3,3'-硫代二丙酸双十八酯

3,3'-硫代二丙酸双十八酯用途

【用途一】
用作聚丙烯、聚乙烯、合成橡胶及油脂等的辅助抗氧剂
【用途二】
用作橡胶、肥皂、油脂、润滑油、润滑脂和聚烯烃等的抗氧剂。该品作为辅助抗氧剂与酚类防老剂并用，其抗氧老化产力优于硫代二丙酸二月桂酸。该品不着色、不污染，故适用于白色和艳色制品。

3,3'-硫代二丙酸双十八酯名称

[ CAS 号 ]:
693-36-7

[ 中文名 ]:
3,3'-硫代二丙酸双十八酯

[ 英文名 ]:
dioctadecyl 3,3'-thiodipropanoate

[中文别名 ]:

[英文别名 ]:

EINECS 211-750-5
Dioctadecyl 3,3'-sulfanediyldipropanoate
dioctadecyl 3,3'-thiodipropanoate
MFCD00026684
Propanoic acid, 3,3'-thiobis-, dioctadecyl ester
Distearyl thiodipropionate

3,3'-硫代二丙酸双十八酯物理化学性质

[ 密度 ]:
0.9±0.1 g/cm3

[ 沸点 ]:
704.8±45.0 °C at 760 mmHg

[ 熔点 ]:
65-67°C

[ 分子式 ]:
C₄₂H₈₂O₄S

[ 分子量 ]:
683.163

[ 闪点 ]:
323.7±16.7 °C

[ 精确质量 ]:
682.593384

[ PSA ]:
77.90000

[ LogP ]:
19.26

[ 外观性状 ]:
白色结晶粉末

[ 蒸汽压 ]:
0.0±2.2 mmHg at 25°C

[ 折射率 ]:
1.473

[ 储存条件 ]:
室温，干燥，密封

[ 水溶解性 ]:
水溶性：不溶；易溶于：苯；可溶于：甲苯

3,3'-硫代二丙酸双十八酯MSDS

详细MSDS(安全技术说明书)

3,3'-硫代二丙酸双十八酯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UF8010000

CHEMICAL NAME :: Propionic acid, 3,3'-thiodi-, dioctadecyl ester

CAS REGISTRY NUMBER :: 693-36-7

LAST UPDATED :: 199701

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C42-H82-O4-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AFREAW Advances in Food Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1-32, 1948-88. Volume(issue)/page/year: 3,197,1951

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AFREAW Advances in Food Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1-32, 1948-88. Volume(issue)/page/year: 3,197,1951

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AFREAW Advances in Food Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1-32, 1948-88. Volume(issue)/page/year: 3,197,1951 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7422 No. of Facilities: 515 (estimated) No. of Industries: 11 No. of Occupations: 20 No. of Employees: 20401 (estimated) No. of Female Employees: 11757 (estimated)

3,3'-硫代二丙酸双十八酯安全信息

[ 危害码 (欧洲) ]:
Xi

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36/37/39

[ 危险品运输编码 ]:
NONH for all modes of transport

[ RTECS号 ]:
UF8010000

[ 海关编码 ]:
2930909090

3,3'-硫代二丙酸双十八酯合成路线

详细合成路线

3,3'-硫代二丙酸双十八酯上下游产品

3,3'-硫代二丙酸双十八酯上游产品

3,3'-硫代二丙酸双十八酯下游产品

3,3'-硫代二丙酸双十八酯制备

1、硫代二丙酸的制备由丙烯腈和硫化钠水溶液在20℃±2℃下进行缩合反应。反应产物经水洗，分离、再用55%的硫酸水解，得到硫代二丙酸。

2、抗氧剂DSTP的合成将已制得的硫代二丙酸经过滤后溶解在水中，在浓硫酸存在下，与十八烷醇进行酯化反应，制得粗品抗氧剂DSTP。酯化反应在减压下进行。反应产物经丙酮溶解、碳酸钠中和、压滤、结晶、过滤、干燥而得成品。

3,3'-硫代二丙酸双十八酯海关

[ 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%