欧美片第1页,久久激情视频久久,精品伦精品一区二区三区视频 http://www.mimgu.com The Leading Supplier of China Amine Catalysts Fri, 07 Jun 2024 08:47:42 +0000 zh-CN hourly 1 https://wordpress.org/?v=6.1.7 http://www.mimgu.com/wp-content/uploads/2023/12/1.jpg 2-Methyl-2-propanethiol – Amine Catalysts http://www.mimgu.com 32 32 2-Methyl-2-propanethiol http://www.mimgu.com/archives/49615 Fri, 07 Jun 2024 08:47:42 +0000 http://www.mimgu.com/archives/49615 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.mimgu.com/archives/44123

]]>
主站蜘蛛池模板: 郯城县| 龙泉市| 阳信县| 始兴县| 垫江县| 张掖市| 临海市| 蛟河市| 南汇区| 屏山县| 达州市| 晴隆县| 灵丘县| 麻栗坡县| 平邑县| 高阳县| 清徐县| 白朗县| 龙门县| 东明县| 米泉市| 四会市| 婺源县| 萨嘎县| 加查县| 镇宁| 原阳县| 灵台县| 伊宁市| 彝良县| 东明县| 烟台市| 柳河县| 平南县| 句容市| 景德镇市| 武夷山市| 峡江县| 若尔盖县| 荔浦县| 洛川县|