应用
Sulfur trioxide-pyridine complex is used for sulfations of alcohols, sulfonations, deoxygenations and other reductions, oxidations with dimethyl sulfoxide. It is also used as a source of sulfur trioxide especially in the preparation of sulfate esters. Further, it is used as an activating electrophile in a Parikh-Doering oxidation. In addition to this, it is also used in the preparation and anticoagulation test of sulfated silk fibroin.

备注
Moisture sensitive. Incompatible with strong oxidizing agents.

基本信息

MDL
MFCD00012437

EINECS
247-683-3

分子式
C₅H₅NO₃S

分子量
159.16

熔点
ca 155-165°

灵敏度
Moisture Sensitive. Store under Nitrogen. Ambient temperatures.

形态
Powder

溶解性
Soluble in polar organic solvents.

Beilstein
3704116

GHS危害和防范说明

GHS符号

Hazard Statements
H302-H314-H318
Harmful if swallowed.Causes severe skin burns and eye damage.Causes serious eye damage.

Precautionary Statements
P260h-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险等级
8

包装组
II

危险类别
22-34
Harmful if swallowed.Causes burns.

安全等级
20-26-36/37/39-45-60
When using do not eat or drink.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste

欧盟危险品标志

TSCA
是