field of research and development, Sodium 2-diazo-1-naphthol-5-sulfonate is used as a starting material for the creation of new compounds with potential applications in various industries. Its unique properties allow scientists to explore new avenues in chemical synthesis and innovation.
Used in Quality Control:
Sodium 2-diazo-1-naphthol-5-sulfonate is used as a reference material in quality control processes to ensure the purity and consistency of products in the chemical and pharmaceutical industries. Its distinct characteristics make it an ideal standard for comparison and verification purposes.

Air & Water Reactions

Dust may form an explosive mixture in air. Insoluble in water.

Reactivity Profile

Self-decomposition or self-ignition may be triggered by heat, chemical reaction, friction or impact. Sodium 2-diazo-1-naphthol-5-sulfonate is a diazo derivative. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.

InChI:InChI=1/C10H6N2O4S.Na/c11-12-8-5-4-6-7(10(8)13)2-1-3-9(6)17(14,15)16;/h1-5H,(H,14,15,16);/q;+1/p-1

Synthetic route

Bisphenol B (77-40-7) + sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate (2657-00-3) → 4-(1-(4-((6-diazo-5-oxo-5,6-dihydro-1-naphthalenyl)sulfonyl)oxyphenyl)-1-methylpropyl)phenyl 6-diazo-5-oxo-5,6-dihydro-1-naphthalenesulfonate (1064170-66-6)

Conditions	Yield
Stage #1: sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate With bis(trichloromethyl) carbonate; triethylamine In dichloromethane at -50℃; for 1.33333h; Stage #2: Bisphenol B With triethylamine In dichloromethane at 0℃; for 1h; Excluding light;	100%

sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate (2657-00-3) → 2-diazo-1-oxo-1,2-dihydronaphthalene-4-sulfonyl chloride (1001756-09-7, 3770-97-6)

Conditions	Yield
With triethylamine; trichloromethyl chloroformate In dichloromethane at -50℃; for 1.33333 - 1.5h; Product distribution / selectivity;	80%
With bis(trichloromethyl) carbonate; triethylamine In dichloromethane at -50℃; for 1.33333h; Product distribution / selectivity;	80%
With bis(trichloromethyl) carbonate; triethylamine In dichloromethane at -50℃; for 1.33333h; Product distribution / selectivity;

sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate (2657-00-3) → sodium 3-carboxyindene-7-sulfonate + C20H10O8S2(2-)*2Na(1+) + C20H10O8S2(2-)*2Na(1+) + C20H10O8S2(2-)*2Na(1+)

Conditions	Yield
In water Product distribution; Rate constant; Mechanism; Irradiation; irradiation between var. conditions;

sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate (2657-00-3) → Sodium; 1-oxa-cyclopropa[a]naphthalene-4-sulfonate

Conditions	Yield
Product distribution; Rate constant; laser flash photolysis in methanol or water;

methanol (67-56-1) + sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate (2657-00-3) → Sodium; 1-oxomethylene-1H-indene-4-sulfonate + Sodium; 1-[1-hydroxy-1-methoxy-meth-(E)-ylidene]-1H-indene-4-sulfonate + Sodium; 5-hydroxy-6-methoxy-naphthalene-1-sulfonate

Conditions	Yield
Quantum yield; Product distribution; Mechanism; Irradiation; other substituted and unsubstituted diazodihydronaphthalenones; other aliphatic alcohols and H2O;

Downstream Products

• 1064170-66-6 4-(1-(4-((6-diazo-5-oxo-5,6-dihydro-1-naphthalenyl)sulfonyl)oxyphenyl)-1-methylpropyl)phenyl 6-diazo-5-oxo-5,6-dihydro-1-naphthalenesulfonate 
• 1001756-09-7 2-diazo-1-oxo-1,2-dihydronaphthalene-4-sulfonyl chloride