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1.14275

Ponceau S (C.I. 27195)

for electrophoresis

Synonym(s):

Ponceau S (C.I. 27195)

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About This Item

Empirical Formula (Hill Notation):
C22H12N4Na4O13S4
CAS Number:
6226-79-5
Molecular Weight:
760.57
UNSPSC Code:
41105305
EC Index Number:
228-319-2
NACRES:
NA.32
MDL number:
MFCD00003892
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Quality Segment

100

form

solid

pH

9.0 (20 °C, 10 g/L in H2O)

solubility

10 g/L

bulk density

660 kg/m3

storage temp.

2-30°C

InChI

1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-11-14(3-8-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,25H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23?,26-21-;;;;

InChI key

LZYGEJPERQQCIY-STNZDNLRSA-J

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (water): 517 - 523 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; water): 460 - 600
TLC-Test: passes test
Loss on drying (110 °C): ≤ 10 %
Suitability for electrophoresis: passes test

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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