8.40104
1,5-Naphthalenedisulfonic acid
for synthesis
Synonym(s):
1,5-Naphthalenedisulfonic acid, Armstrong acid
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| Size/SKU | Availability | Price |
|---|---|---|
25 g | Estimated to ship onAugust 17, 2026 | $49.40 |
250 g | Estimated to ship onAugust 17, 2026 | $132.00 |
About This Item
Empirical Formula (Hill Notation):
C10H8O6S2
CAS Number:
Molecular Weight:
288.30
MDL number:
UNSPSC Code:
12352106
EC Index Number:
201-317-9
NACRES:
NA.22
Assay:
≥97.0% (HPLC)
$49.40
Estimated to ship onAugust 17, 2026Details
vapor pressure
51 hPa ( 50 °C)
Quality Segment
assay
≥97.0% (HPLC)
potency
2420 mg/kg LD50, oral (Rat)
pH
2.4 (20 °C, 1 g/L in H2O)
mp
110 °C (decomposes)
solubility
1030 g/L
bulk density
900 kg/m3
SMILES string
[S](=O)(=O)([O-])c1c2c(c(ccc2)[S](=O)(=O)[O-])ccc1.[H+].[H+]
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)
InChI key
XTEGVFVZDVNBPF-UHFFFAOYSA-N
Analysis Note
Assay (HPLC, area%): ≥ 97.0 % (a/a)
Water (K. F.): 22.0 - 26.0 %
Identity (IR): passes test
Water (K. F.): 22.0 - 26.0 %
Identity (IR): passes test
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
wgk
WGK 3
Storage Class
8A - Combustible corrosive hazardous materials
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