4-(Dimethylamino)benzaldehyde

CAS 100-10-7(CH3)2NC6H4CHOChemical Synthesis

4-(Dimethylamino)benzaldehyde (CAS: 100-10-7), with the linear formula (CH₃)₂NC₆H₄CHO and a molecular weight of 149.19 g/mol, is an organic compound valuable as an analytical reagent and chemical intermediate. It is known for forming coloured condensation products with pyrroles and primary amines. This chemical is supplied by Tech Serve Solutions for laboratory and synthesis applications.

IUPAC: Ehrlich’s reagent

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4-(Dimethylamino)benzaldehyde ((CH3)2NC6H4CHO) — chemical structure, CAS 100-10-7; Chemistry, fine chemical supplied by Tech Serve Solutions

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01 /Applications

Analytical Reagent

Used to form coloured condensation products, such as Schiff bases, with primary amines and pyrroles. This reaction is characteristic and can be used for qualitative or quantitative analysis.

Organic Synthesis

Serves as a building block in organic synthesis, enabling the introduction of the 4-(dimethylamino)benzoyl moiety into various molecules. Its aldehyde functionality readily participates in condensation and addition reactions.

Ehrlich's Reagent Component

A key component in the preparation of Ehrlich's reagent, which is widely used for the detection of indoles and pyrroles. This diagnostic application is crucial in biochemical and clinical laboratories.

02 /Properties

Molecular weight	149.19
Linear formula	(CH3)2NC6H4CHO
Assay	≥99% (perchloric acid titration)
Grade	Reag. Ph. Eur.puriss. p.a.
Refractive index	n20/D 1.417
Concentration	10 g/L in isopropanol
Loss on drying	≤0.5% loss on drying
Melting point	72-75 °C(lit.)73-75 °C
Storage temperature	2-8°C
Application	Forms colored condensation products (Schiff bases) with pyrroles1 and primary amines.2

03 /Safety & handling

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking
P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filterZn: ≤5 mg/kg
Flash point	164 °C / 327.2 °F
Water hazard class (WGK, DE)	1
Cation traces	Ca: ≤10 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤50 mg/kgK: ≤50 mg/kgMg: ≤5 mg/kgMn: ≤5 mg/kgNa: ≤50 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgZn: ≤5 mg/kg
Ignition residue	≤0.1% (as SO4)

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

100-10-7

MDL number

MFCD00003381

Beilstein registry

606802

05 /Additional specifications

Shelf Life	(limited shelf life, expiry date on the label)

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is 4-(Dimethylamino)benzaldehyde used for?

4-(Dimethylamino)benzaldehyde is primarily used as an analytical reagent for detecting pyrroles and primary amines, forming coloured condensation products. It also serves as a building block in organic synthesis and is a component of Ehrlich's reagent.

What is the CAS number and chemical formula for 4-(Dimethylamino)benzaldehyde?

The CAS number is 100-10-7, and the linear chemical formula is (CH₃)₂NC₆H₄CHO.

What grade and purity does Tech Serve Solutions supply for 4-(Dimethylamino)benzaldehyde?

Tech Serve Solutions supplies 4-(Dimethylamino)benzaldehyde with an assay of ≥99% by perchloric acid titration, meeting the Reag. Ph. Eur. and puriss. p.a. grade specifications. TSS does not represent this chemical as USP, BP, or EP grade unless explicitly stated in the product data.

How should 4-(Dimethylamino)benzaldehyde be handled and stored?

Handle 4-(Dimethylamino)benzaldehyde with appropriate personal protective equipment, including eyeshields and gloves, and use a P1 (EN143) respirator filter if needed. Store at 2-8°C to maintain its quality, considering its limited shelf life.

Is 4-(Dimethylamino)benzaldehyde shipped internationally by TSS?

Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-(Dimethylamino)benzaldehyde, and can facilitate international shipments.