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 |