2,3-diaminonaphthalene

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2,3-diaminonaphthalene

Product Name: 2,3-diaminonaphthalene
CAS No.: 771-97-1
Chemical Name: 2,3-diaminonaphthalene
Synonyms: Naphthalene-2,3-diamine;DAN;2,3-DIAMINONAPHTHALENE;2,3-NAPHTHALENEDIAMINE;JACS-771-97-1;NAPHTHALENEDIAMINE;TIMTEC-BB SBB000127;2,3-DiaminonaphthaL;2,3-Diaminonapthalene;2,3-NAPHTHYLENEDIAMINE
CBNumber: CB8101895
Molecular Formula: C10H10N2
Formula Weight: 158.2
MOL File: 771-97-1.mol

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2,3-diaminonaphthalene Property

Melting point:: 197-203 °C
Boiling point:: 273.29°C (rough estimate)
Density: 1.0968
refractive index: 1.6392 (estimate)
storage temp.: Keep in dark place,Inert atmosphere,2-8°C
solubility: pyridine: soluble50mg/mL
pka: 5.36±0.10(Predicted)
form: Crystalline Powder
color: Green-brown to brown
Water Solubility: Slightly soluble in water. Soluble in pyridine, dimethylsulfoxide, dimethyformamide, dil.hydrochloric acid, ethanol, ether and hot methanol.
BRN: 2206394
Stability:: Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference: 771-97-1(CAS DataBase Reference)
EPA Substance Registry System: 2,3-Naphthalenediamine (771-97-1)

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Safety

Hazard Codes: Xn,T
Risk Statements: 22-36/37/38-45
Safety Statements: 26-45-53
RIDADR: 2811
WGK Germany: 3
F: 8-10-23
TSCA: Yes
HS Code: 29215900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

H350May cause cancer

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 88461
Product name: 2,3-Diaminonaphthalene
Purity: BioReagent, suitable for fluorescence, ≥98.0% (HPLC)
Packaging: 25mg
Price: $52.2
Updated: 2024/03/01

Sigma-Aldrich

Product number: 88461
Product name: 2,3-Diaminonaphthalene
Purity: BioReagent, suitable for fluorescence, ≥98.0% (HPLC)
Packaging: 100mg
Price: $84.3
Updated: 2024/03/01

TCI Chemical

Product number: D1045
Product name: 2,3-Diaminonaphthalene
Purity: >98.0%(T)
Packaging: 1g
Price: $133
Updated: 2024/03/01

TCI Chemical

Product number: D1045
Product name: 2,3-Diaminonaphthalene
Purity: >98.0%(T)
Packaging: 5g
Price: $298
Updated: 2024/03/01

Alfa Aesar

Product number: A12993
Product name: 2,3-Diaminonaphthalene, 97%
Packaging: 1g
Price: $126
Updated: 2024/03/01

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2,3-diaminonaphthalene Chemical Properties,Usage,Production

Description

2,3-Diaminonaphthalene is a highly selective colorimetric and fluorometric reagent for selenium detection and also used for the fluorometric determination of nitrite. It is also useful for detection of ketones and alpha-keto acids.
2,3-Diaminonaphthalene reacts with nitrosonium, which is formed from nitrite at low pH, to form the fluorescent dye 1 H-naphthotriazole. This method can be used to detect 10 nM to 10 uM of nitrite (NO2-) and is compatible with 96-well format.
Fluorometric probe for nitrite
Quantify 10 nM to 10 uM of nitrite
Yellow orange solid soluble in DMSO

Chemical Properties

colourless to white crystalline powder

Uses

2,3-Diaminonaphtaline (DAN) is used as a derivatisation-reagent for the determination of selenium at low detection limits.

Uses

In a reaction similar to that of DAF-FM , 2,3- diaminonaphthalene (D-7918) reacts with the nitrosonium cation that forms spontaneously from NO to form the fluorescent product 1H-naphthotriazole.Using 2,3-diaminonaphthalene, researchers have developed a rapid, quantitative fluorometric assay that can detect from 10 nM to 10 μM nitrite and is compatible with a 96-well microplate format.

Uses

2,3-Diaminonaphthalene is used in preparation of precursors for multi-layer 3D material comprising chiral organic sandwich compounds.

Reactions

2,3-diaminonaphthalene (DAN) is a fluorometric probe for nitrite. It reacts with nitrosonium, which is formed from nitrite at low pH, to form the fluorescent dye 1 H-naphthotriazole. This method can be used to detect 10 nM to 10 uM of nitrite (NO2-) and is compatible with 96-well format.

Reaction of 2,3-Diaminonaphthalene with NO2.

Purification Methods

Crystallise the diamine from water, or dissolve it in 0.1M HCl, by heating to 50o. After cooling, the solution is extracted with decalin to remove fluorescent impurities and centrifuged. [Beilstein 13 IV 346.]

2,3-diaminonaphthalene Preparation Products And Raw materials

Raw materials

1,1'-Carbonyldiimidazole Ammonium Sulfite Sodium hypochlorite Ammonium hydroxide N,N-Dimethylformamide 3-Hydroxy-2-naphthoic acid Dichloromethane Sodium hydroxide 2,3-Dihydroxynaphthalene

Preparation Products

Atorvastatin

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View Lastest Price from 2,3-diaminonaphthalene manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: 2,3-DIAMINONAPHTHALENE 771-97-1
Price: US $10.00/KG
Min. Order: 100KG
Purity: 99%
Supply Ability: 100 mt
Release date: 2024-11-29

Henan Fengda Chemical Co., Ltd

Product: 2,3-diaminonaphthalene 771-97-1
Price: US $8.00-2.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2024-04-24

Hebei Mujin Biotechnology Co.,Ltd

Product: 2,3-DIAMINONAPHTHALENE 771-97-1
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-08-18

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2,3-Diaminonaphthalene(ForNoDetection)

NAPHTHALENEDIAMINE

TIMTEC-BB SBB000127

Naphthalene-2,3-diamine

2,3-Diaminonaphthalene,97%

2,3-Diaminonapthalene

2,3-DiaMinonaphthalene, 97% 1GR

2,3-DiaMinonaphthalene, 97% 5GR

2,3-DiaMinonaphthalene [for BiocheMical Research]

DAN 2,3-Naphthalenediamine

Diaminonaphthalene test solution(ChP)

2,3-NAPHTHYLENEDIAMINE

2,3-NAPHTHALENEDIAMINE

2,3-DIAMINONAPHTHALENE

2,3-Diaminonaphthalene *CAS 771-97-1*

DAN

JACS-771-97-1

2,3-Diaminonaphthalene &gt

2,3-Diaminonaphthalene[forBiochemicalResearch]&gt

2,3-DiaminonaphthaL

2,3-DIAMINONAPHTHALENE ISO 9001：2015 REACH

Diaminonaphthalene test solution

2,3-DIAMINONAPHTHALENE Extra Pure

DAN, Fluorescence determination of NO2-

771-97-1

771-91-1

Nitric Oxide and Oxygen Probes

Nitric Oxide Probes

Fluorescent Indicators and Probes

Fluorescent Probes, Labels, Particles and Stains

Biochemicals and Reagents

BioChemical

Naphthalene derivatives