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CAS

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17556-69-3

[(E)-Phenylazo]methane, commonly known as azobenzene, is a synthetic organic compound characterized by its chemical formula C12H10N2. It exists as a red-orange crystalline solid and is widely recognized for its application as a synthetic dye and in the production of polymeric materials. Azobenzene's unique molecular structure, featuring two benzene rings connected by an azo group (N=N), allows for reversible thermal and photochemical isomerization. This characteristic renders it highly valuable in the creation of molecular switches and materials that exhibit photoresponsive behavior. Additionally, azobenzene finds use in liquid crystal displays, optical storage media, and as a photosensitive compound in photodynamic therapy for cancer treatment. However, due to its toxicity and potential environmental risks, caution is advised when handling azobenzene.

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  • 17556-69-3 Structure

  • Basic information

    1. Product Name: [(E)-Phenylazo]methane
    2. Synonyms: [(E)-Phenylazo]methane
    3. CAS NO:17556-69-3
    4. Molecular Formula: C7H8N2
    5. Molecular Weight: 0
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 17556-69-3.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: [(E)-Phenylazo]methane(CAS DataBase Reference)
    10. NIST Chemistry Reference: [(E)-Phenylazo]methane(17556-69-3)
    11. EPA Substance Registry System: [(E)-Phenylazo]methane(17556-69-3)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 17556-69-3(Hazardous Substances Data)

17556-69-3 Usage

Uses

Used in Dye Industry:
[(E)-Phenylazo]methane is used as a synthetic dye for its red-orange color, providing a vibrant hue to various products.
Used in Polymer Production:
Azobenzene is utilized as a key component in the production of polymeric materials, contributing to their development and application in various industries.
Used in Molecular Switches and Photoresponsive Materials:
Due to its reversible isomerization property, [(E)-Phenylazo]methane is used as a molecular switch and in the creation of materials that exhibit photoresponsive behavior, making them suitable for a range of applications, including optical devices and smart materials.
Used in Liquid Crystal Displays (LCDs):
Azobenzene is employed in the development and functioning of liquid crystal displays, enhancing their performance and contributing to the advancement of display technology.
Used in Optical Storage Media:
[(E)-Phenylazo]methane is used in the development of optical storage media, such as CDs and DVDs, due to its light-sensitive properties, which allow for the efficient storage and retrieval of data.
Used in Photodynamic Therapy for Cancer Treatment:
[(E)-Phenylazo]methane is used as a photosensitive compound in photodynamic therapy, where it plays a crucial role in the treatment of cancer by enhancing the effectiveness of light-based therapies.

Check Digit Verification of cas no

The CAS Registry Mumber 17556-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,5 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17556-69:
(7*1)+(6*7)+(5*5)+(4*5)+(3*6)+(2*6)+(1*9)=133
133 % 10 = 3
So 17556-69-3 is a valid CAS Registry Number.

17556-69-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (E)-Methylphenyldiazen

1.2 Other means of identification

Product number -
Other names E-methylazobenzene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:17556-69-3 SDS

17556-69-3Relevant articles and documents

Investigations on the stability of l-methyl-2-phenylacetohydrazide

Bresser,Weber

, p. 470 - 476 (2007/10/03)

l-Methyl-2-phenylacetohydrazide (1), a degradation product of dipyrone, is hydrolytically stable. In contrast it is oxidized into several products like 3a/3b, 4 and 5a/5b. The composition of the reaction mixture depends on the oxidation conditions (ferricyanide; hydrogenperoxide with/without peroxidase; pH 5-9) and was determined by capillary column gaschromatography.

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