858390
铬黑 ®T
ACS reagent (indicator grade)
别名:
媒介黑 11
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关于此项目
经验公式（希尔记法）:
C20H12N3NaO7S
化学文摘社编号:
分子量:
461.38
EC Number:
217-250-3
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Colour Index Number:
14645
Beilstein/REAXYS Number:
4121162
grade
ACS reagent (indicator grade)
Quality Level
form
powder
clarity of soln
passes test
technique(s)
titration: suitable
λmax
503 nm
suitability
passes test for complexometric indicator
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
[Na+].Oc1cc(c2cc(ccc2c1\N=N\c3ccc4ccccc4c3O)[N+]([O-])=O)S([O-])(=O)=O
InChI
1S/C20H13N3O7S.Na/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25;/h1-10,24-25H,(H,28,29,30);/q;+1/p-1/b22-21+;
InChI key
AMMWFYKTZVIRFN-QUABFQRHSA-M
General description
Eriochrome® Black T可用作络合滴定的指示剂。它起酸碱指示剂的作用。Eriochrome® Black T能与Ca2+和Mg2+形成复合物，但它与Mg2+ 离子的结合能力更强。
铬® 黑T是羟基-偶氮染料，通常以一钠盐的形式提供。 该染料以泛绿色金属光泽的深紫色粉末形式存在。铬黑T可溶于水和乙醇，但不溶于常见有机溶剂。主要作为指示剂，用于乙二胺四乙酸（EDTA）法测定水硬度。
Application
通过络合滴定法，Eriochrome® Black T已被用于确定Ca2+ 的浓度。
Legal Information
Eriochrome is a registered trademark of Huntsman Petrochemical, LLC
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signalword
Warning
hcodes
Hazard Classifications
Aquatic Chronic 2 - Eye Irrit. 2
存储类别
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
A Text Book Of Chemistry Practicals (2 Vols) (1995)
Biologizing titanium alloy implant material with morphogenetically active polyphosphate
Muller WEG, et al.
Royal Society of Chemistry Advances, 5(92), 75465-75473 (2015)
Laboratory Manual for Principles of General Chemistry (2010)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 858390-500G | 04061833032381 |
| 858390-1KG | 04061826759806 |
| 858390-100G | 04061835570829 |