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溴甲酚紫(Bromocresol Purple):115-40-2

溴甲酚紫
溴甲酚紅;二溴邻甲酚磺酜酞;溴甲酚紫指示液(用于微生物限度检查)(药典);溴甲酚紫指示液(药典);溴甲酚紫, 指示剂, ACS级试剂;溴甲酚紫,游离酸;溴甲酚紫*超级纯*;溴甲酚紫,IND
Bromocresol Purple
4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-methylphenol)s,s-dioxide;4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-o-cresol)s,s-dioxide;4,4’-(3H-2,1-Benzoxathiol-3-ylidene)bis[2-bromo-b-methylphend]S,S-dioxide;Bromocresolpurpleindicatorsolution(formicrobiallimitcheck);3',3''-DIBROMO-O-CRESOLSULFONPHTHALEIN;BromocresolPurple,indicatorgrade,pure;Phenol,4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis2-bromo-6-methyl-;BCP
115-40-2
204-087-8
C21H16Br2O5S
540.22
1.6509 (estimate)
240 °C (dec.) (lit.)
590.2±50.0 °C(Predicted)
36 °C
6.21, 6.3, 6.4(at 25℃)
pH : 5.2~6.8
practically insoluble
ethanol: soluble1mg/mL
5.2(yellow)-6.8(purple)
Stable. Incompatible with strong oxidizing agents.
Purplish-brown Solid
Xi,Xn
36/37/38-10-20/21/22
UN 1993 3/PG 3
26-36-37/39-16
29349990
邻甲苯胺;邻甲酚;亞乙基璜酸酐
Store at +5°C to +30°C.

略带浅黄玫瑰色结晶粉末。不溶于水,溶于乙醇呈黄色,溶于稀氢氧化钠和稀碳酸钠溶液呈紫红色,熔点241-242℃。

溴甲酚紫的主要用途酸碱指示剂,非水溶液滴定指示剂。

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