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Isopropylphenyl diphenyl phosphate
Also known as: Phosphoric acid · 7664-38-2 · ORTHOPHOSPHORIC ACID · o-Phosphoric acid
- CAS No.
- 28108-99-8
- Formula
- C21H21O4P
- Molar mass
- 368.4 g/mol
- PubChem CID
- 34148
Health hazard
Summary
Isopropylphenyl diphenyl phosphate (C21H21O4P), CAS 28108-99-8. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.
Background
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Physical properties
No experimental physical properties indexed yet. Try PubChem for the raw record.
Hazards
Serious long-term health effects (CMR, respiratory sensitizer).
Hazard statements
Storage
Keep at room temperature, below 30 °C, out of direct heat.
Store somewhere well-ventilated and away from any ignition source.
Metal drums or tinted glass, tightly sealed.
Strong acids, strong bases and powerful oxidizers.
Personal protective equipment
Nitrile or butyl, at least 0.4 mm thick.
Safety goggles with side shields.
A2 organic-vapor cartridge if the room isn't well ventilated.
Occupational exposure limits (HSE)
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EU harmonised classification (ECHA C&L)
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Transport
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FDA recalls & enforcement
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Compatibilities
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Open comparator with Isopropylphenyl diphenyl phosphatePractical safety notes
- Serious health hazard (carcinogen, mutagen, reprotoxic, respiratory sensitizer). Substitute if possible; otherwise closed systems and medical surveillance.
Derived from the GHS classification shown above. These notes are generic guidance and do not replace the manufacturer's SDS or your local risk assessment.
FAQ
Is Isopropylphenyl diphenyl phosphate flammable?+
Isopropylphenyl diphenyl phosphate (CAS 28108-99-8) does not carry the GHS02 flame pictogram in our records. Always confirm with the manufacturer's SDS section 9 (flash point) before assuming a product is non-flammable.
What PPE should I wear when handling Isopropylphenyl diphenyl phosphate?+
Safety glasses with side shields and nitrile gloves are the baseline. Work inside a fume hood or use a suitable respirator. Check SDS section 8 for material-specific breakthrough times.
How should Isopropylphenyl diphenyl phosphate be stored?+
Store Isopropylphenyl diphenyl phosphate (CAS 28108-99-8) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials.
Is Isopropylphenyl diphenyl phosphate dangerous for the environment?+
No specific environmental pictogram (GHS09) is listed in our records for Isopropylphenyl diphenyl phosphate, but any chemical waste should be handled through your site's hazardous-waste procedure, not poured down the drain.
Where can I find the official Safety Data Sheet for Isopropylphenyl diphenyl phosphate?+
Official, up-to-date SDS documents are published by each manufacturer (Sigma-Aldrich, Merck, Thermo Fisher, VWR, Carl Roth, etc.) and by regulators such as ECHA and NIOSH. This page is an educational summary and does not replace the manufacturer's SDS.
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