Toluene diisocyanate manufacturer Knowledge 4-Amino-4′-nitrostilbene-2,2′-disulfonic acid

4-Amino-4′-nitrostilbene-2,2′-disulfonic acid

4-Amino-4'-nitrostilbene-2,2'-disulfonic acid structural formula

Structural formula

Business number 03B9
Molecular formula C14H12N2O8S2
Molecular weight 400.38
label

5-Amino-2-[2-(4-nitro-2-sulfophenyl)ethenyl]-benzenesulfonic acid,

Heterocyclic compounds

Numbering system

CAS number:119-72-2

MDL number:None

EINECS number:None

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Characteristics: Brown powder


2. Density (g/mL,20): Undetermined


3. Relative vapor density (g/mL,air=1): Undetermined


4. Melting point (ºC): >300


5. Boiling point (ºC,normal pressure): Undetermined


6. Boiling point (ºC, KPa): Undetermined


7. Refractive index: Undetermined


8. Flashpoint (ºC): Undetermined


9. Specific optical rotation (º): Undetermined


10. Autoignition point or ignition temperature (ºC): Undetermined


11. Vapor pressure (mmHg,ºC): Undetermined


12. Saturated vapor pressure (kPa, ºC): Undetermined


13. Heat of combustion (KJ/mol): Undetermined


14. Critical temperature (ºC): Undetermined


15. Critical pressure (KPa): Undetermined


16. Oil and water (octanol/Log value of the partition coefficient for water: undetermined


17. Explosion limit (%,V/V): Undetermined


Topological molecule polar surface area (TPSA):184


7. Heavy atoms Quantity: 26


8. Surface charge :-2


9. Complexity :721


10. Number of isotope atoms:0


11. Determine the number of atomic stereocenters:0


12. Uncertain number of atomic stereocenters:0


13. Determine the number of stereocenters of chemical bonds:1


14. Uncertain number of chemical bond stereocenters:0


15. Number of covalent bond units: 1




Properties and stability

Avoid contact with strong oxidants.

Storage method

Stored in a cool, ventilated warehouse. Keep away from fire and water. should be kept away from oxidizer, do not store together. Equipped with corresponding varieties and quantities of consumer goods


Anti-protection equipment.

Synthesis method

None

Purpose

None

: -18pt; TEXT-ALIGN: left; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto” align=left> 13, Determine the number of stereocenters of chemical bonds:1


14. Uncertain number of chemical bond stereocenters:0


15. Number of covalent bond units: 1




Properties and stability

Avoid contact with strong oxidants.

Storage method

Stored in a cool, ventilated warehouse. Keep away from fire and water. should be kept away from oxidizer, do not store together. Equipped with corresponding varieties and quantities of consumer goods


Anti-protection equipment.

Synthesis method

None

Purpose

None

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/28553

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