Machine Rulers
Megabass I-Slide 265R
| You can access the AAA Quality OTV value immediately after checkout and registration.
Availability:
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Are you looking for an OTV?
- Search for the name or CAS number of your molecule.
- Check availability and quality of OTV values in the database.
- If the OTV value is available at the quality you require, place an order and you will receive the OTV PDF download immediately:
SENSENET Odour Threshold Shop has hundreds of standardized and reproducible OTVs available for immediate download! In case that a desired compound OTV is not available you can order it!
The OTVs are classified according to their quality:
AAA Quality
Measured according to European standard EN13725:V2
- Express service, result within 10 working days. You can use the value exclusively or decide to donate it for publication on the site. You can show sponsorship with your logo.
Measured according to European standard EN13725:V2
Price : 2 000€
- Economy service, result within 8 weeks delivery. Order measurement of an AAA quality OTV value by Sensenet, for your use only (not for publication).
Measured according to European standard EN13725:V2
Price: 750€
If the AAA value is available you can order the datasheet of an AAA quality OTV and download it imediatly.
- Immediate download access after payment confirmed. For your use only (not for publication), available for download.
Price: 350€
AA Quality
Measured according to European standard EN13725:2026
- Immediate download access after payment confirmed. For your use only (not for publication), available for download.
Price: 150€
Legacy Quality
It is highly recommended to use traceable and robust OTV values, a minimum quality of AA and preferably AAA.
- A Literature value compared to EN13725 outcomes for n-butanol and at least five additional odorants.
- Immediate download access after payment confirmed. For your use only (not for publication), available for download.
FIRST ORDER 5 free downloads then 20€ per download
- B Literature value compared to the EROM value for n-butanol according to EN13725
- Immediate download access after payment confirmed. For your use only (not for publication), available for download.
FIRST ORDER 5 free downloads then 15€ per download
- C Legacy literature value without any traceability to standardized units.
- Immediate download access after payment confirmed. For your use only (not for publication), available for download.
FIRST ORDER5 free downloads then 10€ per download
5 FREE OTV´s
For your first order!
5 FREE (A, B, C Quality) Legacy OTV compounds for your first order!
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Search for your desired A, B, C Quality compound OTV
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Add them to your cart at A, B, C Quality Value
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Your discount will be automatically applied and you can download them immediately
What is the process to get a new value?
If you are looking for a value that is not available in our database, or if you want a value in AAA quality, ask us!
Sensenet determines the odour thresholds of all compounds according to a new methodology developed by Sensenet founder Ton Van Harreveld who is the convenor of the technical committee TC264/WG2 Odours, working on the revision of the EN13725. This revision should come into force in the coming months and should integrate the detail procedure for establishing a robust OTV by using a larger panel and generating data by direct comparison with the olfactory referent (n-butanol):
1 – Sampling
Sampling is carried out with a device called a LiGaVa, which allows any liquid to be vaporized in the gas phase.
Time, volume stream, temperature and amount of liquid being known, the concentration of the compound in the gas phase is perfectly controlled: it is a highly standardised odour sampling system
2 – Olfactometric analyses
The analysis by dynamic olfactometry is based on the determination of the dilution factor required to achieve the detection of an odorous sample by a panel of human subjects.
For the determination of the odour threshold of a compound, the measurement is based on the direct comparison of individual threshold values (ITVs) of the primary reference odorant n-butanol with the ITVs of the odorant tested.
A dataset of 128 ITVs data pairs is collected using 16 selected panel members, each providing 8 values.
3 – Calculation and uncertainties
The OTV of the tested odorant is finally calculated from the proportion of the molar concentrations for n-butanol and the odorant tested at the detection threshold. Calculations and uncertainties associated with the value obtained are determined according to the new version of the EN13725 standard.
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What can you do with the OTV?
INGREDIENTS
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Reduce the overpowering smell of an ingredient
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Substitute an ingredient
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Compare the sensory quality of ingredients
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Recommend the concentration at which an ingredient should be used to be neutral in a base formula or, on the contrary, well perceived
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Have useful information for setting up ingredient ID card
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Determine an endpoint for Health and Safety release
MIXTURE
(Base or composition)
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Optimize product formulation
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Recommend the concentration at which a base formula should be used to be neutral in a product
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Recommend the concentration at which a perfumed composition should be used well perceived in a product
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Have useful information for setting up base or composition ID card
Formula
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Determination of the use level value of a new perfumery ingredient depending on its odour threshold value
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Determination of odour thresholds of chemicals in cosmetic formulations to define the concentration of the compound to be active but not overpowering a formula
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To know the olfactory characteristics of odorous molecules e.g. odour nuisance or off-note issues, for automotive or building sectors for instance
OTV Values
Recently added new compounds
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Megabass Great Hunting GH70 Flatside
| You can access the AAA Quality OTV value immediately after checkout and registration.
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Styling
Megabass Grenade Squarebill (Out of Box)
| You can access the AAA Quality OTV value immediately after checkout and registration.
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Men’s Jewellery
Megabass Jamaica Boa Jr. Super Metal Buzzbait 3/8oz
| You can access the AAA Quality OTV value immediately after checkout and registration.
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