Phenolphthalein

77-09-8
Phenolphthalein

产品介绍９�/div>

产品说明

分析说明

Identity (UV/VIS-Spectrum): passes test
Appearance: White to yellowish white powder
Clarity of the alkoholic solution (10?g/l ethanol): passes test
Absorption maximum ��_max.(buffer pH 9.8): 551 - 554 nm
Spec. Absorptivity A 1%/1cm (��_max; 0.01?g/l; buffer pH?9.8; calculated on dried substance): 700 - 750
Transition range: pH 8.2 - pH 9.8 almost colorless - red-violet
Transition range (according to ACS): passes test
Transition interval (according Reag. Ph Eur): passes test
Loss on drying (105?��C): �� 1 %

基本信息

经验(实验)分子弎�/td>	C20H14O4
分子野�/td>	318.32
MDL编号	MFCD00005913
EC索引叶�/td>	201-004-7

产品性质

质量水平	200
等级	ACS reagent
agency	reag. Ph. Eur.
蒸汽厊�/td>	<0.00001 Pa ( 50 �?
缺失	��1% loss on drying, 105ℂ�/td>
visual transition interval	8.2-9.8, colorless to red-violet
mp	263.7 ℂ�/td>
密度	1.296 g/cm3at 20 ℂ�/td>
堆积密度	350?450 kg/m3
储存温度	2-30ℂ�/td>
InChI	1S/C20H14O4/c21-15-9-5-13(6-10-15)20(14-7-11-16(22)12-8-14)18-4-2-1-3-17(18)19(23)24-20/h1-12,21-22H
InChI key	KJFMBFZCATUALV-UHFFFAOYSA-N

安全信息

象形国�/td>
警示用语９�/td>	Danger
危险声明	H315 - H341 - H350 - H361f
预防措施声明	P202 - P264 - P280 - P302 + P352 - P308 + P313 - P332 + P313
危险分类	Carc. 1B - Muta. 2 - Repr. 2 - Skin Irrit. 2
储存分类代码	6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable