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Organic Intermediate Isophthalic Acid with CAS 121-91-5
US$2.00
1-19,999 kg
US$1.00
20,000+ kg
Sample price:US$2.00/kg.Request sample
Product profile
Customization
AvailableCAS No.
121-91-5Formula
C8h6o4Model NO.
QMZCH25008EINECS
204-506-4Type
Synthesis Material IntermediatesAppearance
PowderQuality
RefinedColour
WhiteTransport Package
25kg/Bag; 1000kg/BagSpecification
99.0%minTrademark
QinmuOrigin
Jinan, Shandong, China.Production Capacity
500mt/MonthKey features
High Purity Grade: Refined white powder with CAS 121-91-5 and EINECS 204-506-4.
Versatile Applications: Key raw material for unsaturated polyester, PET copolymer, and alkyd resins.
Specialty Chemical Source: Used to synthesize DEIP solvent, PMIA aramid fibers, and UV stabilizers.
Reliable Supply Chain: Consistent 15-day lead time for both peak and off-season orders.
Global Market Reach: Products exported to North America, South America, and European markets.
Company profile

Business Type: Trading CompanyAverage Response Time: ≤2.16h
AI-Powered supplier vetting
SummaryThe supplier is presented as a chemical-oriented business with a stated focus on organic synthesis and a business scope that includes biological feed development, Class I medical devices, chemical products, and import/export activities. It holds ISO 9001 certification and states that quality assurance exists, but its finished-product inspection is performed by packing staff. The supplier offers several customization options, including sample-based, design-based, full, and minor customization, but it does not provide 3D software design, ODM, OEM for popular brands, SDK support, or documented R&D activity in the past year. Export sales are stated at 90%, although export experience is listed as one year and no overseas showroom, branch, agent, or offline trade-show participation is reported. Complaint-handling and corrective-action procedures lack written procedures or records. Production capacity, customer cases, and financial credibility cannot be positively established from the available evidence.
CertificationsThe supplier reports ISO 9001 certification and states that quality assurance exists in its quality-control processes. However, the provided evidence does not identify the certification scope, issuing body, validity period, or audit status.
After-Sales capabilityThe supplier accepts multiple quotation and payment terms and reports lead times within 15 working days in both peak and off-season periods. However, it has no overseas showroom, branch, agent, overseas service countries, or offline trade-show participation, and it lacks written procedures or records for complaint handling and corrective/preventive actions.
R&D capabilityThe supplier reports no new products in the past year, no ODM service, no SDK availability, and no OEM capability for popular brands. It also states that it is not a professional technical supplier and does not provide 3D software design services, while offering customization based on samples or designs; this supports customization but not demonstrated innovation or R&D strength.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization. This is consistent across both supplied records and provides direct evidence of broad customization options, although it does not specify technical limits, production scale, or design-support tools.
Product Q&A
Q:What is the CAS number for Isophthalic Acid?
A:
The CAS number for this product is 121-91-5.
Q:What is the primary usage of Isophthalic Acid?
A:
It is primarily used in producing unsaturated polyester resins (38.6%), PET copolymer resins (39.9%), and alkyd resins (14.9%).
Q:What is the lead time for orders?
A:
The average lead time is within 15 workdays for both peak season and off-season periods.
Q:What are the physical properties of the product?
A:
It appears as a white powder with the molecular formula C8H6O4 and molecular weight 166.13.
Send Inquiry
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Qinmu Biotechnology (Jinan) Co., Ltd.
Qinmu Biotechnology (Jinan) Co., Ltd.*Content:
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