4733-50-0 purity 98% 3,6-Dihydroxyphthalonitrile Complete qualifications

Basic Information

• Synonyms: 2,3-Dicyanohydroquinone, 3,6-Dihydroxy-1,2-benzenedicarbonitrile
• CAS No.: 4733-50-0
• Molecular Weight: 160.13
• EINECS No.: 225-241-0
• MDL No.: MFCD00001790
• UN Number: 3439 (Class 6.1 Toxic Substance, Packing Group III)
• Appearance: Pale yellow to khaki/brown crystalline powder or needles

Applications

1. Pigment & Dye Intermediates: Key precursor for high-performance organic pigments, dyes, and optical brighteners。
2. Pharmaceutical Intermediates: Used in synthesis of carbonic anhydrase inhibitors, anticancer agents (e.g., colorectal carcinoma), and osteoporosis treatments (calcium chelators)。
3. Organic Synthesis: Building block for heterocyclic compounds, cyanide-containing fine chemicals, and functional materials。
4. Material Science: Intermediate for heat-resistant polymers, liquid crystals, and fluorescent materials。
5. 

Storage Conditions

1. Temperature: Store in a cool, dry, well-ventilated warehouse; ambient temperature (≤30 °C), avoid heat and direct sunlight。
2. Packaging: Keep containers tightly sealed to prevent moisture absorption and oxidation; use airtight chemical-grade containers (e.g., brown glass bottles, HDPE drums)。
3. Segregation: Store separately from strong oxidants, strong bases, and food/feed; avoid incompatible materials。
4. Handling: Wear PPE (chemical goggles, nitrile gloves, dust mask) during handling; avoid dust generation。
5. Shelf Life: 24 months in unopened original packaging under recommended conditions。

Company Profile

Suqian City Hengliyuan import and Export Trade Co, LTD is a trad i ng company. The company has introduced advanced scientific and technological achievements

from home and abroad, and has superior products from well-known manufacturers at home and abroad. The basic functions are:1, Domestic trade of various

chemical raw materials 2, Providing price information services and chemical raw materials procurement for industrial enterprises 3, Cooperating with Chinese

state-owned enterprise factories, the price and quality are very advantageous. At present, the company is relying on the combination of industry and trade and

global procureme nt  to steadily improve the company's value-added ability and compound competitivene s s. We have a l ways been committed to producing high

quality and cost-competitive products , so we have been sincerely recognized by many customers. Our goal is to produce the best products and satisfy every  

customer with professional services and attitudes. We look forward to cooperating with you .