应用
Sodium hydrogen phosphate is used in food and water treatment in conjunction with trisodium phosphate. It is used as an emulsifier and buffer in foods and pharmaceuticals, anti-caking additive in powdered products, dietary supplement, scale inhibitor, reagent and buffer in analytical chemistry. It finds application in detergents, cleaning agents, textile, leather auxiliary, fertilizers and galvanoplastics. Further, it is used as a saline laxative to treat constipation. It inhibits the calcium scale formation in water treatment plants.
Grade Specifications
Maximum level of impurities: Insoluble matter 0.01%, Loss on drying at 105� 0.2%, pH of a 5% solution 8.7-9.3 at 25�, Cl 0.002%, SO4 0.005%, Heavy Metals (as Pb) 0.001%, Fe 0.002%
备注
Suitable for buffer solutions.Hygroscopic. Incompatible with strong acids, strong oxidizing agents and strong bases.
基本信息
MDL
MFCD00003496
EINECS
231-448-7
分子式
HNa2O4P
分子量
141.98
灵敏度
Hygroscopic. Ambient temperatures.
形态
Granular
溶解性
Soluble in water. Insoluble in ethanol, methanol and n-octanol.
Merck
14,8659
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
WC4500000
TSCA
是