精品国产伦一区二区三区观看方式,五月天亚洲婷婷,久久97视频 http://m.mimgu.com The Leading Supplier of China Amine Catalysts Tue, 11 Jun 2024 10:36:24 +0000 zh-CN hourly 1 https://wordpress.org/?v=6.1.7 http://m.mimgu.com/wp-content/uploads/2023/12/1.jpg Phenylarsinic acid – Amine Catalysts http://m.mimgu.com 32 32 Phenylarsinic acid http://m.mimgu.com/archives/49713 Tue, 11 Jun 2024 10:36:24 +0000 http://m.mimgu.com/archives/49713 Phenylarsinic acid structural formula

Structural formula

Business number 02D6
Molecular formula C6H7AsO3
Molecular weight 202.04
label

Ai3-16050[qr],

Arsonicacid,phenyl-,

Arsonicacid,phenyl-[qr],

Kyselinabenzenarsonova,

Monophenylarsonic acid,

Phenylarsenic acid,

Phenyl-arsonicaci,

Phenylarsonic acid[qr]

Numbering system

CAS number:98-05-5

MDL number:MFCD00002097

EINECS number:202-631-9

RTECS number:CY3150000

BRN number:None

PubChem ID:None

Physical property data

1. Characteristics: White crystalline powder.


2. Density (g/mL,25): 1.76


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


4. Melting point (oC): 160


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


6. Boiling point (oC, kPa): Not determined


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, 55oC): Undetermined


12. Saturated vapor pressure (kPa, 25 oC): Not determined


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 (water): undetermined


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


18. Lower explosion limit (%,V/V): Undetermined


19. Solubility: Undetermined

Toxicological data

Acute toxicity: Rat oral LD50: 50mg/kg;
?MouseOral LD50270μg/kg;
-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA”>Rabbit intravenous injectionLD50:16mg/kg;

Ecological data

It is extremely harmful to water and toxic to fish. Do not let the product enter the water body.

Molecular structure data

None

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP):


2. Number of hydrogen bond donors: 2


3. Number of hydrogen bond acceptors: 3


4. Number of rotatable chemical bonds: 1


5. Number of tautomers:


6. Topological molecular polar surface area (TPSA): 57.5


7. Number of heavy atoms: 10


8. Surface charge: 0


9. Complexity: 145


10. Number of isotope atoms: 0


11. Determine the number of atomic stereocenters: 0


12. The number of uncertain atomic stereocenters: 0


13. Determine the number of stereocenters of chemical bonds: 0


14. Uncertain number of chemical bond stereocenters: 0


15. Number of covalent bond units: 1

Properties and stability

Does not decompose under normal temperature and pressure. Avoid contact with oxidants.

Storage method

Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. should be kept away from oxidizer, do not store together. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and equipment that are prone to sparks
Tools. The storage area should be equipped with emergency release equipment and suitable containment materials.

Synthesis method

After diazotization of aniline and Arsenous acid reaction is obtained.

Purpose

is used as an analytical reagent.

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