Armstrong's acid

C₁₀H₈O₆S₂CAS 81-04-9288.29 g/mol

Open in Covalent MOL file

Properties

Molecular formula: C₁₀H₈O₆S₂
Molar mass: 288.29 g/mol
Exact mass: 287.9762 Da
Melting point: 242.5 °C (decomposes)
logP: 1.33Crippen estimate
Polar surface area: 108.7 Å²
H-bond donors / acceptors: 2 / 4
Rotatable bonds: 2

Hazards

Danger

H314 Causes severe skin burns and eye damage100% of notifiers
H318 Causes serious eye damage98.3% of notifiers

Aggregated from 115 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P260, P264, P264+P265, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P405, P501

Identifiers

CAS number

81-04-9

SMILES

O=S(=O)(O)c1cccc2c(S(=O)(=O)O)cccc12

InChIKey

XTEGVFVZDVNBPF-UHFFFAOYSA-N

InChI

InChI=1S/C10H8O6S2/c11-17(12,13)9-5-1-3-7-8(9)4-2-6-10(7)18(14,15)16/h1-6H,(H,11,12,13)(H,14,15,16)

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

4 names

1,5-Naphthalenedisulfonic acid
Napadisylic acid
NSC 9588
Naphthalene-1,5-disulfonic acid

Work with Armstrong's acid

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Naphthalene-1,5-disulfonic acid tetrahydrate211366-30-2Hydrate Diazoline6153-33-9Salt Aclatonium napadisilate55077-30-0Salt Disodium 1,5-naphthalenedisulfonate1655-29-4Salt Benzenediazonium, 4-chloro-2-methyl-, 1,5-naphthalenedisulfonate (1:1)51503-28-7Salt

Similar compounds

L Acid117-59-977 % similar Naphthalene-1-sulfonic acid85-47-276 % similar Laurent acid84-89-974 % similar 1,3,5-Naphthalenetrisulfonic acid6654-64-471 % similar 2-Naphthylamine-4,8-disulfonic acid131-27-167 % similar Dansyl acid4272-77-967 % similar 2-Amino-1,5-naphthalenedisulfonic acid117-62-465 % similar 1-Naphthol-4-sulfonic acid84-87-764 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Same formula

2,6-Naphthalenedisulfonic acid581-75-9 2,7-Naphthalenedisulfonic acid92-41-1

Elsewhere

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