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ammonium perchlorate

Also known as: AMMONIUM PERCHLORATE · 7790-98-9 · PKHA · Perchloric acid, ammonium salt

CAS No.: 7790-98-9
Formula: ClH4NO4
Molar mass: 117.49 g/mol
PubChem CID: 24639

GHS pictograms

Explosive

Oxidizing

Harmful / Irritant

Health hazard

2D structure of ammonium perchlorate — 2D structure · PubChem CID 24639

Summary

ammonium perchlorate (ClH4NO4), CAS 7790-98-9. 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

Explosive (GHS01)

May explode when exposed to heat, shock or flame.

Oxidizing (GHS03)

May cause or intensify fire.

Harmful / Irritant (GHS07)

May cause skin, eye or respiratory irritation.

Health hazard (GHS08)

Serious long-term health effects (CMR, respiratory sensitizer).

Hazard statements

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

Explosive. Keep away from shock, friction, sparks and heat. Store in dedicated magazines.
Oxidizing. Keep away from combustibles, organics, reducers and fuels.
Irritant / harmful. Ventilate the workspace and avoid skin contact.
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 ammonium perchlorate flammable?+

ammonium perchlorate (CAS 7790-98-9) 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 ammonium perchlorate?+

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 ammonium perchlorate be stored?+

Store ammonium perchlorate (CAS 7790-98-9) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials.

Is ammonium perchlorate dangerous for the environment?+

No specific environmental pictogram (GHS09) is listed in our records for ammonium perchlorate, 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 ammonium perchlorate?+

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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