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產品目錄

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有機中間體

Phenolphthalein Powder supplier CAS 77-09-8 from China

型號︰

77-09-8

品牌︰

SHUNXING

原產地︰

中國

最少訂量︰

1 件

付款方式︰

TT/LC/DP

共有 82 相關信息

產品描述

TEST ITEM:	SPECIFICATION:	RESULTS:
Characteristics:	A white or almost white powder, practically insoluble in water, soluble in alcohol.	A white powder, practically insoluble in water, soluble in alcohol.
Melting Point	It melts at about 260°C-262°C	261°C ~262°C
Identification	A:Positive B:Positive	A:Positive B:Positive
Appearance of solution	The solution is clear and not more intensely coloured than reference solution Y7	Complies
Related substances	Less than 0.01%	<0.01%
Heavy metals	Not more than0.001%	<0.0009%
Acidity or alkalinity	Complies	Complies
Chlorides	Not more than 0.01%	<0.01%
Sulphates	Not more than 0.02%	<0.02%
Loss on drying	Not more than 0.5%	0.12%
Sulphated ash	Not more than 0.1%	0.01%
Assay	98.0%-101.0%(C20H14O4)	99.6%
Storage condition:	Store in well closed drums, in cool and dry storage area.

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