应用
Used in the laboratory as an essential ingredient of the microcosmic salt bead test for identification of metallic radicals. Also used as intermediates. Finds application in chemical research.

备注
Keep in dry, dark and cool condition.

基本信息

MDL
MFCD00066970

分子式
NaNH₄HPO₄?4H₂O

分子量
209.07 (137.02anhy)

熔点
79° dec.

密度
1.544

灵敏度
Ambient temperatures.

形态
Crystalline

溶解性
Soluble in water. Insoluble in alcohol

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
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

TSCA
是