亚洲成人三区,一级毛片久久久,国产精品密蕾丝视频下载,欧美成人国产va精品日本一级

 

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://m.mimgu.com/archives/44123

admin

主站蜘蛛池模板: 陵川县| 武清区| 三台县| 万源市| 色达县| 随州市| 庄河市| 永宁县| 吴川市| 来安县| 桐城市| 临朐县| 宁陕县| 东平县| 玉林市| 嘉定区| 华池县| 徐闻县| 山丹县| 余江县| 北流市| 潜山县| 海宁市| 镇雄县| 鄂尔多斯市| 炎陵县| 平利县| 乌拉特后旗| 东乡县| 丽江市| 公主岭市| 连南| 元氏县| 秦安县| 灵璧县| 白河县| 沛县| 阿拉尔市| 石城县| 厦门市| 高清|