8.20078
4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid monosodium salt
for synthesis
Synonym(s):
4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid monosodium salt, 1-Amino-8-naphthol-3,6-disulfonic acid monosodium salt
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About This Item
Empirical Formula (Hill Notation):
C10H8NNaO7S2
CAS Number:
Molecular Weight:
341.29
MDL number:
UNSPSC Code:
12352107
EC Index Number:
226-736-4
NACRES:
NA.22
Form:
powder
Quality Segment
form
powder
autoignition temp.
>400 °C
mp
>380 °C
bulk density
550 kg/m3
storage temp.
2-30°C
SMILES string
[Na+].[S](=O)(=O)(O)c1cc2c(c(c1)N)c(cc(c2)[S](=O)(=O)O)[O-]
InChI
1S/C10H9NO7S2.Na/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;/h1-4,12H,11H2,(H,13,14,15)(H,16,17,18);/q;+1/p-1
InChI key
QPILZZVXGUNELN-UHFFFAOYSA-M
Analysis Note
Assay (acidimetric): ≥ 85.0 %
Water (K. F.): 8.0 - 12.0 %
Identity (IR): passes test
Water (K. F.): 8.0 - 12.0 %
Identity (IR): passes test
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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