9 10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO CAS 35948-25-5

Product name:9 10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO
CAS:35948-25-5
MF:C12H9O2P
MW:216.17
EINECS:252-813-7
Melting point:116-120°C
Boiling point:200°C

Purity:≥99%

White crystalline powder

1. 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO CAS 35948-25-5 is a phosphorus-containing heterocyclic flame retardant intermediate for multi-step organic synthesis.
2. 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO acts as a reactive flame retardant monomer for epoxy resins, polyesters and polyurethane systems.
3. 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO CAS 35948-25-5 can be adopted for preparing halogen-free flame retardant materials with good thermal stability.
4. 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO serves as a building block to modify polymer matrices and improve anti‑combustion performance.

1. Store 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO CAS 35948-25-5 in tightly sealed containers within cool, dry and dark storage areas.
2. Keep 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO away from heat sources, direct sunlight and strong oxidizing agents.
3. Separate 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO CAS 35948-25-5 from food and feed substances to avoid cross-contamination.
4. 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO should be kept isolated from strong acids and strong bases.

1. 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO CAS 35948-25-5 may irritate skin, eyes and respiratory tract upon dust inhalation or direct contact.
2. Eye exposure to 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO may cause burning sensation, redness and tearing.
3. Ingestion of 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO CAS 35948-25-5 may induce gastrointestinal discomfort and nausea.
4. Repeated skin contact with 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO may trigger skin irritation for sensitive individuals.

1. Wear safety goggles, chemical-resistant gloves and lab coat when handling 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO CAS 35948-25-5.
2. Operate 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO in fume hood and ensure adequate local ventilation at workplace.
3. In case of skin or eye contact with 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO CAS 35948-25-5, rinse affected areas with plenty of running water immediately.
4. Prevent leakage of 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide /DOPO into sewer systems; collect spilled solid with inert absorbent materials.

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