528765
4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid monosodium salt hydrate
85%
Synonym(s):
H Acid
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About This Item
Linear Formula:
H2NC10H4(OH)(SO3H)SO3Na · xH2O
CAS Number:
Molecular Weight:
341.29 (anhydrous basis)
UNSPSC Code:
12171500
PubChem Substance ID:
MDL number:
assay
85%
mp
>300 °C (lit.)
SMILES string
Nc1cc(cc2cc(cc(O)c12)S(O)(=O)=O)S(O)(=O)=O
InChI
1S/C10H9NO7S2/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)
InChI key
APRRQJCCBSJQOQ-UHFFFAOYSA-N
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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