211761
m-Cresol Purple sodium salt
Dye content 90 %
别名:
m-Cresolsulfonphthalein sodium salt
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关于此项目
经验公式（希尔记法）:
C21H17NaO5S
化学文摘社编号:
分子量:
404.41
NACRES:
NA.47
PubChem Substance ID:
UNSPSC Code:
12171500
EC Number:
263-656-9
MDL number:
InChI key
BYQJYOOKENJSNK-GOSREXKOSA-M
InChI
1S/C21H18O5S.Na/c1-13-11-15(22)7-9-17(13)21(18-10-8-16(23)12-14(18)2)19-5-3-4-6-20(19)27(24,25)26;/h3-12,22H,1-2H3,(H,24,25,26);/q;+1/p-1/b21-18+;
SMILES string
[Na+].Cc1cc(O)ccc1\C(=C2\C=CC(=O)C=C2C)c3ccccc3S([O-])(=O)=O
form
powder
composition
Dye content, 90%
color
black
λmax
579 nm
ε (extinction coefficient)
≥15000 at 433-439 nm in H2O at 0.008 g/L
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
Quality Level
General description
m-cresol purple sodium salt (MCP) is a colorimetric pH indicator dye. The dye is blue in anionic form and yellow in protonated form.
Application
m-Cresol Purple sodium salt has been used to measure pH of seawater using a spectrophotometer.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Spectrophotometric high-precision seawater pH determination
for use in underway measuring systems
for use in underway measuring systems
A?mann S
Ocean Science, 7, 597-607 (2011)
Peter J Edmunds et al.
The Journal of experimental biology, 223(Pt 8) (2020-03-18)
Experiments with coral fragments (i.e. nubbins) have shown that net calcification is depressed by elevated PCO2 Evaluating the implications of this finding requires scaling of results from nubbins to colonies, yet the experiments to codify this process have not been
M.-I. Baraton
Sensors for Environment, Health and Security (2008)
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