欧美精品日韩精品,精品欧美国产,在线中文字幕播放,欧美日本一区二区高清播放视频

 

2-Methyl-2-propanethiol

2024-06-07by admin

2-Methyl-2-propanethiol structural formula

Structural formula

Business number 01JZ
Molecular formula C4H10S
Molecular weight 90.20
label

tert-butyl mercaptan,

tert-butyl mercaptan,

tert-butyl mercaptan

Numbering system

CAS number:75-66-1

MDL number:MFCD00004857

EINECS number:200-890-2

RTECS number:TZ7660000

BRN number:505947

PubChem number:24852052

Physical property data

1. Properties: colorless liquid with unpleasant odor. [1]

2. Melting point (℃): -0.5[2]

3. Boiling point (℃): 62~65[3]

4. Relative density (water=1): 0.80[4]

5. Relative vapor density (air=1): 3.1[5]

6. Saturated vapor pressure (kPa): 19.0 (20℃)[6]

7. Critical pressure (MPa): 4.06[7]

8. Octanol/water partition coefficient: 2.14[8]

9. Flash point (℃): -26 (CC) [9]

10. Solubility: slightly soluble in water , miscible in ethanol, ether, soluble in heptane, etc. [10]

Toxicological data

1. Acute toxicity[11]

LD50: 4729mg/kg (rat oral)

LC50 : 22200ppm (rat inhalation, 4h); 16500ppm (mice inhalation, 4h)

2. Irritation [12] Rabbit eye 84mg, causing irritation.

Ecological data

1. Ecotoxicity No data available

2. Biodegradability No data available

3 .Non-biodegradability No information available

4. Other harmful effects[13] This substance is harmful to the environment and should be treated with special Pay attention to water pollution.

Molecular structure data

1. Molar refractive index: 28.44

2. Molar volume (cm3/mol): 108.6

3. Isotonic specific volume (90.2K ): 238.2

4. Surface tension (dyne/cm): 23.1

5. Polarizability (10-24cm3):11.27

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 1.5

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 1

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 1

7. Number of heavy atoms: 5

8. Surface charge: 0

9. Complexity: 25.1

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 chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

1. Stability[14] Stable

2. Incompatible substances[15] Strong oxidants, acids, acid anhydrides, acid chlorides, alkali metals

3. Conditions to avoid contact[16] Heating

4. Polymerization hazard[17] No polymerization

5. Decomposition products[18] Hydrogen sulfide

Storage method

Storage Precautions[19] Store in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 29°C. The packaging must be sealed and must not come into contact with air. They should be stored separately from oxidants, acids, alkali metals, etc. and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials.

Synthesis method

Obtained from the reaction of sulfo-tert-butane and zinc sulfide in alcohol.

Purpose

Used as an organic synthesis intermediate to prepare synthetic rubber. [20]

extended-reading:https://www.bdmaee.net/wp-content/uploads/2022/08/14.jpg
extended-reading:https://www.bdmaee.net/pc-cat-td-25-catalyst/
extended-reading:https://www.cyclohexylamine.net/coordinated-thiol-methyltin-methyl-tin-mercaptide/
extended-reading:https://www.bdmaee.net/niax-ef-700-tertiary-amine-catalyst-momentive/
extended-reading:https://www.bdmaee.net/dibutyltin-dibenzoate-cas1067-33-0-dibutyltin-dibenzoate-solution/
extended-reading:https://www.bdmaee.net/retardation-catalyst-c-225/
extended-reading:https://www.bdmaee.net/wp-content/uploads/2022/08/31-6.jpg
extended-reading:https://www.bdmaee.net/dioctyltin-dichloride-cas-3542-36-7-dioctyl-tin-dichloride/
extended-reading:https://www.bdmaee.net/wp-content/uploads/2022/08/33-4.jpg
extended-reading:http://www.hbysgp.com/archives/44123

admin

主站蜘蛛池模板: 中宁县| 河间市| 射阳县| 太谷县| 峡江县| 白水县| 平邑县| 永靖县| 高邮市| 屯留县| 奇台县| 峡江县| 姜堰市| 宣汉县| 城口县| 潞西市| 菏泽市| 鄂尔多斯市| 尼木县| 彭水| 五峰| 阿克陶县| 将乐县| 伊川县| 宜章县| 苍南县| 遂宁市| 特克斯县| 宝清县| 黄浦区| 博野县| 屯门区| 双鸭山市| 独山县| 黄骅市| 孟津县| 建湖县| 栾川县| 栖霞市| 高尔夫| 和顺县|