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Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate

Also known as: Malonate malaoxon · 19594-37-7 · MALONIC ACID, MERCAPTO-, S-ESTER with O,O-DIETHYLPHOSPHOROTHIOATE · O,O-Diethyl(S-1-(1,1-dicarbethoxy)methyl) phosphorothiolate

CAS No.
19594-37-7
Formula
C11H21O7PS
Molar mass
328.32 g/mol
PubChem CID
29677
2D structure of Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate
2D structure · PubChem CID 29677

Summary

Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate (C11H21O7PS), CAS 19594-37-7. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.

Background

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Physical properties

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Hazards

No GHS data listed for this product yet.

Storage

Temperature

Keep at room temperature, below 30 °C, out of direct heat.

Ventilation

Store somewhere well-ventilated and away from any ignition source.

Containers

Metal drums or tinted glass, tightly sealed.

Keep away from

Strong acids, strong bases and powerful oxidizers.

Personal protective equipment

Gloves

Nitrile or butyl, at least 0.4 mm thick.

Eye protection

Safety goggles with side shields.

Respirator

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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Practical safety notes

  • Handle Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate in a ventilated area, wear safety glasses and nitrile gloves, and consult the manufacturer's SDS before first use.

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 Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate flammable?+

Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate (CAS 19594-37-7) 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 Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate?+

Safety glasses with side shields and nitrile gloves are the baseline. Ventilation should be sufficient to keep vapours below the occupational exposure limit. Check SDS section 8 for material-specific breakthrough times.

How should Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate be stored?+

Store Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate (CAS 19594-37-7) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials.

Is Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate dangerous for the environment?+

No specific environmental pictogram (GHS09) is listed in our records for Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate, 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 Malonic acid, mercapto-, S-ester with O,O-diethylphosphorothioate?+

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.

Ask about this product

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