国产69精品久久久久毛片,羞羞的视频在线观看,www.成人在线 http://www.hbysgp.com The Leading Supplier of China Amine Catalysts Fri, 17 May 2024 06:59:07 +0000 zh-CN hourly 1 https://wordpress.org/?v=6.1.7 http://www.hbysgp.com/wp-content/uploads/2023/12/1.jpg 4-dimethoxybenzyl alcohol – Amine Catalysts http://www.hbysgp.com 32 32 3,4-dimethoxybenzyl alcohol http://www.hbysgp.com/archives/48878 Fri, 17 May 2024 06:59:07 +0000 http://www.hbysgp.com/archives/48878 3,4-dimethoxybenzyl alcohol structural formula

Structural formula

Business number 025M
Molecular formula C9H12O3
Molecular weight 168.19
label

3,4-dimethoxybenzyl alcohol,

veratryl alcohol,

Ververatrol,

3,4-Dimethoxyphenylmethyl alcohol,

(3,4-Dimethoxyphenyl)methanol

Numbering system

CAS number:93-03-8

MDL number:MFCD00004638

EINECS number:202-212-0

RTECS number:None

BRN number:639388

PubChem number:24893258

Physical property data

1. Properties: viscous oily liquid.

2. Density (g/mL, 25/4℃): 1.157

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

4. Melting point (oC): Undetermined

5. Boiling point (oC, normal pressure): 297

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

7. Refractive index: 1.5520

8. Flash point (oC): >112

9. Specific rotation (o): Undetermined

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

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. Log value of oil-water (octanol/water) partition coefficient: Undetermined

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

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

19. Solubility: Soluble in organic solvents such as ethanol and ether.

Toxicological data

None

Ecological data

Water hazard level 1 (self-assessment via list) is slightly hazardous to water.

Do not allow undiluted or large amounts of product to come into contact with groundwater, waterways, or sewage systems.

Do not discharge materials into the surrounding environment without government permission.

Molecular structure data

1. Molar refractive index: 46.06

2. Molar volume (cm3/mol): 151.2

3. Isotonic specific volume (90.2K ): 374.1

4. Surface tension (dyne/cm): 37.4

5. Polarizability (10-24cm3): 18.26

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): 0.6

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 3

5. Mutual Number of isomers:

6. Topological molecular polar surface area (TPSA): 38.7

7. Number of heavy atoms: 12

8. Surface charge : 0

9. Complexity: 127

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. The number of uncertain atomic stereocenters: 0

13. The number of determined chemical bond stereocenters: 0

14. The number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

This product should be kept sealed.

Synthesis method

None

Purpose

Used in organic synthesis as a protective group for guanosine residues in oligonucleotide synthesis.

extended-reading:http://www.hbysgp.com/archives/1157
extended-reading:https://www.bdmaee.net/low-atomization-catalyst-9727/
extended-reading:http://www.hbysgp.com/archives/44203
extended-reading:https://www.bdmaee.net/ethanedioicacid-2/
extended-reading:https://www.bdmaee.net/di-n-butyl-tin-diisooctoate-cas2781-10-4-fascat4208-catalyst/
extended-reading:https://www.bdmaee.net/wp-content/uploads/2022/08/40.jpg
extended-reading:https://www.bdmaee.net/dibutyl-tin-oxide-food-grade/
extended-reading:http://www.hbysgp.com/archives/44236
extended-reading:https://www.bdmaee.net/fentacat-26-catalyst-cas111542-55-9-solvay/
extended-reading:https://www.bdmaee.net/rc-catalyst-104-cas112-05-6-rhine-chemistry/

]]>
主站蜘蛛池模板: 辛集市| 哈巴河县| 双峰县| 山西省| 黔南| 志丹县| 白水县| 普兰县| 家居| 尚义县| 凌云县| 麻江县| 土默特右旗| 东至县| 上杭县| 辽阳县| 甘德县| 镇原县| 莱西市| 宁波市| 邵东县| 奈曼旗| 百色市| 阳西县| 临西县| 囊谦县| 西宁市| 邯郸县| 霍州市| 汶上县| 尤溪县| 灵川县| 鲜城| 奉节县| 乌拉特中旗| 潮安县| 怀化市| 东乌珠穆沁旗| 莲花县| 潮安县| 抚顺县|