应用
It serves as a component of certain photographic developers and its solution is used in photographic fixing, in the textile industry for dyeing and cotton printing. It is utilized to precipitate gold from solution in aqua regia.

备注
Air sensitive. Incompatible with oxidizing agents, acids, sodium nitrate and sodium nitrite.

基本信息

MDL
MFCD00167605

EINECS
240-795-3

分子式
K₂S₂O₅

分子量
222.32

熔点
190° dec.

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

形态
Powder

溶解性
Soluble in water. Insoluble in ethanol.

Merck
14,7645

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
31-41
Contact with acids liberates toxic gas.Risk of serious damage to eyes.

安全等级
26-39-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.This material and its container must be disposed of as hazardous waste

TSCA
是