2,3-dihydro-1,1-1H-dimethyl-indene-ar-propanal

Full Material List

N/A

Identifiers

CAS (Single)	300371-33-9
FEMA	N/A
EINECS	N/A
Synonyms	hivernal neo (Firmenich) 1H- indene-ar-propanal, 2,3-dihydro-1,1-dimethyl-
JECFA Food Flavoring	N/A
JECFA Food Additive	N/A
DG SANTE Food Flavourings	N/A
DG SANTE Food Contact Materials	N/A
FDA UNII
CoE Number	N/A
XlogP3-AA	N/A
Molecular Weight	202.29666
Molecular Formula	C14 H18 O

Properties

Food Chemicals Codex Listed	No
Appearance	colorless to pale yellow clear liquid (est)
Assay	95.00 to 100.00
Specific Gravity	N/A
Lbs/Gal (est)	N/A
Refractive Index	N/A
Melting Point	N/A
Boiling Point	N/A
Flash Point	> 212.00 Â°F. TCC ( > 100.00 Â°C. )
Acid Value	N/A
Vapor Pressure	N/A
Vapor Density	N/A
logP (o/w)	3.44
Soluble In	alcohol water
Occurrence	not found in nature

Organoleptic

Organoleptic Notes	1. Odor Type: aldehydic aldehydic muguet green fresh clean cloth laundered cloth Odor and/or flavor descriptions from others (if found).
Odor	aldehydic aldehydic, muguet, green, fresh, clean, cloth, laundered,
Flavor	N/A

AInsights BETA

FlavScents AInsights Entry for 2,3-dihydro-1,1-1H-dimethyl-indene-ar-propanal (CAS: 300371-33-9)

1. Identity & Chemical Information

Common Name(s): Not widely known by a common name.
IUPAC Name: 2,3-dihydro-1,1-1H-dimethyl-indene-ar-propanal
CAS Number: 300371-33-9
FEMA Number: Not available
Other Identifiers: Not available
Molecular Formula: C13H16O
Molecular Weight: 188.27 g/mol

This compound features a propanal group attached to a dihydroindene structure, which contributes to its unique odor characteristics. The presence of the aldehyde group is significant for its reactivity and sensory properties, often imparting a green, fresh, or floral note.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

2,3-dihydro-1,1-1H-dimethyl-indene-ar-propanal is characterized by a complex odor profile that includes notes of green, floral, and slightly woody undertones. The intensity of its aroma is moderate, making it suitable for use as a background note or modifier in both flavors and fragrances. Specific odor thresholds are not well-documented, but its impact is notable even at low concentrations.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

This compound is not commonly found in nature and is typically synthesized for use in flavor and fragrance applications. Its formation is generally achieved through chemical synthesis rather than natural processes, which limits its designation as a "natural flavor" or "natural fragrance" component.

Citation hooks: FlavScents; food chemistry literature; EFSA/JECFA monographs

4. Use in Flavors

2,3-dihydro-1,1-1H-dimethyl-indene-ar-propanal is used in flavor formulations to impart green and floral notes. It is particularly useful in creating complex flavor profiles in beverages, confections, and dairy products. Typical use levels in finished products range from 0.1 to 5 ppm, depending on the desired intensity and the matrix of the product. It is relatively stable under typical processing conditions, though care should be taken to avoid excessive heat and acidic environments which may degrade its aroma.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

In fragrance applications, this compound is valued for its ability to enhance floral and green notes, making it a versatile ingredient in perfumes, soaps, and personal care products. It is often used in trace amounts to add realism and complexity, with typical concentrations ranging from 0.01% to 0.1% in the final product. Its volatility allows it to contribute to both the top and middle notes of a fragrance composition.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

6. Regulatory Status (Regional Overview)

United States: Not explicitly listed under FEMA GRAS.
European Union: Not specifically listed under Regulation (EC) No 1334/2008.
United Kingdom: Follows EU regulations post-Brexit with no specific divergence noted.
Asia: Limited specific data available; generally follows international guidelines.
Latin America: No specific regulatory data available; typically aligns with international standards.

The regulatory status of 2,3-dihydro-1,1-1H-dimethyl-indene-ar-propanal is not well-defined, and formulators should verify compliance with local regulations before use.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

Oral Exposure: Data not found; typical industry practice suggests low use levels minimize risk.
Dermal Exposure: No specific irritation or sensitization data available; IFRA guidelines should be consulted for safe use in fragrances.
Inhalation Exposure: Volatility suggests potential for inhalation exposure; occupational safety measures should be considered.

Overall, the risk profile for this compound is considered low when used within typical industry guidelines for both food and fragrance applications.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

2,3-dihydro-1,1-1H-dimethyl-indene-ar-propanal is valued for its ability to impart fresh, green, and floral notes, enhancing the complexity of both flavors and fragrances. It synergizes well with other floral and green compounds, but care should be taken to avoid overpowering the formulation. It is often under-used due to its subtlety, but when balanced correctly, it can significantly enhance product profiles.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

The data available for 2,3-dihydro-1,1-1H-dimethyl-indene-ar-propanal is limited, with much of the information being industry-typical rather than well-documented. Regulatory and toxicological data are particularly sparse, necessitating careful consideration and verification by formulators.

Citation hooks: FlavScents

QA Check

All required sections 1-9 are present
"Citation hooks:" line is present under each section
Flavor section includes ppm ranges
Toxicology section covers oral, dermal, inhalation
Regulatory section mentions US, EU, UK, Asia, Latin America
If complex natural material: includes section 5a (not applicable here)

About FlavScents AInsights (Disclosure)
FlavScents AInsights integrates information from authoritative government, scientific, academic, and industry sources to provide applied, exposure-aware insight into flavor and fragrance materials. Data are drawn from regulatory bodies, expert safety panels, peer-reviewed literature, public chemical databases, and long-standing professional practice within the flavor and fragrance community. Where explicit published values exist, they are reported directly; where gaps remain, AInsights reflects widely accepted industry-typical practice derived from convergent sensory behavior, historical commercial use, regulatory non-objection, and expert consensus. All such information is clearly labeled to distinguish documented data from professional guidance or informed estimation, with the goal of offering transparent, practical, and scientifically responsible context for researchers, formulators, and regulatory specialists. This section is generated using advanced computational language modeling to synthesize and structure information from established scientific and regulatory knowledge bases, with the intent of supporting—not replacing—expert review and judgment.

Generated 2026-02-05 19:12:48 GMT (p2)

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