425
(CH3O)2SO2
CAS REGISTRY77-78-1

分析试剂 / 77-78-1

硫酸二甲酯

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CAS 编号
77-78-1
分子式
(CH3O)2SO2
品牌
阿凡达化学
目录编号
77-78-1
参考起价¥0

AVAILABLE SPECIFICATIONS

可询规格

共 1 项
CAS / 规格编号规格与等级包装单位参考价格操作
77-78-177-78-1硫酸二甲酯a:1:{s:5:"idata";N;}—¥0

PRODUCT INFORMATION

产品信息

 性质
vapor density 4.3 (vs air)
vapor pressure 0.7 mmHg ( 25 °C)
grade puriss. p.a.
assay ≥99.0% (GC)
autoignition temp. 923 °F
total impurities ≤0.4% free acid (as H2SO4)
ign. residue  ≤0.02%
refractive index n20/D 1.386(lit.)
  n20/D 1.387
bp 188 °C(lit.)
mp −32 °C(lit.)
solubility ethanol: 0.26 g/mL, clear, colorless
  diethyl ether: 1.3 g/5mL, clear, colorless
density 1.333 g/mL at 25 °C(lit.)
cation traces Ca: ≤5 mg/kg
  Cd: ≤1 mg/kg
  Co: ≤1 mg/kg
  Cr: ≤1 mg/kg
  Cu: ≤1 mg/kg
  Fe: ≤1 mg/kg
  K: ≤20 mg/kg
  Mg: ≤1 mg/kg
  Mn: ≤1 mg/kg
  Na: ≤20 mg/kg
  Ni: ≤1 mg/kg
  Pb: ≤1 mg/kg
  Zn: ≤1 mg/kg

 

安全性
Personal Protective Equipment Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Hazard Codes T+
Risk Statements 45-25-26-34-43-68
Safety Statements 53-45
RIDADR UN1595 6.1/PG 1
WGK Germany 2
RTECS WS8225000
Flash Point(F) 181.4 °F
Flash Point(C) 83 °C