www.成人爱,日韩电影网站,亚洲国产一区二区a毛片 http://www.mimgu.com The Leading Supplier of China Amine Catalysts Mon, 13 May 2024 09:32:57 +0000 zh-CN hourly 1 https://wordpress.org/?v=6.1.7 http://www.mimgu.com/wp-content/uploads/2023/12/1.jpg Dibenzo[a – Amine Catalysts http://www.mimgu.com 32 32 Dibenzo[a,h]anthracene http://www.mimgu.com/archives/48643 Mon, 13 May 2024 09:32:57 +0000 http://www.mimgu.com/archives/48643 Dibenzo[a,h]anthracene structural formula

Structural formula

Business number 0161
Molecular formula C22H14
Molecular weight 278.35
label

dibenzotriphenyl,

1,2:5,6-Dibenzanthracene,

1,2:5,6-Dibenzanthracene,

Aromatic hydrocarbons

Numbering system

CAS number:53-70-3

MDL number:MFCD00003708

EINECS number:200-181-8

RTECS number:HN2625000

BRN number:1912416

PubChem ID:None

Physical property data

1. Properties: Flake and leaf-shaped crystals are obtained from acetic acid. The crystals are monoclinic or orthorhombic. sublimation.

2. Density (g/mL, 25/4℃): 1.232

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

4. Melting point (oC): 266~267

5. Boiling point (oC, normal pressure): 524

6. Boiling point (oC, 5.2kPa): Undetermined

7. Refractive index: Undetermined

8. Flash point (oC): Undetermined

9. Specific rotation (o): [α] D18 +10.9° (C=0.4, in ethanol)

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

p>

11. Vapor pressure (kPa, 25oC): Undetermined

12. Saturated vapor pressure (kPa, 60oC): Undetermined

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

14. Critical temperature (oC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Oil and water Log value of (octanol/water) partition coefficient: Undetermined

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

18. Explosion lower limit (%, V /V): Undetermined

19. Solubility: Soluble in petroleum ether, acetone, acetic acid, benzene, toluene, xylene and oils, slightly soluble in ethanol and ether, insoluble in water.

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 97.62

2. Molar volume (cm3/mol): 225.8

3. Isotonic specific volume (90.2K ): 622.6

4. Surface tension (dyne/cm): 57.7

5. Dielectric constant (F/m): 3.36

6. Extreme Chemical rate (10-24cm3): 38.70

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 0

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: None

6. Topological molecule polar surface area 0

7. Number of heavy atoms: 22

8. Surface charge: 0

9. Complexity: 361

p>

10. Number of isotope atoms: 0

11. Number of determined atomic stereocenters: 0

12. Number of uncertain atomic stereocenters: 0

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

14. Uncertain number of stereocenters of chemical bonds: 0

15. Number of covalent bond units: 1

Properties and stability

1. Exist in mainstream smoke.

2. IARC carcinogenicity assessment: sufficient evidence.

Storage method

This product should be sealed and stored in a cool place.

Synthesis method

It is prepared using methyldinaphthyl ketone as raw material.

Purpose

For biochemical research. Carcinogens.

extended-reading:https://www.cyclohexylamine.net/cas-27253-29-8-neodecanoic-acid-zincsalt/
extended-reading:https://www.cyclohexylamine.net/dibutyltin-oxide-cas-818-08-6/
extended-reading:https://www.bdmaee.net/jeffcat-dmea-catalyst-cas107-15-3-huntsman/
extended-reading:https://www.bdmaee.net/dabco-2039-catalyst-2039-dabco-2039-catalyst/
extended-reading:http://www.mimgu.com/archives/39817
extended-reading:https://www.bdmaee.net/cas-1118-46-3/
extended-reading:http://www.mimgu.com/archives/40243
extended-reading:https://www.bdmaee.net/high-efficiency-reactive-foaming-catalyst/
extended-reading:http://www.mimgu.com/archives/1155
extended-reading:http://www.mimgu.com/archives/45523

]]>
主站蜘蛛池模板: 霍山县| 钟祥市| 台北县| 漯河市| 德惠市| 合水县| 桦南县| 建宁县| 阳信县| 呼和浩特市| 勐海县| 漳浦县| 滁州市| 朔州市| 高要市| 朔州市| 太原市| 罗源县| 辽中县| 阿坝县| 太保市| 泸水县| 理塘县| 华池县| 确山县| 郧西县| 崇文区| 吴川市| 吉安县| 通州市| 绿春县| 蓝山县| 塘沽区| 虎林市| 红原县| 山东| 堆龙德庆县| 韶山市| 凤冈县| 阳高县| 安宁市|