What is the color change range for this indicator?

It is colorless to pH 8.5 and turns pink to deep-red above pH 9.

High Quality Phenolphthalein CAS No. 77-09-8 Medical Grade & Ar Grade

Name: High Quality Phenolphthalein CAS No. 77-09-8 Medical Grade & Ar Grade
Brand: Hebei Shanyu Chemical Co., Ltd.
SKU: 1946548782

Hebei, ChinaHebei Shanyu Chemical Co., Ltd.

US$11.50

500-999 kg

US$11.00

1,000-1,999 kg

US$10.50

2,000-2,999 kg

US$10.00

3,000+ kg

Sample price:US$50.00/kg.Request sample

Product profile

Customization

Available

CAS No.

77-09-8

Formula

C20h14o4

Model NO.

Phenolphthalein

EINECS

201-004-7

Classification

Organic Analytical Reagents

Grade

Medical Grade

Specific Usage

For Biological Purpose, For Tissue Medium Purpose, For Microbiological, For Microscopic Purpose, For Electron Microscopy, For Lens Blooming, Technical Grade, Pratical Use, Pro Analysis, Super Special Grade, For Synthesis, For Electrophoresis Use, For Refractive Index

Content

99.8%-101%

Usage

Laboratory Reagents, Analytical Reagents, Diagnostic Reagents, Teaching Reagents, Lose Weight

Source

Chemosynthesis

Habit Appellation

Fine Chemicals

Application

Industry, Scientific Research, Health, Environmental Protection, Agriculture, Car Washing

Property

Organic Reagent

Color Range of Indicator

8.2-10.0

Transport Package

Fiber Can

Specification

10kg, 25kg

Trademark

SHANYU

Origin

China

HS Code

293229100

Production Capacity

9000tons Per Year

Key features

High Purity Grade: Assay 98.0%-101.0% with heavy metals not more than 0.001%.

Versatile Applications: Used in laboratory reagents, diagnostics, research, and environmental protection.

Specific pH Indicator Range: Colorless to pink above pH 9, with range 8.2-10.0.

Medical Grade Quality: Suitable for medical, food, and biological purposes with high purity.

Stable Storage Requirements: Store in well-closed drums in cool and dry areas to maintain quality.

Organic Analytical Reagent: CAS No. 77-09-8, formula C20H14O4, used for synthesis and electrophoresis.

Global Market Supply: Available for South America, Europe, Africa, and other major global markets.

Company profile

Hebei Shanyu Chemical Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier operates across a broad range of chemical, agricultural, medical-device, electronic, household-appliance, metal, instrument, rubber, and daily-chemical product sales, although the provided business-scope excerpts are incomplete. It has stated quality assurance and raw-material traceability, and reports multiple management-system certifications, including ISO 9001 and ISO 14000. Production information lists several chemical products and quantities, while peak- and off-season lead times are both within 15 workdays. However, the supplier is not identified as a professional technical supplier, does not offer 3D software design, ODM, SDK, or well-known-brand OEM services, and reports no new products in the past year. Written complaint-handling, corrective/preventive-action, supplier-assessment, and approved-supplier-list procedures are absent. Overseas agents, branches, warehouses, showrooms, and offline trade-show participation are also not reported as available. Financial information is present...

Supplier typeThe supplier is explicitly not classified as a professional technical supplier. Its stated business scope covers sales of chemical products, agricultural chemicals, coatings, fertilizers, medical devices, electronics, household appliances, metals, instruments, rubber products, and daily-chemical products, indicating a diversified trading or supply scope rather than a narrowly defined technical-service profile.

CertificationsThe supplier reports quality assurance and raw-material traceability, and lists multiple management-system certifications, including ISO 9000, ISO 9001, ISO 14000, ISO 20000, ISO 50001, QHSE, BSCI, LEED, GAP, HSE, GMP, and QC 080000. The slices do not provide certificate numbers, validity periods, or verification records, so the reported certifications are evidence of stated coverage but not independently verified here.

After-Sales capabilityThe supplier has no written procedures or records for customer complaints or corrective and preventive actions. It also lacks in-stock capability, overseas warehouses, overseas showrooms, overseas agents or branches, and has not participated in offline trade shows; therefore, the provided evidence indicates a weak documented and overseas after-sales infrastructure.

R&D capabilityThe supplier reports no new products in the past year, does not provide ODM services, lacks an available SDK, and does not provide 3D software design services. It is also explicitly not classified as a professional technical supplier, which supports a clear deficiency in documented innovation and technical-development capability.

Production capacityThe supplier reports product-specific output, including aluminium phosphide, abamectin, phenolphthalein, sulphur black, and iodine, and states that annual production output is above the stated threshold. It also reports peak- and off-season lead times within 15 workdays. These data support production and delivery capability, although the slices do not establish capacity for every product or validate the output records.

Customization capabilityThe supplier explicitly states that its R&D-related design service is customization from samples. This demonstrates sample-based customization, but there is no evidence of broader product-development, ODM, 3D-design, or SDK-based customization services.