產品詳細說明:
ACS reagent
說明:酸堿指示劑,pH變色范圍3.1(紅)~4.4(黃),測定多數礦酸、強堿和水的堿度。 別名:4-[4-(Dimethylamino)phenylazo]benzenesulfonic acidsodium salt;Acid Orange 52;Helianthin;Orange III
分子式:C14H14N3NaO3S 分子量:327.33 CAS#:547-58-0
外觀:橙黃色粉末或鱗片狀結晶 特性:組成:染料含量, 85% 變**間:3.2 - 4.4, 紅-黃 λmax :505 nm 溶解性:溶于水,不溶于醇 R:25 S:45
儲存條件:室溫干燥保存
TEST
SPECIFICATION
APPEARANCE
ORANGE POWDER
INFRARED SPECTRUM
CONFORMS TO STRUCTURE.
CLARITY OF SOLUTION
PASSES TEST
VISUAL TRANSITION
PH 3.0 PINK OR RED
INTERVAL
PH 3.2 PINKISH-ORANGE
PH 4.4 YELLOW