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:
form
powder
Quality Segment
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
SMILES string
[Na+].Cc1cc(O)ccc1\C(=C2\C=CC(=O)C=C2C)c3ccccc3S([O-])(=O)=O
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+;
InChI key
BYQJYOOKENJSNK-GOSREXKOSA-M
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)