CAS RN: 120-18-3

Naphthalene-2-sulfonic acid

Product Availability

Choose a grade to view its available package options.

5 package records3 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260616 25g / 100g / 500g / 2.5kg Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei 5-7 business days Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260121 100g In stock Shanghai Inquiry
Batchno.20251017 1kg Out of stock Inquiry
Batchno.20260520 25g In stock Shenzhen, Tianjin Inquiry
Batchno.20260523 500g Out of stock Inquiry
  • Product code: SSC-020776
GET A QUOTE
Historical Factory Record

Historical Supply Reference

This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.

  • Pack sizes on record: 500g
  • Available purity: ≥97%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
Request Bulk Quote

Reference Pack Sizes

Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 120-18-3
Pack Size Recorded Purity Available Qty Ship From Inquiry
500g ≥97% 0 Out of Stock Hong Kong Inquiry

120-18-3 / naphthalene-2-sulfonic acid

Naphthalene-2-sulfonic acid | 2-NAPHTHALENESULFONIC ACID | beta-Naphthylsulfonic acid

Standard CAS: 120-18-3 Multi CAS: Yes

Basic Information

CAS
120-18-3
Multi CAS
Yes
Molecular Formula
C10H8O3S
Molecular Weight
208.240000
Exact Mass
208.019415
SMILES
C1=CC=C2C=C(C=CC2=C1)S(=O)(=O)O
InChI
InChI=1S/C10H8O3S/c11-14(12,13)10-6-5-8-3-1-2-4-9(8)7-10/h1-7H,(H,11,12,13)
InChIKey
KVBGVZZKJNLNJU-UHFFFAOYSA-N
Synonyms
Naphthalene-2-sulfonic acid 2-NAPHTHALENESULFONIC ACID beta-Naphthylsulfonic acid beta-Naphthalenesulfonic acid Naphthalene-2-sulphonic acid

Physical Properties

Physical Description
Hygroscopic solid
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
14
Aromatic heavy atom count
10
Rotatable bonds
1
H-bond acceptors
2
H-bond donors
1
Molar refractivity
53.76
TPSA
54.37

LogP / Solubility

WLOGP
2.09
MLOGP
1.84
XLogP3
0.6
Consensus LogP
1.51
Log S (ESOL)
-2.91
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.77
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.87
Class (SILICOS-IT)
Moderately soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
Yes
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.51

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
1.5

Safety & Transport

Pictogram(s)
Corrosive Irritant
Signal
Danger
GHS Hazard Statements
H302 (41.6%): Harmful if swallowed [Warning Acute toxicity, oral] H314 (99.2%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation] H318 (80.4%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
Precautionary Statement Codes
P260, P264, P264+P265, P270, P280, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P330, P363, P405, and P501

Get In Touch

Contact Us