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Eriochrome black T

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Synonyms:

C.I. 14645; 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid sodium salt; Mordant Black 11

CAS No.:

1787-61-7

数量

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0

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1

keyword:

Eriochrome black T

Description

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Chemical Name	Eriochrome black T
Synonyms	C.I. 14645; 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid sodium salt; Mordant Black 11
CAS No.	1787-61-7
Molecular formula	C20H12N3NaO7S
EINECS No.	217-250-3
Molecular weight	461.38
Molecular Structure
Details	Appearance: brown black powder with metal luster Water Soluble Test: pass Solublity in Ethanol Passes Test: pass Sensitivity Test: pass Sulfated ash(as SO4): 20% max.
Main Application	Used as complexometric titration indicator.