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Benzophenone-2 (BP-2)

Tetrahydroxybenzophenone UV absorber for compatible polymer, coating and industrial formulation systems.

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ZXCHEM China supplier illustration of Benzophenone-2 (BP-2), light yellow crystalline powder
PRODUCT IDENTIFICATION

Benzophenone-2 (BP-2) at a Glance

ZXCHEM is a Benzophenone-2 (BP-2) supplier and exporter in China, CAS 131-55-5. It is supplied as light yellow crystalline powder with an assay of ≥99.0%. It is a tetrahydroxybenzophenone UV absorber for compatible polymer, coating and industrial formulation systems. Send your application, quantity and destination for a quotation.

CAS No.131-55-5
SynonymsBP-2; 2,2′,4,4′-Tetrahydroxybenzophenone
Assay / GradeAssay ≥99.0%
EC / EINECS205-028-9
HS Code291450 (indicative)
Dangerous Goods ClassNot regulated · ADR/IMDG/IATA
AppearanceLight yellow crystalline powder
MF (component)C13H10O5
MW (component)246.22 g/mol

Request a free sample for testing.

Standard lead time is approximately 14 days from order confirmation.

TECHNICAL DATA

Benzophenone-2 (BP-2) Specifications

ParameterSpecification
Appearance
Light yellow crystalline powder
Assay
≥99.0 %
Loss on drying
≤0.5 %
Melting point
≥195.0 °C
Color
≤3.0
Specific absorbance A1/1, 345 nm
≥580
Turbidity
12 NTU

Color scale and absorbance solution conditions are not defined in the supplied sheet; agree the methods when ordering. Turbidity is listed as 12 NTU without a maximum/minimum sign and is not presented as a guaranteed upper limit.

Commercial Information

OriginChina
MOQ1,000 kg
Packing25 kg net cardboard drums.
Lead timeApproximately 14 days from order confirmation
SamplesContact us for free samples

Storage & Shipping

Storage Conditions

Store tightly closed in a cool, dry, ventilated place, protected from direct sunlight and strong oxidizers.

Shelf life

Two years in unopened original packaging under recommended storage conditions.

Packaging

25 kg net cardboard drums.

Handling & Protection

Review the grade SDS before transfer, sampling or processing. Use suitable ventilation, protective equipment and compatible handling equipment.

What Is Benzophenone-2 (BP-2)?

Benzophenone-2, also called BP-2, is a hydroxy-substituted benzophenone used in UV-absorbing formulations. The listed crystal grade controls assay, loss on drying, melting point and specific absorbance.

Solubility and compatibility must be evaluated in the actual resin or solvent system. Color development, light stability and migration can depend on the base formulation and processing temperature.

The absorbance entry is a raw-material parameter; it does not establish the weathering performance or UV protection of a finished product. Agree the analytical conditions and end-use requirements before approving bulk supply.

The Assay ≥99.0% grade is supplied as light yellow crystalline powder. The specification table, TDS and SDS on this page cover the main purchasing parameters. For a quotation, send the application, quantity and destination.

FORMULATION

Benzophenone-2 (BP-2) Applications

Polymer UV-absorber systems

Evaluate BP-2 in compatible polymer or resin systems where UV absorption is required. Check dispersion, processing stability, color and migration in the finished material; additive identity alone does not establish outdoor service life.

Coatings and inks

Assess dissolution and compatibility in the intended coating or ink vehicle. Compare initial color, storage stability and film performance with the required exposure test before selecting the raw-material specification.

Formulation qualification

Use the assay and absorbance information for incoming-material comparison. Define the test solvent, sample concentration and color method with the supplier so that results from different specifications can be compared.

WHY ZXCHEM

Why Source Benzophenone-2 (BP-2) from ZXCHEM

Combined chemical orders

Source several chemical raw materials through one ZXCHEM contact. We coordinate product selection, quotations and suitable consolidated shipments so you can plan the order with one team.

Dedicated R&D Laboratory

Discuss specifications, sample results and application questions with our technical team. Our dedicated R&D laboratory supports product testing and helps clarify material selection.

Experienced Chemical Logistics

ZXCHEM has more than 30 years of experience in dangerous-goods transportation. We coordinate suitable shipments through logistics companies in which we hold equity interests in Qingdao, Shanghai, Guangzhou and Tianjin.

Dedicated Purchasing Support

Your account manager follows the order from quotation and contract signing through shipment and after-sales support. One contact coordinates technical documents, commercial details and delivery updates.

BUYER FAQ

Benzophenone-2 (BP-2) FAQ

What grade of Benzophenone-2 (BP-2) is listed?

The listed grade is Assay ≥99.0%, supplied as light yellow crystalline powder. The specification table and TDS list the quality limits. Tell us any additional method or impurity requirements when you inquire.

Can I request an evaluation sample of Benzophenone-2 (BP-2)?

Yes. Send the application, target grade and test quantity, and we confirm the sample and technical documents. Read the SDS before handling or laboratory evaluation.

How is Benzophenone-2 (BP-2) packed and stored?

25 kg net cardboard drums. Store tightly closed in a cool, dry, ventilated place, protected from direct sunlight and strong oxidizers. Confirm the packing selected for the quotation and destination before placing the order.

Which documents are available for Benzophenone-2 (BP-2)?

Download the TDS for the listed technical grade and the reference SDS for safety and transport information. Each order comes with a batch COA; include any market or end-use requirements in your inquiry.

Request a Quote for Benzophenone-2 (BP-2)

Tell us the required grade, quantity, destination port and documents. We reply within one business day.

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