Educational content for trained professionals. Not a Safety Data Sheet, not medical advice. In an emergency, call your local poison control or emergency services immediately. Terms of use.
Benzyl azide
Also known as: Benzyl azide · (Azidomethyl)benzene · 622-79-7 · Benzylazide
- CAS No.
- 622-79-7
- Formula
- C7H7N3
- Molar mass
- 133.15 g/mol
- PubChem CID
- 12152
Explosive
Flammable
Harmful / Irritant
Health hazard
Summary
Benzyl azide (C7H7N3), CAS 622-79-7. 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
May explode when exposed to heat, shock or flame.
Ignites easily when exposed to a flame or spark.
May cause skin, eye or respiratory irritation.
Serious long-term health effects (CMR, respiratory sensitizer).
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 Benzyl azidePractical safety notes
- Explosive. Keep away from shock, friction, sparks and heat. Store in dedicated magazines.
- Flammable. Keep away from open flames, hot surfaces and sparks. Ground containers when transferring.
- 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 Benzyl azide flammable?+
Yes. Benzyl azide (CAS 622-79-7) carries the GHS02 flame pictogram. Keep it away from ignition sources, use non-sparking tools, and ground metal containers when transferring liquid.
What PPE should I wear when handling Benzyl azide?+
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 Benzyl azide be stored?+
Store Benzyl azide (CAS 622-79-7) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials. Use a flammable-liquid cabinet and keep away from oxidizers and heat.
Is Benzyl azide dangerous for the environment?+
No specific environmental pictogram (GHS09) is listed in our records for Benzyl azide, 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 Benzyl azide?+
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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