Welcome to LookChem.com Sign In|Join Free
  • or
Home > Pharmaceutical > 2491 > 

2491-52-3

Products Categories

Basic Information
CAS No.: 2491-52-3
Name: 4-NITROAZOBENZENE TECH. 90
Article Data: 32
Molecular Structure:
Molecular Structure of 2491-52-3 (4-NITROAZOBENZENE TECH. 90)
Formula: C12H9 N3 O2
Molecular Weight: 227.222
Synonyms: Azobenzene,4-nitro- (6CI,7CI,8CI); Diazene, (4-nitrophenyl)phenyl- (9CI);4-Nitroazobenzene; NSC 16043; p-Nitroazobenzene
Density: 1.23g/cm3
Melting Point: 132-134 °C(lit.)
Boiling Point: 392.9°Cat760mmHg
Flash Point: 191.4°C
Solubility: 636.2ug/L(25 oC)
Hazard Symbols:
Risk Codes: 20/21/22-36/37/38-40
Safety: Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also NITRO COMPOUNDS of AROMATIC HYDROCARBONS.
PSA: 70.54000
LogP: 4.53340
Related products
Hot Products
  • Display:default sort

    New supplier

  • Diazene,1-(4-nitrophenyl)-2-phenyl-

  • Casno:

    2491-52-3

    Diazene,1-(4-nitrophenyl)-2-phenyl-

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 3.0-3.0

    As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

    Dayang Chem (Hangzhou) Co.,Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredi

  •  Dayang Chem (Hangzhou) Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-88938639

    Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China

       Inquiry Now

  • Diazene,1-(4-nitrophenyl)-2-phenyl-

  • Casno:

    2491-52-3

    Diazene,1-(4-nitrophenyl)-2-phenyl-

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

    Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, s

  •  Shandong Mopai Biotechnology Co., LTD

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-15965530500

    Address:shandong

       Inquiry Now

  • Diazene,1-(4-nitrophenyl)-2-phenyl-

  • Casno:

    2491-52-3

    Diazene,1-(4-nitrophenyl)-2-phenyl-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    factory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents

    Antimex Chemical Limied, was founded in 2001, we are specializing in manufacturing & researching of Active pharmaceutical Ingredients,Veterinary pharm APIs,cosmetic ingredients,and

  •  Antimex Chemical Limied

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:0086-21-50563169

    Address:Room1027,No.Jinyu Road,Pudong

       Inquiry Now

  • Diazene,1-(4-nitrophenyl)-2-phenyl- cas 2491-52-3

  • Casno:

    2491-52-3

    Diazene,1-(4-nitrophenyl)-2-phenyl- cas 2491-52-3

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Diazene,1-(4-nitrophenyl)-2-phenyl- cas 2491-52-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

    Welcome to Hangzhou Fandachem Co.,Ltd (www.FandaChem.com) Hangzhou Fandachem Co.,Ltd (Fandachem),an experienced and professional China-based Fine Chemical supplier. We supply the

  •  Hangzhou Fandachem Co.,Ltd

    China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-571-28800458

    Address:Room 5010, No.9 YanAn Road,Hangzhou,Zhejiang,China

       Inquiry Now

  • 4-nitroazobenzene

  • Casno:

    2491-52-3

    4-nitroazobenzene

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio

    CFTC PharmaChem is a service based company in China, a pharmachem division of Changzhou Foreign Trade Corp.,supplying raw materials, intermediates, APIs and fine chemicals for the

  • Changzhou Foreign Trade Corp

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-519-86623222

    Address:29F/D, 99 Yanling West Road, Changzhou, Jiangsu, China

       Inquiry Now

  • Total:5 Page 1 of 1 1
Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 2491-52-3

Chemistry

Product Name: 4-Nitroazobenzene 
CAS Registry Number: 2491-52-3 
Synonyms: (4-Nitrophenyl)phenyldiazene ; 4-Nitroazobenzene ; AI3-08892 ; EINECS 219-656-6 ; NSC 16043 ; p-Nitroazobenzene ; Azobenzene, 4-nitro- ; Diazene, (4-nitrophenyl)phenyl- (9CI) 
IUPAC Name: (4-nitrophenyl)-phenyldiazene 
Molecular Weight: 227.21876 [g/mol]
Molecular Formula: C12H9N3O2
XLogP3: 3.9
H-Bond Acceptor: 4 
Surface Tension: 52 dyne/cm
Density: 1.23 g/cm3
Flash Point: 191.4 °C 
Melting Point: 132-134 °C(lit.)
Enthalpy of Vaporization: 61.76 kJ/mol
Boiling Point: 392.9 °C at 760 mmHg
Vapour Pressure: 5.02E-06 mmHg at 25°C 
Product Categories: N;Stains and Dyes;Stains&Dyes, A to
Following is the molecular structure of 4-Nitroazobenzene (CAS NO.2491-52-3) is:

Toxicity Data With Reference

1.    

mmo-sat 100 nmol/plate

     GANNA2    Gann. Japanese Journal of Cancer Research. 68 (1977),373.

Safety Profile

Safty information about 4-Nitroazobenzene (CAS NO.2491-52-3) is:
Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. 
Hazard Codes:
HarmfulXn
Risk Statements:
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R40:Limited evidence of a carcinogenic effect. 
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S27:Take off immediately all contaminated clothing. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
RTECS: CN2710000