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Merck
CN

HX0847

Hydroxynaphthol Blue

Synonym(s):

Hydroxynaphthol Blue, calcium

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About This Item

Empirical Formula (Hill Notation):
C20H11N2Na3O11S3
CAS Number:
Molecular Weight:
620.47
UNSPSC Code:
12352107
EC Index Number:
264-197-7
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InChI

1S/C20H14N2O11S3.3Na/c23-15-9-16(35(28,29)30)13-3-1-2-4-14(13)18(15)21-22-19-12-6-5-11(34(25,26)27)7-10(12)8-17(20(19)24)36(31,32)33;;;/h1-9,22,24H,(H,25,26,27)(H,28,29,30)(H,31,32,33);;;/q;3*+1/p-3/b21-18-;;;

InChI key

JQECMNGWLIFQLL-QRQZZYIYSA-K

form

powder

pH

2-3 (20 °C, 10 g/L in H2O)

solubility

340 g/L

shipped in

ambient

storage temp.

10-30°C

Analysis Note

FormPowderLoss on drying (105°C)5% maxSuitability as metal indicatorTo pass test

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

新产品
This item has

Certificates of Analysis (COA)

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