十二硫醇

十二硫醇用途

【用途一】
用作高分子化合物的相对分子质量调节剂
【用途二】
用于橡胶、塑料及制药工业
【用途三】
用作合成橡胶、合成纤维、合成树脂的聚合调节剂；还用于生产聚氯乙烯稳定剂、药物、杀虫剂、杀菌剂、去污剂等。
【用途四】
用作合成橡胶、合成纤维、合成树脂的聚合调节剂、还用于生产聚氯乙烯稳定剂、药物、杀虫剂、杀菌剂、去污剂等。

十二硫醇名称

[ CAS 号 ]:
112-55-0

[ 中文名 ]:
十二硫醇

[ 英文名 ]:
1-Dodecanethiol

[中文别名 ]:

[英文别名 ]:

n-Dodecyl mercaptan
pennfloatm
n-Dodecylthiol
Dodecylthiol
LAURYL MERCAPTAN
Mercaptan C12
Dodecane-1-thiol
n-dodecyl-mercaptan
dodecylmercaptan
Pennfloat S

十二硫醇物理化学性质

[ 密度 ]:
0.845

[ 沸点 ]:
266-283 ºC

[ 熔点 ]:
-7 °C

[ 分子式 ]:
C₁₂H₂₆S

[ 分子量 ]:
202.400

[ 闪点 ]:
87 ºC

[ 精确质量 ]:
202.175522

[ PSA ]:
38.80000

[ LogP ]:
6.56

[ 外观性状 ]:
透明液体

[ 蒸汽密度 ]:
7 (vs air)

[ 蒸汽压 ]:
0.0±0.5 mmHg at 25°C

[ 折射率 ]:
1.457

[ 储存条件 ]:
库房通风低温干燥,与氧化剂、酸类、食品添加剂分开存放

[ 水溶解性 ]:
IMMISCIBLE

十二硫醇MSDS

十二硫醇毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: JR3155000

CHEMICAL NAME :: 1-Dodecanethiol

CAS REGISTRY NUMBER :: 112-55-0

BEILSTEIN REFERENCE NO. :: 0969337

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C12-H26-S

MOLECULAR WEIGHT :: 202.44

WISWESSER LINE NOTATION :: SH12

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TEST SYSTEM :: Rodent - rat

REFERENCE :: BZARAZ Biologicheskii Zhurnal Armenii. Biological Journal of Armenia. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.19- 1966- Volume(issue)/page/year: 27(6),102,1974 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO 1-DODECANETHIOL-air:CL 0.5 ppm/15M REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83562 No. of Facilities: 137 (estimated) No. of Industries: 5 No. of Occupations: 13 No. of Employees: 2131 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83562 No. of Facilities: 3452 (estimated) No. of Industries: 47 No. of Occupations: 60 No. of Employees: 92230 (estimated) No. of Female Employees: 17777 (estimated)

十二硫醇安全信息

[ 符号 ]:

GHS05, GHS09

[ 信号词 ]:
Danger

[ 危害声明 ]:
H314-H410

[ 警示性声明 ]:
P273-P280-P305 + P351 + P338-P310-P501

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S23-S26-S36/37/39-S45-S37/39-S63-S62-S61-S36/37-S33-S29-S16-S9

[ 危险品运输编码 ]:
UN 1208 3/PG 2

[ WGK德国 ]:
3

[ RTECS号 ]:
JR3155000

[ 包装等级 ]:
II; III

[ 危险类别 ]:
8.0

[ 海关编码 ]:
2930909090

十二硫醇合成路线

十二硫醇上下游产品

十二硫醇上游产品

十二硫醇下游产品

十二硫醇制备

1.可由十二醇蒸气和硫化氢在催化剂存在下作用而制得。

2.将溴代十二烷，硫脲和95%的乙醇加入搅拌反应釜中，搅拌下加热至回流，反应3h，蒸出乙醇回收后循环使用。然后加入10%的氢氧化钠溶液，加热至回流，搅拌反应2h。冷却后静置分层，分去油层即为粗硫醇。水层中加入盐酸酸化后再加入苯，搅拌一段时间后，静置。将苯层与粗硫醇合并、水洗，再用无水硫酸钠干燥，然后送入蒸馏装置，蒸出苯后，进行减压蒸馏，收集5.2kPa，165～169℃的馏分即为成品。

3.将溴代十二烷、硫脲和95%的乙醇加热至回流反应，然后加入氢氧化钠溶液，加热。反应完毕后，冷却静置分层，油层即为粗硫醇。粗品经水洗、干燥、蒸馏、减压蒸馏，即为成品。

十二硫醇海关

[ 海关编码 ]: 2930909090

[ 中文概述 ]:
2930909090. 其他有机硫化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

十二硫醇文献

Genetic acquisition of NDM gene offers sustainability among clinical isolates of Pseudomonas aeruginosa in clinical settings.

PLoS ONE 10(1) , e0116611, (2015)

New Delhi metallo β-lactamases are one of the most significant emerging resistance determinants towards carbapenem drugs. Their persistence and adaptability often depends on their genetic environment ...

Exchange reactions between alkanethiolates and alkaneselenols on Au{111}.

J. Am. Chem. Soc. 136(22) , 8110-21, (2014)

When alkanethiolate self-assembled monolayers on Au{111} are exchanged with alkaneselenols from solution, replacement of thiolates by selenols is rapid and complete, and is well described by perimeter...

Surface modification-induced phase transformation of hexagonal close-packed gold square sheets.

Nat. Commun. 6 , 6571, (2015)

Conventionally, the phase transformation of inorganic nanocrystals is realized under extreme conditions (for example, high temperature or high pressure). Here we report the complete phase transformati...

更多文献