Benzaldehyde dimethyl acetal
Benzaldehyde dimethyl acetal (CAS: 1125-88-8, Formula: C6H5CH(OCH3)2) is a chemical compound with a molecular weight of 152.19 g/mol. It is an organic compound belonging to the acetal class, often utilised as a versatile building block in organic synthesis. Its properties lend themselves to various chemical transformations and as a protected form of benzaldehyde in complex reaction pathways.
- IUPAC
- α,α-Dimethoxytoluene
- Synonyms
- α,α-Dimethoxytoluene

Organic Synthesis Intermediate
Benzaldehyde dimethyl acetal serves as a valuable intermediate in the synthesis of more complex organic molecules. It functions as a protected form of benzaldehyde, allowing for selective reactions elsewhere in a molecule before deprotection.
Building Block for Specialty Chemicals
This compound is employed as a fundamental building block in the preparation of fine chemicals and pharmaceutical intermediates. Its structure facilitates incorporation into diverse chemical frameworks.
Reagent in Chemical Research
Researchers utilise Benzaldehyde dimethyl acetal in laboratory settings for developing novel synthetic methodologies and exploring new chemical entities due to its defined reactivity profile.
| Molecular weight | 152.19 |
|---|---|
| Linear formula | C6H5CH(OCH3)2 |
| Assay | 99% |
| Boiling point | 87-89 °C/18 mmHg(lit.) |
| Density | 1.014 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.493(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 69 °C / 156.2 °F |
| Transport (UN / ADR) | UN 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 23-24/25 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is Benzaldehyde dimethyl acetal used for?
+
Benzaldehyde dimethyl acetal is primarily used as an intermediate in organic synthesis and as a building block for specialty chemicals and pharmaceutical intermediates. It also finds application as a reagent in chemical research.
What is the CAS number and formula for Benzaldehyde dimethyl acetal?
+
The CAS number for Benzaldehyde dimethyl acetal is 1125-88-8, and its linear formula is C6H5CH(OCH3)2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Benzaldehyde dimethyl acetal with an assay of 99%. This product is supplied for research and industrial purposes and is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should Benzaldehyde dimethyl acetal be handled safely?
+
Benzaldehyde dimethyl acetal is classified as harmful if swallowed, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, should be used. Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing.
How is Benzaldehyde dimethyl acetal shipped and exported?
+
Benzaldehyde dimethyl acetal is shipped according to relevant transport regulations, including UN 1993, PGIII. Tech Serve Solutions is experienced in exporting chemicals globally.
How can I request a sample or quote for Benzaldehyde dimethyl acetal?
+
To request a sample or quote, please contact our sales team through the website or by phone, providing your specific requirements.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis