应用
Water softener, metal cleaner, soap and synthetic detergent builder, general sequestering agent, in electrodeposition of metals.Sodium pyrophosphate is used in water softener, detergent, emulsifying agent, metal cleaner and nutritional supplement. It acts as a buffering agent, thickening agent and dispersing agent. It also acts as a tartar control agent in toothpaste and dental floss. In addition, it is used as a chelating agent in antimicrobial studies. It is also used as a food additive in common foods such as chicken nuggets, crab meat and canned tuna.

备注
Hygroscopic. Incompatible withstrong oxidizing agents and strong acids.

基本信息

MDL
MFCD00003513

EINECS
231-767-1

分子式
Na₄O₇P₂

分子量
265.90

熔点
988°

密度
2.534

灵敏度
Hygroscopic. Store under Nitrogen. Ambient temperatures.

形态
Granular

溶解性
Soluble in water, with slow hydrolysis to sodium orthophosphateSoluble in water. Insoluble in ethyl alcohol.

Merck
14,9240

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
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.This material and its container must be disposed of as hazardous waste

RTECS
UX7350000

TSCA
是