Phenolphthalein CAS 77-09-8

Product name:Phenolphthalein
CAS：77-09-8
MF：C20H14O4
MW：318.32
EINECS:201-004-7

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Model:
77-09-8
Brand:
futurechem
Code:
77-09-8

Product Description

Product Description

Product name:Phenolphthalein

CAS：77-09-8

MF：C20H14O4

MW：318.32

EINECS:201-004-7

Applicatiuon ：

1. Used in organic synthesis: mainly used in the synthesis of plastics, especially the synthesis of naphthyridine polyaryl ether ketone polyaryl ether ketone polymers.

2. Used as acid-base indicators, indicators for titration of non-aqueous solutions, color Reagents for layer analysis.

Specifications :

项目	标准	结果
Items	Standard	Results
PH 变色域	8.0（无色）--10.0（红紫色）	8.0（无色）--10.0（红紫色）
质量系收系数 a（L/cm·g）	68.0---75.0	68.6
乙醇溶解试验	合格	合格
灼烧残渣（以硫酸盐计） ≤	0.05	0.025
干燥失重 ≤	1	0.1

公司信息

Phenolphthalein CAS 77-09-8 C20H14O4

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.