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Benzaldehyde
Benzaldehyde (Product Code: SCL-779/134) is the simplest aromatic aldehyde, an analytical reagent liquid used for aldehyde functional-group tests and organic preparations in senior secondary and college chemistry laboratories. Recognisable by its bitter-almond smell, it lets teachers show how an aldehyde on a benzene ring behaves differently from aliphatic aldehydes; it comes in a 500 ml bottle with an MSDS. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, a lab chemicals supplier for schools and colleges.
Specifications
| Parameter | Detail |
|---|---|
| Chemical type | Aromatic aldehyde |
| Pack size | 500 ml |
| Grade | Analytical reagent |
| Safety documentation | Supplied with MSDS |
| Shelf life | Shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted. |
| Product code | SCL-779/134 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Benzaldehyde Used For?
A few drops are enough for each test. Warmed with Tollens' reagent in a water bath, benzaldehyde deposits a silver mirror; with Brady's DNP reagent it gives an orange precipitate; and with Schiff's reagent it turns pink. Fehling and Benedict tests, by contrast, are generally negative for aromatic aldehydes, which gives students a clear way to tell benzaldehyde apart from aliphatic aldehydes. In the Cannizzaro reaction, shaking it with concentrated alkali produces benzyl alcohol and a benzoate salt, because the molecule has no hydrogen next to the aldehyde group.
Benzaldehyde slowly oxidises in air to benzoic acid, which can appear as white crystals around the cap. Keep the bottle tightly closed, out of light and in a cool place, and pour only what the class needs. Its vapour is harmful in quantity, so dispense it in a fume cupboard or, in school labs without one, near an open window with good airflow.
Supplier
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, Ambala, Haryana, which supplies organic and inorganic reagents to education and research customers in India and international markets. Organic liquids such as benzaldehyde are sourced for teaching laboratories and sent with their MSDS. Visit the company profile to learn more.
Related Chemistry Lab Products
An aldehyde identification practical typically draws on these items:
- 2,4-DNP — confirms the carbonyl group with a coloured precipitate.
- Silver Nitrate — used to prepare Tollens' reagent for the silver mirror.
- Fehling A Solution — shows the contrasting result of aromatic and aliphatic aldehydes.
- Acetone — a ketone to compare against the aldehyde.
- Water Bath — gentle, flame-free warming for the silver mirror test.
Find more organic reagents in the Chemistry Lab category.
Frequently Asked Questions
Who supplies Benzaldehyde SCL-779/134?
Benzaldehyde (SCL-779/134) is supplied by Jain Scientific Equipments Pvt Ltd, trading as ScienceLab, Ambala, Haryana, India. The company sources this aromatic aldehyde for school and college organic practicals and dispatches each 500 ml bottle with an MSDS to buyers in India and international markets.
What volume and grade of benzaldehyde is supplied?
Benzaldehyde is supplied in a 500 ml bottle listed as analytical reagent grade, with an MSDS. Because each functional-group test needs only a few drops, one bottle serves many student tests; larger quantities are mainly needed for preparative work such as the Cannizzaro reaction.
Why are there white crystals near the benzaldehyde cap?
The white crystals are usually benzoic acid, formed as benzaldehyde reacts slowly with air. Closing the bottle promptly after each use, storing it away from light and keeping it cool all slow this oxidation and keep the liquid suitable for tests.
Does benzaldehyde give a positive Fehling test?
Generally not. Benzaldehyde, like other aromatic aldehydes, does not usually reduce Fehling solution, so use Tollens' reagent or Brady's DNP reagent to show its aldehyde group. The contrast with aliphatic aldehydes is itself a useful teaching point in identification practicals.
Is it safe to smell benzaldehyde?
Do not sniff benzaldehyde from the bottle. If the teacher asks for the smell to be noted, waft the vapour gently towards you from a test tube containing a few drops, and avoid breathing it in quantity or in a poorly ventilated room.
What is the shelf life of Benzaldehyde?
Shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted. Benzaldehyde oxidises in air, so a tightly closed bottle kept cool and dark stays in better condition than one opened often.
Can benzaldehyde be shipped for export orders?
Export shipping arrangements for Benzaldehyde, an organic liquid, depend on the destination and quantity. Send those details through our contact page, and we will confirm the available options before you place the order.
Request a Quote
Request a quotation through the contact page, or add Benzaldehyde (SCL-779/134) to the enquiry cart with the other reagents for your organic identification practicals.
Last updated: 24 September 2026
