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2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide ( (CAS No.3670-93-7)

2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide ( 3670-93-7
中文别名
季戊四醇二亚硫酸酯;季戊四醇环状亚硫酸酯;3,9-二氧代-2,4,8,10-四氧杂-3,9-二硫杂螺[5.5]十一烷
英文名称
2,4,8,10-Tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide
分子式
C5H8O6S2
所属类别
中间体
物化性质
白色结晶粉末,无臭或略带刺激性气味。熔点约130 °C(分解)。不溶于水,遇水缓慢分解;溶于乙醇、丙酮、氯仿等有机溶剂。相对密度约1.5 g/cm³。受热分解放出二氧化硫,热稳定性一般。
技术参数
含量(GC)≥98.0%
熔点
128~130 °C 干燥失重≤0.5% 灼烧残渣≤0.1%
外观
白色至类白色结晶粉末
English description(英文原文,共 1192 字符)
Product Name:2,4,8,10-Tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide

English Name:2,4,8,10-Tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide

CAS No.:3670-93-7

Aliases:Pentaerythritol disulfite, Pentaerythritol cyclic sulfite, 3,9-Dioxo-2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane

Molecular Formula:C5H8O6S2

Physical Properties:White crystalline powder, odorless or with a slight pungent smell. Melting point approximately 130 °C (decomposes). Insoluble in water and slowly hydrolyzes in water; soluble in organic solvents such as ethanol, acetone, and chloroform. Relative density approximately 1.5 g/cm³. Heating can cause decomposition with evolution of sulfur dioxide.

Uses:Primarily used as an organic synthesis intermediate for preparing sulfur-containing polymers, flame retardants, and fine chemicals; also applied as an electrolyte additive in lithium-ion batteries to improve film-forming performance. Further used as a monomer for synthesizing pentaerythritol derivatives and functional materials.

Technical Specifications:

Assay (GC) ≥98.0%

Melting point: 128~130 °C

Loss on drying ≤0.5%

Residue on ignition ≤0.1%

Appearance: white to off-white crystalline powder
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常见问题

2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide (的 CAS 号是多少?
2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide (的 CAS 号是 3670-93-7。
2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide (的分子式和分子量是什么?
2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide (的分子式为 C5H8O6S2。
2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide (的英文名称是什么?
2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide (的英文名称为 2,4,8,10-Tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide。
2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide (还有哪些别名?
2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide (又称 季戊四醇二亚硫酸酯、季戊四醇环状亚硫酸酯、3,9-二氧代-2,4,8,10-四氧杂-3,9-二硫杂螺[5.5]十一烷。
2,4,8,10-tetraoxa-3,9-dithiaspiro[5.5]undecane 3,9-dioxide (有哪些供应商和生产厂家?
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