Isophthalic acid CAS 121-91-5

Product name：Isophthalic acid

CAS：121-91-5

MF：C8H6O4

MW：166.13

EINECS：204-506-4

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Model:
121-91-5
Brand:
futurechem
Code:
121-91-5

Product Description

Product Description

Product name：Isophthalic acid

CAS：121-91-5

MF：C8H6O4

MW：166.13

EINECS：204-506-4

Application：

1. Used in the production of alkyd resins, unsaturated polyester resins, and other polymers and plasticizers, as well as in the manufacturing of film couplers, coatings, and polyester fiber dyeing modifiers

2. Used as a chromatographic analysis reagent and also in organic synthesis

Specifications :

公司信息

Isophthalic acid CAS 121-91-5 C8H6O4

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.