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Merck
CN

70530

3-Hydroxynaphthalene-2,7-disulfonic acid disodium salt

technical, ≥95% (HPLC)

Synonym(s):

Disodium 3-hydroxy-2,7-naphthalenedisulfonate, R-Acid sodium salt

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About This Item

Empirical Formula (Hill Notation):
C10H6Na2O7S2
CAS Number:
Molecular Weight:
348.26
EC Number:
205-196-3
UNSPSC Code:
12352100
PubChem Substance ID:
Beilstein/REAXYS Number:
3643184
MDL number:
Assay:
≥95% (HPLC)
Form:
powder
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grade

technical

Quality Segment

assay

≥95% (HPLC)

form

powder

loss

≤2% loss on drying

SMILES string

[Na+].[Na+].Oc1cc2ccc(cc2cc1S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C10H8O7S2.2Na/c11-9-4-6-1-2-8(18(12,13)14)3-7(6)5-10(9)19(15,16)17;;/h1-5,11H,(H,12,13,14)(H,15,16,17);;/q;2*+1/p-2

InChI key

VNEBWJSWMVTSHK-UHFFFAOYSA-L



Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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