Naphthalene-2-sulfonic acid CAS 120-18-3

Product name：Naphthalene-2-sulfonic acid

CAS：120-18-3

MF：C10H8O3S

MW：208.23

EINECS：204-375-3

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Model:
120-18-3
Brand:
futurechem
Code:
120-18-3

Product Description

Product Description

Product name：Naphthalene-2-sulfonic acid

CAS：120-18-3

MF：C10H8O3S

MW：208.23

EINECS：204-375-3

Application：

1.2 naphthalene sulfonic acid is an important chemical intermediate widely used in the dye, textile, and leather industries. Used for the production of dye intermediates such as 2-naphthol, 2-naphthol sulfonic acid, 1,3,6-naphthalene trisulfonic acid, 2-naphthylamine sulfonic acid, etc. Dehydrogenation catalyst.

2.2- Naphthesulfonic acid is also used as a biochemical and experimental reagent for peptone and protein determination.

Specifications :

ITEM	RESULT
Appearance	Off-white crystal
Purity(HPLC)	≥98%
Iron ion(ppm)	≤20
Solid content	≥65%
Free Acid	≤2%
Water	≤35%

公司信息

Naphthalene-2-sulfonic acid CAS 120-18-3 C10H8O3S

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.