7-Hydroxycitronellal
7-Hydroxycitronellal (CAS: 107-75-5) is an organic compound with the molecular formula C10H20O2. This aldehyde is a key component in fragrance formulations, known for its floral scent. It also serves as a valuable building block in chemical synthesis. Tech Serve Solutions supplies this chemical, suitable for various research and analytical applications.
- IUPAC
- 7-Hydroxy-3,7-dimethyloctanal,Citronellal hydrate
- Synonyms
- 7-Hydroxy-3,7-dimethyloctanal, Citronellal hydrate

Fragrance Ingredient
7-Hydroxycitronellal is widely utilised in perfumery for its pleasant floral odour, contributing to the scent profiles of numerous consumer products. Its characteristic aroma makes it a staple in fragrance creation.
Contact Sensitization Studies
This compound is employed in research to identify potential allergens within cosmetic preparations. It aids in understanding and evaluating the skin sensitising properties of various substances.
Analytical Standard
Utilised as a reference standard in analytical chemistry, 7-Hydroxycitronellal ensures accuracy and reliability in experimental procedures and quality control processes.
Organic Synthesis Intermediate
As an aldehyde and an organic building block, it serves as a precursor or intermediate in the synthesis of more complex organic molecules. Its functional groups allow for various chemical transformations.
| Molecular weight | 172.26 |
|---|---|
| Empirical formula | C10H20O2 |
| Assay | ≥95.0% (GC) |
| Grade | for molecular biology |
| Form | powder |
| Density | 0.92 g/mL at 20 °C(lit.) |
| Storage temperature | room temp |
| Application | Suitable for • contact sensitization studies to identify allergens present in cosmetic preparations• elucidation of molecular pathways related to allergic reactions• analytical standard |

Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 38-41-43 |
| Safety statements (S) | 26-36/37 |
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 7-Hydroxycitronellal used for?
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7-Hydroxycitronellal is used in fragrances, for contact sensitization studies to identify allergens, as an analytical standard, and as an intermediate in organic synthesis.
What is the CAS number and formula for 7-Hydroxycitronellal?
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The CAS number is 107-75-5 and the molecular formula is C10H20O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 7-Hydroxycitronellal with an assay of ≥95.0% (GC). The grade is suitable for molecular biology and general laboratory use; it is not supplied as USP, BP, or EP grade.
How should 7-Hydroxycitronellal be handled safely?
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7-Hydroxycitronellal is a skin and eye irritant and a potential skin sensitiser. Handle with care, wearing appropriate personal protective equipment including gloves and eye protection. Avoid inhalation and skin contact.
How is 7-Hydroxycitronellal packed, shipped, and exported?
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Tech Serve Solutions packs and ships 7-Hydroxycitronellal according to international regulations for chemical transport, ensuring safe delivery globally. We are experienced exporters of fine chemicals.
How can I request a quote or sample of 7-Hydroxycitronellal?
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To request a quote or sample of 7-Hydroxycitronellal, please contact our sales team via the website or by telephone. Please specify your required quantity and destination.
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