Phenolphthalein CAS 77-09-8 Acid-Base Indicator

Name: Phenolphthalein CAS 77-09-8 Acid-Base Indicator
Brand: Qinmu Biotechnology (Jinan) Co., Ltd.
SKU: 2133651952

Shandong, ChinaQinmu Biotechnology (Jinan) Co., Ltd.

US$10.00-100.00

1 kg

Product specifications

Package type

Sample price:US$130.00/kg.Request sample

Product profile

Customization

Available

CAS No.

77-09-8

Formula

C20h14o4

Model NO.

QMAX25253

EINECS

201-004-7

Type

Synthesis Material Intermediates

Appearance

Powder

Quality

Refined

Colour

White

Synonym1

Phenolphthalein

Synonym 2

3,3-Bis(4-Hydroxyphenyl)-1(3h)-Isobenzofuranone

Abbreviation

Alpha-Di(P-Hydroxyphenyl)Phthalide

Sample

Available

Delivery

3-5days

Boiling Point

261-263 °C

Density

1.3196

Storage

Store Below +30°C.

Burning Residue

≤0.5%

Solubility

139g/L

Melting Point

119-121 °C (Lit.)

Sample Package

100g; 1kg; 25g

Supply Type

OEM/ODM

Certificate

ISO 9001

Moisture

≤0.5%

Transport Package

25kg/Bag; 25kg/Drum

Specification

99%

Trademark

QINMU

Origin

China

HS Code

2905420000

Production Capacity

300mt/Month

Company profile

Qinmu Biotechnology (Jinan) Co., Ltd.

Shandong, China

Business Type: Trading CompanyAverage Response Time: ≤2.06h

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.